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www.sii-ic.com ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR © Seiko Instruments Inc., 2006-2015 Rev.3.2_00 Seiko Instruments Inc. 1 The S-1206 Series is a positive voltage regul ator with ultra low current consumpt ion, low dropout voltage, high-accuracy output voltage, and 250 mA output current developed based on CMOS technology. The built-in low-on-resistance transistor realizes low dropout voltage and a large out put current. A built-in overcurrent protection circuit prevents the load current from exceeding the current capacity of the output transistor. Three packages, SOT-23-3, SOT-89-3, and SNT-6A(H) are available. Compared with voltage regulators using a conventional CMOS technology, more ty pes of capacitors, including small I/O capacitors, can be used with the S-1206 Series. The S-1206 Series features ul tra low current consumption and comes in a small package, making them most suitable for portable equipment. Features
- Output voltage: 1.2 V to 5. 2 V, selectable in 0.05 V step
- Input voltage: 1.7 V to 6.5 V
- Output voltage accuracy: ±1.0% (1.2 V to 1.45 V output product: ±15 mV)
- Dropout voltage: 150 mV typ. (3.0 V output product, I OUT = 100 mA)
- Current consumption: During operation: 1.0 μA typ., 1.5 μA max.
- Output current: Possible to output 250 mA (3.0 V output product, V IN ≥ VOUT(S) + 1.0 V)*1
- Input and output capacitors: A ceramic capacitor of 0.1 μF or more can be used.
- Built-in overcurrent protection circuit: Limits overcurrent of output transistor.
- Operation temperature range: Ta = −40°C to +85°C
- Lead-free, Sn 100%, halogen-free*2 *1. Attention should be paid to the power dissipation of the package when the output current is large. *2. Refer to “ Product Name Structure” for details. Applications
- Constant-voltage power supply for battery-powered device
- Constant-voltage power supply for cellular phone
- Constant-voltage power supply for portable equipment Packages
- SOT-23-3
- SOT-89-3
- SNT-6A(H)
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1206 Series Rev.3.2_00 Seiko Instruments Inc. 2 Block Diagram VIN VSS VOUT Reference voltage circuit Overcurrent protection circuit *1. Parasitic diode Figure 1
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 3 Product Name Structure The output voltage value and package types fo r the S-1206 Series can be selected at the user’s request. Refer to “1. Product Name ” regarding the content s of product name, “ 2. Packages ” regarding the package drawings and “3. Product Name List” regarding details of the product name. 1. Product Name 1. 1 SOT-23-3, SOT-89-3 S-1206 B xx - xxxx x Environmental code U : Lead-free (Sn 100%), halogen-free G : Lead-free (for details, pl ease contact our sales office) Package name (abbreviation) and packing specifications M3T1 : SOT-23-3, Tape U3T1 : SOT-89-3, Tape Output voltage value 12 to 52 (e.g. When output voltage is 1.2 V, it is expressed as 12.) *1. Refer to the tape drawing. 1. 2 SNT-6A(H) S-1206 B xx - I6T2 U Environmental code U : Lead-free (Sn 100%), halogen-free Package name (abbreviation) and packing specifications *1 I6T2 : SNT-6A(H), Tape Output voltage value 12 to 52 (e.g. When output voltage is 1.2 V, it is expressed as 12.) *1. Refer to the tape drawing. 2. Packages Package Name Drawing Code Package Tape Reel Land SOT-23-3 MP003-C-P-SD MP003-C-C-SD MP003-Z-R-SD − SOT-89-3 UP003-A-P-SD UP003-A-C-SD UP003-A-R-SD − SNT-6A(H) PI006-A-P-SD PI006-A-C-SD PI006-A-R-SD PI006-A-L-SD
