TS5215CX533 TSC | Alldatasheet

Document overview

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Technical content

Features

  • Ultra Low Noise Output
  • Output Current up to 350mA
  • Low Dropout Voltage
  • Low Power Consumption
  • “Zero” Off-mode Current
  • Logic Controlled Electronic Enable
  • Internal Current Limit
  • Thermal Shutdown Protection Application
  • Cellular Telephones
  • Palmtops, Notebook Computers
  • Battery Powered Equipment
  • Consumer and Personal Electronics
  • SMPS Post Regulator and DC to DC Modules
  • High-efficiency Linear Power Suppli es
  • Portable Application

Ordering Information

Part No. Package Packing TS5215CX5xx RF SOT-25 3Kpcs / 7” Reel TS5215CY5xx RM SOT-89-5L 1Kpcs / 7” Reel TS5215CSxx RL SOP-8 2.5Kpcs / 13” Reel Note: Where xx denotes voltage option, available are 50=5.0V 33=3.3V 25=2.5V Leave blank for adjustable version. Contact factory for additional voltage options. Typical Application Circuit Adjustable Version: V OUT = 1.24 (R1+R2)/R2 (Adjustable output range up to 8V) EN (pin3) may be connected directly to VIN (pin 1) Low noise operation: CBYP =470pF, COUT >2.2uF Basic operation: CBYP =not used, COUT >2uF Pin Definition: 1. Input 2. Ground 3. Enable 4. Bypass / Adjust 5. Output Pin Definition: 1. Enable 8. Ground 2. Input 7. Ground 3. Output 6. Ground 4. Bypass / Adj 5. Ground Pin Definition: 1. Bypass / Adjust 2. Ground 3. Enable 4. Input 5. Output COUT 2.2uF CBYP 470pF on off EN VOUT VIN COUT 2.2uF on off EN VIN VOUT CBYP 470pF TS5215CX5xx TS5215CX5

Voltage Regulator with Enable 2/9 Version: B07 Absolute Maximum Rating (Note 1) Parameter Symbol Limit Unit Input Supply Voltage VIN -20~ +20 V Enable Input Voltage VCE -20~ +20 V Power Dissipation (Note 2) PD Internal limited SOT-25 220 SOT-89-5L 110 Thermal Resistance SOP-8 ӨJA 160 oC/W Operating Junction Temperature Range TJ -40 ~ +125 oC Storage Temperature Range TSTG -65 ~ +150 oC Lead Soldering Temperature (260oC) 5 S Recommend Operating Rating (Note 2) Parameter Symbol Limit Unit Input Supply Voltage VIN +2.5 ~ +16 V Enable Input Voltage VCE 0 ~ VIN V Electrical Specification (VIN =Vo+1V, Io=100uA, COUT=1uF, Vce≥2V, TJ = 25oC, unless otherwise specified.) Parameter Conditions Min Typ Max Unit Output Voltage VIN=Vo + 1V 0.98|Vo| VOUT 1.02|Vo| V Output Voltage Temp. Coefficient (Note 4) -- 40 -- ppm/ oC Line Regulation Vo+1V ≤ VIN ≤ 16V -- 0.005 0.05 % Load Regulation (Note 5) 0.1mA ≤ Io ≤ 300mA -- 0.02 0.2 % Io=100uA -- 40 48 Io=50mA -- 150 190 Io=150mA -- 220 265 Dropout Voltage (Note 6) Io=300mA -- 300 360 mV Io=100uA -- 80 125 Io=50mA -- 350 600 Io=150mA -- 1000 1500 Ground Pin Current (Note 7) Io=300mA -- 2500 5000 uA VIN <0.4V (Shutdown) -- 0.01 1 Quiescent Current VIN <0.18V (Shutdown) -- -- 5 uA Output Current Limit VOUT=0V -- 400 600 mA Power Supply Rejection Ratio At f=100Hz, Io=100uA, -- 75 -- dB Thermal Regulation (Note 8) -- 0.05 -- %/W Output Noise Io=50mA, COUT=2.2uF, -- 260 -- nV√Hz Enable Function Enable Input Logic-Low Voltage Regulation shutdown -- -- 0.4 V Enable Input Logic-Low Voltage Regulation enable 2.0 -- -- V VIL≤ 0.4V -- 0.01 -1 Enable input Current VIH≥ 2.0V -- 5 20 uA