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1206 Series Rev.3.2_00 Seiko Instruments Inc. 4 3. Product Name List Table 1 Output Voltage SOT-23-3 SOT-89-3 SNT-6A(H)
1.2 V ±15 mV S-1206B12-M3T1x S-1206B12-U3T1x S-1206B12-I6T2U
1.3 V ±15 mV S-1206B13-M3T1x S-1206B13-U3T1x S-1206B13-I6T2U
1.4 V ±15 mV S-1206B14-M3T1x S-1206B14-U3T1x S-1206B14-I6T2U
1.5 V ±1.0% S-1206B15-M3T1x S-1206B 15-U3T1x S-1206B15-I6T2U 1.6 V ±1.0% S-1206B16-M3T1x S-1206B 16-U3T1x S-1206B16-I6T2U 1.7 V ±1.0% S-1206B17-M3T1x S-1206B 17-U3T1x S-1206B17-I6T2U 1.8 V ±1.0% S-1206B18-M3T1x S-1206B 18-U3T1x S-1206B18-I6T2U 1.85 V ±1.0% S-1206B1J-M3T1x S-1206B1J -U3T1x S-1206B1J-I6T2U 1.9 V ±1.0% S-1206B19-M3T1x S-1206B 19-U3T1x S-1206B19-I6T2U 2.0 V ±1.0% S-1206B20-M3T1x S-1206B 20-U3T1x S-1206B20-I6T2U 2.1 V ±1.0% S-1206B21-M3T1x S-1206B 21-U3T1x S-1206B21-I6T2U 2.2 V ±1.0% S-1206B22-M3T1x S-1206B 22-U3T1x S-1206B22-I6T2U 2.3 V ±1.0% S-1206B23-M3T1x S-1206B 23-U3T1x S-1206B23-I6T2U 2.4 V ±1.0% S-1206B24-M3T1x S-1206B 24-U3T1x S-1206B24-I6T2U 2.5 V ±1.0% S-1206B25-M3T1x S-1206B 25-U3T1x S-1206B25-I6T2U 2.6 V ±1.0% S-1206B26-M3T1x S-1206B 26-U3T1x S-1206B26-I6T2U 2.7 V ±1.0% S-1206B27-M3T1x S-1206B 27-U3T1x S-1206B27-I6T2U 2.8 V ±1.0% S-1206B28-M3T1x S-1206B 28-U3T1x S-1206B28-I6T2U 2.85 V ±1.0% S-1206B2J-M3T1x S-1206B2J -U3T1x S-1206B2J-I6T2U 2.9 V ±1.0% S-1206B29-M3T1x S-1206B 29-U3T1x S-1206B29-I6T2U 3.0 V ±1.0% S-1206B30-M3T1x S-1206B 30-U3T1x S-1206B30-I6T2U 3.1 V ±1.0% S-1206B31-M3T1x S-1206B 31-U3T1x S-1206B31-I6T2U 3.2 V ±1.0% S-1206B32-M3T1x S-1206B 32-U3T1x S-1206B32-I6T2U 3.3 V ±1.0% S-1206B33-M3T1x S-1206B 33-U3T1x S-1206B33-I6T2U 3.4 V ±1.0% S-1206B34-M3T1x S-1206B 34-U3T1x S-1206B34-I6T2U 3.5 V ±1.0% S-1206B35-M3T1x S-1206B 35-U3T1x S-1206B35-I6T2U 3.6 V ±1.0% S-1206B36-M3T1x S-1206B 36-U3T1x S-1206B36-I6T2U 3.7 V ±1.0% S-1206B37-M3T1x S-1206B 37-U3T1x S-1206B37-I6T2U 3.8 V ±1.0% S-1206B38-M3T1x S-1206B 38-U3T1x S-1206B38-I6T2U 3.9 V ±1.0% S-1206B39-M3T1x S-1206B 39-U3T1x S-1206B39-I6T2U 4.0 V ±1.0% S-1206B40-M3T1x S-1206B 40-U3T1x S-1206B40-I6T2U 4.1 V ±1.0% S-1206B41-M3T1x S-1206B 41-U3T1x S-1206B41-I6T2U 4.2 V ±1.0% S-1206B42-M3T1x S-1206B 42-U3T1x S-1206B42-I6T2U 4.3 V ±1.0% S-1206B43-M3T1x S-1206B 43-U3T1x S-1206B43-I6T2U 4.4 V ±1.0% S-1206B44-M3T1x S-1206B 44-U3T1x S-1206B44-I6T2U 4.5 V ±1.0% S-1206B45-M3T1x S-1206B 45-U3T1x S-1206B45-I6T2U 4.6 V ±1.0% S-1206B46-M3T1x S-1206B 46-U3T1x S-1206B46-I6T2U 4.7 V ±1.0% S-1206B47-M3T1x S-1206B 47-U3T1x S-1206B47-I6T2U 4.8 V ±1.0% S-1206B48-M3T1x S-1206B 48-U3T1x S-1206B48-I6T2U 4.9 V ±1.0% S-1206B49-M3T1x S-1206B 49-U3T1x S-1206B49-I6T2U 5.0 V ±1.0% S-1206B50-M3T1x S-1206B 50-U3T1x S-1206B50-I6T2U 5.1 V ±1.0% S-1206B51-M3T1x S-1206B 51-U3T1x S-1206B51-I6T2U 5.2 V ±1.0% S-1206B52-M3T1x S-1206B 52-U3T1x S-1206B52-I6T2U Remark 1. Please contact our sales office for products with output voltage values other than the above. 2. x: G or U 3. Please select products of environmental code = U for Sn 100%, halogen-free products.
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 5 Pin Configurations 2 3 SOT-23-3 Top view Figure 2 Table 2 Pin No. Symbol Description
1 VIN Input voltage pin
2 VSS GND pin
3 VOUT Output voltage pin
Pin No. Symbol Description
1 VSS GND pin
2 VIN Input voltage pin
SNT-6A(H) Top view 3 4 Figure 4 Table 4 Pin No. Symbol Description
1 VOUT Output voltage pin
3 VSS GND pin
4 NC*1 No connection
5 VIN Input voltage pin
6 NC*1 No connection
*1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS.
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1206 Series Rev.3.2_00 Seiko Instruments Inc. 6 Absolute Maximum Ratings Table 5 (Ta = 25°C unless otherwise specified) Item Symbol Absolute Maximum Rating Unit Input voltage V IN V SS − 0.3 to VSS + 7 V Output voltage V OUT V SS − 0.3 to VIN + 0.3 V Power dissipation SOT-23-3 PD 430*1 mW SOT-89-3 1000*1 mW SNT-6A(H) 500*1 mW Operation ambient temperature T opr −40 to +85 °C Storage temperature T stg −40 to +125 °C *1. When mounted on board [Mounted board] (1) Board size : 114.3 mm × 76.2 mm × t1.6 mm (2) Board name : JEDEC STANDARD51-7 Caution The absolute maximum ra tings are rated values exceeding whic h the product could suffer physical damage. These values must therefor e not be exceeded under any conditions. 0 50 100 150 1200 800 Power Dissipation (PD) [mW] Ambient Temperature (Ta) [°C] SOT-89-3 400 1000 600 200 SNT-6A(H) SOT-23-3 Figure 5 Power Dissipation of Package (When Mounted on Board)
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 7 Electrical Characteristics Table 6 (Ta = 25°C unless otherwise specified) Item Symbol Conditions Mi n. Typ. Max. Unit Test Circuit Output voltage*1 VOUT(E) VIN = VOUT(S) + 1.0 V, IOUT = 30 mA, 1.2 V ≤ VOUT(S) < 1.5 V VOUT(S) −15 mV VOUT(S) VOUT(S) +15 mV V 1 VIN = VOUT(S) + 1.0 V, IOUT = 30 mA,
1.5 V ≤ VOUT(S)
VOUT(S) × 0.99 VOUT(S) VOUT(S) × 1.01 V 1 Output current*2 IOUT VIN ≥ VOUT(S) + 1.0 V, 1.2 V ≤ VOUT(S) < 1.5 V 150*5 − − mA 3 VIN ≥ VOUT(S) + 1.0 V, 1.5 V ≤ VOUT(S) 250*5 − − mA 3 Dropout voltage*3 Vdrop I OUT = 100 mA 1.3 V ≤ VOUT(S) < 1.4 V − 0.50 0.73 V 1 1.4 V ≤ VOUT(S) < 1.5 V − 0.43 0.66 V 1 1.5 V ≤ VOUT(S) < 1.7 V − 0.35 0.53 V 1 1.7 V ≤ VOUT(S) < 1.9 V − 0.33 0.50 V 1 1.9 V ≤ VOUT(S) < 2.1 V − 0.26 0.43 V 1 2.1 V ≤ VOUT(S) < 3.0 V − 0.23 0.36 V 1 3.0 V ≤ VOUT(S) ≤ 5.2 V − 0.15 0.23 V 1 Line regulation OUTIN 1OUT VV V Δ VOUT(S) + 0.5 V ≤ VIN ≤ 6.5 V IOUT = 1 μA − 0.05 0.2 %/V 1 IOUT = 30 mA − 0.05 0.2 %/V 1 Load regulation ΔVOUT2 V IN = VOUT(S) + 1.0 V, 1 μA ≤ IOUT ≤ 100 mA − 20 40 mV 1 Output voltage temperature coefficient*4 OUT OUT VTa V Δ VIN = VOUT(S) + 1.0 V, IOUT = 30 mA, Current consumption during operation ISS1 VIN = VOUT(S) + 1.0 V, no load − 1.0 1.5 μA 2 Input voltage V IN − 1.7 − 6.5 V − Short-circuit current I SHORT VIN = VOUT(S) + 1.0 V, VOUT = 0 V 1.2 V ≤ VOUT < 2.3 V − 130 − mA 3 2.3 V ≤ VOUT ≤ 5.2 V − 100 − mA 3 *1. VOUT(S) : Set output voltage VOUT(E) : Actual output voltage Output voltage when fixing I OUT (= 30 mA) and inputting VOUT(S) + 1.0 V *2. The output current at which the output voltage becomes 95% of VOUT(E) after gradually increasing the output current. *3. Vdrop = VIN1 − (VOUT3 × 0.98) V OUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 100 mA. V IN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage. *4. A change in the temperature of the output voltage [mV/°C] is calculated using the following equation. ΔVOUT ΔTa []mV/°C *1 = VOUT(S) []V *2 × ΔVOUT ΔTa • VOUT []ppm/°C *3 ÷ 1000 *1. Change in temperature of output voltage *2. Set output voltage *3. Output voltage temperature coefficient *5. The output current can be at least this value. Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power dissipation of the package when the output current is large. This specification is guaranteed by design.