Voltage Regulator with Enable 3/9 Version: B07 Electrical Specification (Continue) Note: 1. Exceeding the absolute maximum rating may damage the device. 2. The maximum allowable power dissipation at any Ta is Pd(max) = [TJ(MAX) - Ta] + ӨJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. 3. The device is not guaranteed to function outside its operating rating. 4, Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range. 5, Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load regulation in the load range from 1mA to 300mA (5V version) and 1mA to 120mA (VOUT <5V version). Changes in output voltage due to heating effects are covered by the thermal regulation specification. 6, Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at 1V differential. 7, Ground pin current is the regulator quiescent current plus pass transistor base current. The total current drawn from the supply is the sum of the load current plus the ground pin current. 8, Thermal regulation is defined as the change in output voltage at a time “t” after a change in power dissipation is applied, excluding load or line regulation effects. Specifications are for a 300mA load pulse at Vin=16V for t=10mS. Block Diagrams

Voltage Regulator with Enable 4/9 Version: B07

Application Information

TS5215 series feature an active -high (>2V) enable (EN) input that allows ON/OFF control of the regulator. Current drain reduces to “zero” when the device is shutdown, with only micro -amperes of leakage current. The EN is compatible with CMOS logic interfacing. EN may be directly tied to VIN and pulled up to the maximum supply voltage. Input Capacitor Requirement An input capacitor of 0.1uF or greater is recommended when the device is more than 10 ” away from the bulk AC supply capacitance or when the supply is a battery. Output Capacitor Requir ement The TS5215 series requires an output capacitor to maintain stability and improve transient response is necessary. 2.2uF minimum is recommended. Larger values improve the regulator ’s transient response. The output capacitor value may be increased with out limit. The output capacitor should have an ESR (effective series resistance) less than 5 Ω and a resonant frequency above 1MHz. Ultra low ESR capacitors can cause a low amplitude oscillation on the output and/or under damped transient response. Most of tantalum or aluminum electrolytic capacitors are adequate; film types will work. Since many aluminum electrolytic have electrolytes that freeze at about –30oC, solid tantalums are recommended for operation below –25oC. At lower values of output current, le ss output capacitance is required for output stability. The capacitor can be reduced to 0.47uF for current below 10mA or 0.33uF for currents below 1mA . Reference Bypass Capacitor Bypass is connected to the internal voltage reference. A 470pF capacitor (C BYPASS) connected from Bypass to Ground quiets this reference, providing a significant reduction in output noise. C BYPASS reduces the regulator phase margin; when using C BYPASS, output capacitors of 2.2uF or greater are generally required to maintain stabili ty. The star up speed of the TS5215 is inversely proportional to the size of the reference bypass capacitor. Applications requiring a slow ramp up of output voltage should consider larger values of C BYPASS. Likewise, if rapid turn on is necessary, consider omitting CBYPASS. If output noise is not a major concern, omitted CBYPASS and leave Bypass open. No Load Stability The TS5215 series will remain stable and in regulation with no load, unlike many other voltage regulators. This is especially important in CMOS RAM keep alive applications. Adjustable Regulator Design The adjustable regulator versions can be adjusted to a specific output voltage by using two external resistors to programming the output voltage anywhere between 1.25 and the 8V maximum operating rating of the family. Two resistors are used. Resistors can be quite large up to 470k Ω, because of the very high input impedance and low bias current of the sense comparator, the resistor values are calculated by: A capacitor from Adj ust to Ground provides greatly improved noise performance. COUT 2.2uF on off EN VIN VOUT CBYP 470pF TS5215CX5 Adjustable Version: VOUT = 1.24 (1+R2/R1) (Adjustable output range up to 8V)