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 9 Standard Circuit CIN *1 CL Input Output GNDSingle GND VOUTVIN VSS *1. A capacitor for stabilizing the input. *2. A ceramic capacitor of 0.1 μF or more can be used. Figure 9 Caution The above connection diag ram and constant will not guara ntee successful operation. Perform thorough evaluation using the actual application to set the constant. Condition of Application Input capacitor (CIN): 0.1 μF or more Output capacitor (CL): 0.1 μF or more Caution Generally a series regulator may cause osc illation, depending on the selection of external parts. Confirm that no oscillation occurs in the application for which the above capacitors are used. Selection of Input and Output Capacitors (CIN, CL) The S-1206 Series requires an output capacitor between the VO UT pin and VSS pin for phase compensation. Operation is stabilized by a ceramic capac itor with an output capacitance of 0.1 μF or more in the entire temperature range. When using an OS capacitor, a tant alum capacitor, or an aluminum electr olytic capacitor, the capacitance must be 0.1 μF or more. The value of the output overshoot or undershoot transi ent response varies depending on the value of the output capacitor. The required capacitance of the input capacitor differs depending on the application. The recommended value for an application is C IN ≥ 0.1 μF, C L ≥ 0.1 μF; however, when selecting these capacitors, perform sufficient evaluation, including evaluation of temperature characteristics, on the actual device.
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1206 Series Rev.3.2_00 Seiko Instruments Inc. 10 Explanation of Terms 1. Low Dropout Voltage Regulator This voltage regulator has the low dropout voltage due to its built-in low on-resistance transistor. 2. Low Equivalent Series Resistance A capacitor whose equivalent series resistance (R ESR) is low. The S-1206 Series enables use of a low equivalent series resistance capacitor, such as a ceramic capacitor, for the output-side capacitor (CL). 3. Output Voltage (VOUT) The accuracy of the output voltage is ensured at ±1.0% or ±15 mV*2 under the specified conditions of fixed input voltage*1, fixed output current, and fixed temperature. *1. Differs depending on the product. *2. When VOUT < 1.5 V : ±15 mV, When 1.5 V ≤ VOUT : ±1.0% Caution If the above conditions ch ange, the output voltage value may vary and exceed the accuracy range of the output voltage. Refer to the “ Electrical Characteristics” and “ Characteristics (Typical Data)” for details. 4. Line Regulation Δ OUTIN OUT1 V V V Indicates the dependency of the output voltage on the input voltage. That is, the values show how much the output voltage changes due to a change in the input voltage with the output current remaining unchanged. 5. Load Regulation (ΔVOUT2) Indicates the dependency of the output voltage on the output current. That is, the values show how much the output voltage changes due to a change in the output current with the input voltage remaining unchanged. 6. Dropout Voltage (Vdrop) Indicates the difference between input voltage (V IN1) and the output voltage when; decreasing input voltage (V IN) gradually until the output voltage has dropped out to the value of 98% of output voltage (V OUT3), which is at V IN = VOUT(S) + 1.0 V. V drop = VIN1 − (VOUT3 × 0.98)
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 11 7. Output Voltage Temperature Coefficient Δ OUT OUT V Ta V The shaded area in Figure 10 is the range where V OUT varies in the operation temperature range when the output voltage temperature coefficient is ±120 ppm/°C. Example of S-1206B30 typ. product −40 +25 +0.36 mV/ °C VOUT [V] +85 Ta [ °C] VOUT(E) −0.36 mV/ °C *1. VOUT(E) is the value of the output voltage measured at Ta = +25°C. Figure 10 A change in the temperature of the output voltage [mV/°C] is calculated using the following equation. ΔVOUT ΔTa []mV/°C *1 = VOUT(S) []V *2 × ΔVOUT ΔTa • VOUT []ppm/°C *3 ÷ 1000 *1. Change in temperature of output voltage *2. Set output voltage *3. Output voltage temperature coefficient
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 13 Precautions
- Wiring patterns for the VIN pin, the VOUT pin and GND should be designed so that the impedance is low. When mounting an output capac itor between the VOUT pin and the VSS pin (C L) and a capacitor for stabilizing the input between the VIN pin and the VSS pin (C IN), the distance from the capacitors to these pins should be as short as possible.
- Note that generally the output voltage may increase when a series regulator is used at low load current (10 μA or less).
- Note that generally the output voltage may increase due to the leakage current from an output driver when a series regulator is used at high temperature.
- Generally a series regulator may cause oscillation, depending on the selecti on of external parts. The following conditions are recommended for the S-1206 Series. However, be sure to perform sufficient evaluation under the actual usage conditions for selection, including evaluat ion of temperature characteristics. Refer to “ 5. Equivalent Series Resistance vs. Output Current Characteristics Example (Ta = 25 °C)” in “ Reference Data ” for the equivalent series resistance (RESR) of the output capacitor. Input capacitor (CIN): 0.1 μF or more Output capacitor (CL): 0.1 μF or more Use an I/O capacitor with good temperat ure characteristics (conforming to the ceramic capacitor EIA X5R (JIS B) characteristics).
- The voltage regulator may oscillate when the impedance of the power supply is high and the input capacitance is small or an input capacitor is not connected.
- If the output capacitance is small, power supply's fl uctuation and the characteristics of load fluctuation become worse. Sufficiently evaluate the output voltage's fluctuation with the actual device.
- Overshoot may occur in the output voltage momentarily if the voltage is rapidly raised at power-on or when the power supply fluctuates. Sufficiently evaluate the output voltage at power-on with the actual device.
- The application conditions for the input voltage, the output voltage, and the load current should not exceed the package power dissipation.
- Do not apply an electrostatic discharge to this IC that ex ceeds the performance ratings of the built-in electrostatic protection circuit.
- In determining the output current, attention should be paid to the output current value specified in Table 6 in “ Electrical Characteristics” and footnote *5 of the table.
- SII claims no responsibility for any disput es arising out of or in connection with any infringement by products including this IC of patents owned by a third party.
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1206 Series Rev.3.2_00 Seiko Instruments Inc. 14 Characteristics (Typical Data) 1. Output Voltage vs. Output Current (Ta = 25°C) S-1206B12 S-1206B30 100 200 300 VOUT [V] IOUT [mA] 1.4 0.4 0.8 0.6 1.0 1.2 400 0.2 VIN = 2.2 V 500 600 700 3.2 V 6.5 V 1.5 V 1.7 V 100 200 300 VOUT [V] IOUT [mA] 3.5 1.0 2.0 1.5 2.5 3.0 400 0.5 VIN = 3.5 V 500 600 700 4.0 V 5.0 V 3.3 V 6.5 V S-1206B50 100 200 300 VOUT [V] IOUT [mA] 400 VIN = 5.5 V 500 600 700 6.0 V 6.5 V
5.3 V Remark In determining the output current, attention should
be paid to the following. 1. Minimum output current value specified in Table 6 and footnote *5 in “ Electrical Characteristics” 2. Power dissipation of package 2. Output Voltage vs. Input Voltage (Ta = 25°C) S-1206B12 S-1206B30 1.5 2.0 2.5 VOUT [V] VIN [V] 1.0 1.25 1.00 1.10 1.05 1.15 1.20 3.0 3.5 IOUT = 1 A 10 A 1 mA 50 mA 30 mA 100 mA 3.0 3.5 4.0 VOUT [V] VIN [V] 2.5 3.1 2.6 2.8 2.7 2.9 3.0 4.5 5.0 IOUT = 1 A 10 A 1 mA 50 mA 30 mA 100 mA 2.5 S-1206B50 5.0 5.5 6.0 VOUT [V] VIN [V] 4.5 5.1 4.6 4.8 4.7 4.9 5.0 6.5 4.5 IOUT = 1 A 10 A 1 mA 50 mA 30 mA 100 mA