Voltage Regulator with Enable 5/9 Version: B07 Application Information (Continue) Dual Supply Operation When used in dual supply systems where the regulator load is returned to a negative supply, the output voltage must be diode clamped to g round. Thermal Characteristics TS5215 series is designed to provide 300mA (5V version) of continuous current in a very small package. Maximum power dissipation can be calculated based on the output current and the voltage drop across the part. To determine the maximum power dissipation of the package, use the junction -ambient thermal resistance of the device and the following basic equation: PD(MAX) = [ TJ(MAX) – TA ] /ΘJA TJ(MAX) is the maximum junction temperature of the die(125 oC), and Ta is the ambient operating temperature. ΘJA is layout dependent, the actual power dissipation of the regulator circuit can be determined using the equation: PD = (VIN – VOUT) * IOUT + VIN * IGND Substituting Pd(max) for Pd and solving for the operating conditions that are critical to the application will give the maximum operating conditions for the regulator circuit. For example, when operating the TS5215CX33 at room temperature with a minimum footprint layout, the maximum input voltage for a set output current can be determined as follows: PD(MAX) = (125oC – 25oC) / 220oC/W PD(MAX) = 455mW The junction to ambient thermal resistance for the minimum footprint is 220 oC/W, the maximum power dissipation must not be exceeded for proper operation. Using the output voltage of 3.3V and an output current of 120mA, the maximum input voltage can be determined. From th e electrical characteristics table, the maximum ground current for 120mA output current is 2.5mA. 445mW = (VIN – 3.3V ) * 300mA + VIN * 2.5mA 445mW = VIN * 300mA – 3.3 * 300mA + VIN * 2.5mA 445mW = VIN * 300mA – 990mW + VIN * 2.5mA 1435mW = VIN * 302.5mA VIN (max) = 4.74V Therefore, a 3.3V application at 300mA of output current can accept a maximum input voltage of 4.74V in a SOT -25 package. Fixed Output Regulator Desig n Ultra Low Noise Fixed Voltage Application Includes a 470pF capacitor for low noise operation and shows EN connected to IN for an application where enable/shutdown is not required. C OUT= 2.2uF minimum. Low Noise Fixed Voltage Application An example of a low noise configuration where bypass is not required. COUT= 2.2uF minimum VOUT VIN EN on off COUT 2.2uF TS5215CX5xx VIN VOUT COUT 2.2uF CBYP 470pF TS5215CX5xx

Voltage Regulator with Enable 6/9 Version: B07 SOT-25 Mechanical Drawing Marking Diagram H = Device Code X = Voltage Code Y = Year Code M = Month Code (A=Jan, B=Feb, C=Mar, D=Apl, E=May, F=Jun, G=Jul, H=Aug, I=Sep, J=Oct, K=Nov, L=Dec) L = Lot Code SOT-25 DIMENSION MILLIMETERS INCHES DIM MIN MAX MIN MAX. A+A1 0.09 1.25 0.0354 0.0492 B 0.30 0.50 0.0118 0.0197 C 0.09 0.25 0.0035 0.0098 D 2.70 3.10 0.1063 0.1220 E 1.40 1.80 0.0551 0.0709 E 1.90 BSC 0.0748 BSC H 2.40 3.00 0.09449 0.1181 L 0.35 BSC 0.0138 BSC Ө1 0º 10º 0º 10º S1 0.95 BSC 0.0374 BSC

Voltage Regulator with Enable 7/9 Version: B07 SOP-8 Mechanical Drawing Marking Diagram XX = Voltage Code Y = Year Code M = Month Code (A=Jan, B=Feb, C=Mar, D=Apl, E=May, F=Jun, G=Jul, H=Aug, I=Sep, J=Oct, K=Nov, L=Dec) L = Lot Code SOP-8 DIMENSION MILLIMETERS INCHES DIM MIN MAX MIN MAX. A 4.80 5.00 0.189 0.196 B 3.80 4.00 0.150 0.157 C 1.35 1.75 0.054 0.068 D 0.35 0.49 0.014 0.019 F 0.40 1.25 0.016 0.049 G 1.27BSC 0.05BSC K 0.10 0.25 0.004 0.009 M 0º 7º 0º 7º P 5.80 6.20 0.229 0.244 R 0.25 0.50 0.010 0.019

Voltage Regulator with Enable 8/9 Version: B07 SOT-89-5L Mechanical Drawing Marking Diagram Y = Year Code M = Month Code (A=Jan, B=Feb, C=Mar, D=Apl, E=May, F=Jun, G=Jul, H=Aug, I=Sep, J=Oct, K=Nov, L=Dec) L = Lot Code XX = Voltage Code = Package Code for Adjustable type (CY5 = SOT-89-5L) SOT-89-5L DIMENSION MILLIMETERS INCHES DIM MIN MAX MIN MAX A 4.40 4.60 0.17 0.18 B 4.05 4.25 0.16 0.17 C 1.50 1.70 0.06 0.07 D 0.35 0.41 0.01 0.02 E 2.40 2.60 0.09 0.10 F 0.80 -- 0.03 -- G 3.00(typ) 0.12(typ) H 1.50(typ) 0.06(typ) I 0.40 0.52 0.01 0.02 J 1.40 1.60 0.05 0.06

Voltage Regulator with Enable 9/9 Version: B07 Notice Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained her ein is intended to provide a product description only. No license, express or implied, to any intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of sale for such products, TSC assumes no liability wha tsoever, and disclaims any express or implied warranty, relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellec tual property right. The products shown herein are not designed for use in medical, life -saving, or life -sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify T SC for any damages resulting from such improper use or sale.