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 15 3. Dropout Voltage vs. Output Current S-1206B12 S-1206B30 50 100 150 Vdrop [V] IOUT [mA] 0.80 0.30 0.50 0.40 0.60 0.70 200 0.20 0.10 40C 25C Ta = 85C 50 100 150 Vdrop [V] IOUT [mA] 0.25 0.50 300 0.20 0.15 0.10 0.05 40C 25C Ta = 85C 200 250 0.30 0.35 0.40 0.45 S-1206B50 50 100 150 Vdrop [V] IOUT [mA] 0.20 0.35 300 0.15 0.10 0.05 40C 25C Ta = 85C 0.25 0.30 250200 4. Dropout Voltage vs. Set Output Voltage 123 Vdrop [V] VOUT(S) [V] 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 4 6 IOUT = 250 mA150 mA 100 mA 50 mA 30 mA 10 mA
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1206 Series Rev.3.2_00 Seiko Instruments Inc. 16 5. Output Voltage vs. Ambient Temperature S-1206B12 S-1206B30 25 02 5 VOUT [V] Ta [C] 40 1.26 1.28 1.10 1.24 1.22 1.20 1.18 1.16 1.14 1.12 50 85 1.30 25 0 25 VOUT [V] Ta [C] 40 3.06 3.08 2.90 3.04 3.02 3.00 2.98 2.96 2.94 2.92 50 85 3.10 S-1206B50 25 0 25 VOUT [V] Ta [C] 40 5.06 5.08 4.90 5.04 5.02 5.00 4.98 4.96 4.94 4.92 50 85 5.10 6. Current Consumption vs. Input Voltage S-1206B12 S-1206B30 135 ISS1 [A] VIN [V] 1.6 1.8 1.4 1.2 1.0 24 6 0.6 0.8 0.4 0.2 40C 25C Ta = 85C 135 ISS1 [A] VIN [V] 1.6 1.8 1.4 1.2 1.0 246 0.6 0.8 0.4 0.2 40C 25C Ta = 85C S-1206B50 135 ISS1 [A] VIN [V] 1.6 1.8 1.4 1.2 1.0 246 0.6 0.8 0.4 0.2 40C 25C Ta = 85C
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 17 7. Current Consumption vs. Ambient Temperature S-1206B12 S-1206B30 25 0 25 ISS1 [A] Ta [C] 40 75 1.4 1.2 1.0 0.8 0.6 0.4 0.2 50 85 VIN = 2.2 V 6.5 V 25 0 25 ISS1 [A] Ta [C] 40 75 1.4 1.2 1.0 0.8 0.6 0.4 0.2 50 85 VIN = 4.0 V 6.5 V S-1206B50 25 0 25 ISS1 [A] Ta [C] 40 75 1.4 1.2 1.0 0.8 0.6 0.4 0.2 50 85 VIN = 6.0 V 6.5 V
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1206 Series Rev.3.2_00 Seiko Instruments Inc. 18 Reference Data 1. Input Transient Response Characteristics (Ta = 25°C) S-1206B12 IOUT = 1 mA, tr = tf = 5.0 μs IOUT = 100 mA, tr = tf = 5.0 μs 0.2 0 0.2 VOUT [V] t [ms] 0.4 0.6 3.5 3.0 2.5 2.0 1.5 1.0 0.4 0.8 0.5 1.3 1.1 1.0 1.2 1.61.4 1.4 VIN [V] VIN VOUT CIN = CL = 0.1 F 1.2 1.5 1.6 1.7 1.8 1.0 0.5 CIN = CL = 1.0 F VOUT [V] t [ms] 3.5 3.0 2.5 2.0 1.5 1.0 0.5 1.3 1.1 1.4 VIN [V] VIN VOUT 1.2 1.5 1.6 1.7 1.8 1.0 0.5 CIN = CL = 0.1 F CIN = CL = 1.0 F S-1206B30 IOUT = 1 mA, tr = tf = 5.0 μs IOUT = 100 mA, tr = tf = 5.0 μs VOUT [V] t [ms] 6.0 5.0 4.0 3.0 2.0 1.0 2.8 3.0 VIN [V] 2.6 3.2 3.4 3.6 3.8 1.0 2.0 4.0 4.2 VIN VOUT CIN = CL = 0.1 F CIN = CL = 1.0 F VOUT [V] t [ms] 6.0 5.0 4.0 3.0 2.0 1.0 2.8 3.0 VIN [V] 2.6 3.2 3.4 3.6 3.8 1.0 2.0 4.0 4.2 VIN VOUT CIN = CL = 0.1 F CIN = CL = 1.0 F S-1206B50 IOUT = 1 mA, tr = tf = 5.0 μs IOUT = 100 mA, tr = tf = 5.0 μs VOUT [V] t [ms] 4.0 7.0 6.5 6.0 5.5 5.0 4.5 4.9 5.0 VIN [V] 4.8 5.1 5.2 5.3 5.4 3.5 3.0 5.5 5.6 VIN VOUT CIN = CL = 0.1 F CIN = CL = 1.0 F VOUT [V] t [ms] 4.0 7.0 6.5 6.0 5.5 5.0 4.5 4.9 5.0 VIN [V] 4.8 5.1 5.2 5.3 5.4 3.5 3.0 5.5 5.6 VIN VOUT CIN = CL = 0.1 F CIN = CL = 1.0 F
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 19 2. Load Transient Response Characteristics (Ta = 25°C) S-1206B12 VIN = 2.2 V, IOUT = 1 mA ↔ 40 mA VIN = 2.2 V, IOUT = 50 mA ↔ 100 mA VOUT [V] t [ms] 1.6 0.8 2.0 IOUT [mA] IOUT VOUT 1.2 2.4 2.8 0.4 CIN = CL = 0.1 F CIN = CL = 1.0 F VOUT [V] t [ms] 100 1.6 0.8 2.0 IOUT [mA] IOUT VOUT 1.2 2.4 2.8 0.4 CIN = CL = 0.1 F CIN = CL = 1.0 F S-1206B30 VIN = 4.0 V, IOUT = 1 mA ↔ 40 mA VIN = 4.0 V, IOUT = 50 mA ↔ 100 mA VOUT [V] t [ms] 3.4 2.6 3.8 IOUT [mA] IOUT VOUT 3.0 4.2 4.6 2.2 CIN = CL = 0.1 F CIN = CL = 1.0 F VOUT [V] t [ms] 3.4 2.6 3.8 IOUT VOUT 3.0 4.2 4.6 2.2 100 IOUT [mA] CIN = CL = 0.1 F CIN = CL = 1.0 F S-1206B50 VIN = 6.0 V, IOUT = 1 mA ↔ 40 mA VIN = 6.0 V, IOUT = 50 mA ↔ 100 mA VOUT [V] t [ms] 5.4 4.6 5.8 IOUT [mA] IOUT VOUT 5.0 6.2 6.6 4.2 CIN = CL = 0.1 F CIN = CL = 1.0 F VOUT [V] t [ms] 5.4 4.6 5.8 IOUT VOUT 5.0 6.2 6.6 4.2 100 IOUT [mA] CIN = CL = 0.1 F CIN = CL = 1.0 F
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1206 Series Rev.3.2_00 Seiko Instruments Inc. 20 3. Input Voltage Transient Response Characteristics (Ta = 25°C) S-1206B12 VIN = 2.2 V, IOUT = 1 mA VIN = 2.2 V, IOUT = 100 mA VOUT [V]1.0 1.5 VIN VOUT 0.5 2.0 2.5 0.5 VIN [V] t [ms] CIN = CL = 0.1 F CIN = CL = 1.0 F VOUT [V] t [ms] 1.0 1.5 VIN VOUT CIN = CL = 1.0 F CIN = CL = 0.1 F0.5 2.0 2.5 0.5 VIN [V] S-1206B30 VIN = 4.0 V, IOUT = 1 mA VIN = 4.0 V, IOUT = 100 mA VOUT [V] t [ms]
6 VIN
CIN = CL = 1.0 F CIN = CL = 0.1 F VIN [V] VOUT [V] t [ms] VOUT CIN = CL = 1.0 F CIN = CL = 0.1 F VIN [V] S-1206B50 VIN = 6.0 V, IOUT = 1 mA VIN = 6.0 V, IOUT = 100 mA VOUT [V] t [ms] VIN [V] CIN = CL = 1.0 F CIN = CL = 0.1 F VIN VOUT VOUT [V] t [ms] VIN [V] VIN VOUT CIN = CL = 1.0 F CIN = CL = 0.1 F
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 21 4. Ripple Rejection (Ta = 25°C) S-1206B12 VIN = 2.2 V, CL = 0.1 μF S-1206B30 VIN = 4.0 V, CL = 0.1 μF 100 1k 10k Ripple Rejection [dB] Frequency [Hz] 10 1M 100 100k IOUT = 30 mA 100 1k 10k Ripple Rejection [dB] Frequency [Hz] 10 1M 100 100k IOUT = 30 mA S-1206B50 VIN = 6.0 V, CL = 0.1 μF 100 1k 10k Ripple Rejection [dB] Frequency [Hz] 10 1M 100 100k IOUT = 30 mA 5. Equivalent Series Resistance vs. Output Current Characteristics Example (Ta = 25°C) CL : Murata Manufacturing Co., Ltd. GRM115R71C104K (0.1 μF) 100 0.001 250 IOUT [mA] RESR [Ω] CIN = C L = 0.1 μF Stable CIN VIN VSS CL RESR S-1206 Series
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1206 Series Rev.3.2_00 Seiko Instruments Inc. 22 Marking Specifications 1. SOT-23-3 Top view (1) (2) (3) (4) (1) to (3) : Product abbreviation (refer to Product Name vs. Product Code ) (4) : Lot number Product Name vs. Product Code Product Name Product Code Product Name Product Code S-1206B12-M3T1x S A A S-1206B32-M3T1x S A W S-1206B13-M3T1x S A B S-1206B33-M3T1x S A X S-1206B14-M3T1x S A C S-1206B34-M3T1x S A Y S-1206B15-M3T1x S A D S-1206B35-M3T1x S A Z S-1206B16-M3T1x S A E S-1206B36-M3T1x S B A S-1206B17-M3T1x S A F S-1206B37-M3T1x S B B S-1206B18-M3T1x S A G S-1206B38-M3T1x S B C S-1206B1J-M3T1x S A H S-1206B39-M3T1x S B D S-1206B19-M3T1x S A I S-1206B40-M3T1x S B E S-1206B20-M3T1x S A J S-1206B41-M3T1x S B F S-1206B21-M3T1x S A K S-1206B42-M3T1x S B G S-1206B22-M3T1x S A L S-1206B43-M3T1x S B H S-1206B23-M3T1x S A M S-1206B44-M3T1x S B I S-1206B24-M3T1x S A N S-1206B45-M3T1x S B J S-1206B25-M3T1x S A O S-1206B46-M3T1x S B K S-1206B26-M3T1x S A P S-1206B47-M3T1x S B L S-1206B27-M3T1x S A Q S-1206B48-M3T1x S B M S-1206B28-M3T1x S A R S-1206B49-M3T1x S B N S-1206B2J-M3T1x S A S S-1206B50-M3T1x S B O S-1206B29-M3T1x S A T S-1206B51-M3T1x S B P S-1206B30-M3T1x S A U S-1206B52-M3T1x S B Q S-1206B31-M3T1x S A V Remark 1. x: G or U 2. Please select products of environmental code = U for Sn 100%, halogen-free products.
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.3.2_00 S-1206 Series Seiko Instruments Inc. 23 2. SOT-89-3 Top view(1) (2) (3) (4) (5) (6) 123 (1) to (3) : Product abbreviation (refer to Product Name vs. Product Code ) (4) to (6) : Lot number Product Name vs. Product Code Product Name Product Code Product Name Product Code S-1206B12-U3T1x S A A S-1206B32-U3T1x S A W S-1206B13-U3T1x S A B S-1206B33-U3T1x S A X S-1206B14-U3T1x S A C S-1206B34-U3T1x S A Y S-1206B15-U3T1x S A D S-1206B35-U3T1x S A Z S-1206B16-U3T1x S A E S-1206B36-U3T1x S B A S-1206B17-U3T1x S A F S-1206B37-U3T1x S B B S-1206B18-U3T1x S A G S-1206B38-U3T1x S B C S-1206B1J-U3T1x S A H S-1206B39-U3T1x S B D S-1206B19-U3T1x S A I S-1206B40-U3T1x S B E S-1206B20-U3T1x S A J S-1206B41-U3T1x S B F S-1206B21-U3T1x S A K S-1206B42-U3T1x S B G S-1206B22-U3T1x S A L S-1206B43-U3T1x S B H S-1206B23-U3T1x S A M S-1206B44-U3T1x S B I S-1206B24-U3T1x S A N S-1206B45-U3T1x S B J S-1206B25-U3T1x S A O S-1206B46-U3T1x S B K S-1206B26-U3T1x S A P S-1206B47-U3T1x S B L S-1206B27-U3T1x S A Q S-1206B48-U3T1x S B M S-1206B28-U3T1x S A R S-1206B49-U3T1x S B N S-1206B2J-U3T1x S A S S-1206B50-U3T1x S B O S-1206B29-U3T1x S A T S-1206B51-U3T1x S B P S-1206B30-U3T1x S A U S-1206B52-U3T1x S B Q S-1206B31-U3T1x S A V Remark 1. x: G or U 2. Please select products of environmental code = U for Sn 100%, halogen-free products.
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1206 Series Rev.3.2_00 Seiko Instruments Inc. 24 3. SNT-6A(H) Top view 13 2 64 5 (1) (2) (3) (4) (5) (6) (1) to (3) : Product abbreviation (refer to Product Name vs. Product Code ) (4) to (6) : Lot number Product Name vs. Product Code Product Name Product Code Product Name Product Code S-1206B12-I6T2U S A A S-1206B32-I6T2U S A W S-1206B13-I6T2U S A B S-1206B33-I6T2U S A X S-1206B14-I6T2U S A C S-1206B34-I6T2U S A Y S-1206B15-I6T2U S A D S-1206B35-I6T2U S A Z S-1206B16-I6T2U S A E S-1206B36-I6T2U S B A S-1206B17-I6T2U S A F S-1206B37-I6T2U S B B S-1206B18-I6T2U S A G S-1206B38-I6T2U S B C S-1206B1J-I6T2U S A H S-1206B39-I6T2U S B D S-1206B19-I6T2U S A I S-1206B40-I6T2U S B E S-1206B20-I6T2U S A J S-1206B41-I6T2U S B F S-1206B21-I6T2U S A K S-1206B42-I6T2U S B G S-1206B22-I6T2U S A L S-1206B43-I6T2U S B H S-1206B23-I6T2U S A M S-1206B44-I6T2U S B I S-1206B24-I6T2U S A N S-1206B45-I6T2U S B J S-1206B25-I6T2U S A O S-1206B46-I6T2U S B K S-1206B26-I6T2U S A P S-1206B47-I6T2U S B L S-1206B27-I6T2U S A Q S-1206B48-I6T2U S B M S-1206B28-I6T2U S A R S-1206B49-I6T2U S B N S-1206B2J-I6T2U S A S S-1206B50-I6T2U S B O S-1206B29-I6T2U S A T S-1206B51-I6T2U S B P S-1206B30-I6T2U S A U S-1206B52-I6T2U S B Q S-1206B31-I6T2U S A V
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