YB1200 YOBON | Alldatasheet
Document overview
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Technical content
Features
High Accuracy +-2% Ultra-Low-Noise Low-Drop-Out Preset Outputs Stable with 0.47µF Ceramic Capacitor for Any Load Typical Output Current: 150mA Low Quiescent Current: ~90µA 250mV Dropout at 150mA Load (3.3V) Only Need Input and Output Capacitors Power Saving Shutdown Mode (<1µA) Thermal Protection Shutdown Built-In Internal Soft-Start Output Short-circuit Current Limit Protection Green package (RoHS) available
Applications
PDA, Palmtops and Notebook Computers DSC, Handset Camera Modules PCMCIA Cards, PC Cameras USB Based Portable Devices (MP3, PMP) GSM/GPRS/3G RF Transceiver Modules Wireless LANs, Bluetooth Portable Radios INPUT IN EN GND OUT OUTPUT PRESET ON OFF Cin=0. 47uF Cout=0. 47uF YB1200 NC or Bypass Cbypass =30nF Figure 1-1. SC-70 application circuit
YB1200 – High Accuracy Ultra-Low-Noise, High PSRR LDO Regulator
Ordering Information
Output Voltage Grade Order Information Package Marking Supplied as: SC70-5 Small Package 1.8 Green Package+ Standard YB1200SC70S-1.8G BA 3000 Units Tape & Reel 2.5 Green Package+ Standard YB1200SC70S-2.5G BB 3000 Units Tape & Reel 2.6 Green Package+ Standard YB1200SC70S-2.6G BE 3000 Units Tape & Reel 2.8 Green Package+ Standard YB1200SC70S-2.8G BC 3000 Units Tape & Reel 3.0 Green Package+ Standard YB1200SC70S-3.0G BF 3000 Units Tape & Reel 3.3 Green Package+ Standard YB1200SC70S-3.3G BD 3000 Units Tape & Reel SC-82 Small Package 1.8 Green Package+ Standard YB1200SC82S-1.8G DA 3000 Units Tape & Reel 2.5 Green Package+ Standard YB1200SC82S-2.5G DB 3000 Units Tape & Reel 2.6 Green Package+ Standard YB1200SC82S-2.6G DE 3000 Units Tape & Reel 2.8 Green Package+ Standard YB1200SC82S-2.8G DC 3000 Units Tape & Reel 3.0 Green Package+ Standard YB1200SC82S-3.0G DF 3000 Units Tape & Reel 3.3 Green Package+ Standard YB1200SC82S-3.3G DD 3000 Units Tape & Reel
YB1200 – High Accuracy Ultra-Low-Noise, High PSRR LDO Regulator Function Parameter Conditions Min Typ Max Units Input Voltage Range 2.0 6.0 V Output Voltage Predefined (metal masks) 1.8 3.3 V Output Voltage Accuracy IOUT = 10mA -2.0 +2.0 % Output Current Limit Short-circuit output 200 mA VOUT = 3.3V, IOUT = 150mA 250 VOUT = 3.0V, IOUT = 150mA 275 VOUT = 2.8V, IOUT = 150mA 300 VOUT = 2.6V, IOUT = 150mA 310 VOUT = 2.5V, IOUT = 150mA 320 Dropout Voltage (See Note 1) VOUT = 1.8V, IOUT = 150mA 500 mV Ground Current I OUT = 0 mA 90 µA Line Regulation V IN = (VOUT + 1V) to 6.0V, IOUT = 10 mA 0.3 %/V Load Regulation I OUT = 1mA to 150mA 1.2 % Shutdown Supply Current EN=0V ~0.01 µA Absolute Maximum Ratings Internal Power Disspation (SC-70/82, PD)……...0.3W
Electrical Characteristics
Recommended Operating Conditions TA = 25℃ , VIN = ( VOUT + 1V ), CIN = COUT = 0.47µF, VEN = VIN
YB1200 – High Accuracy Ultra-Low-Noise, High PSRR LDO Regulator f = 100Hz, IOUT=1mA 52 f = 1KHz, IOUT=1mA 55 Ripple Rejection (PSRR) f = 10KHz, IOUT=1mA 53 dB f = 100Hz to 100KHz, Iload=10mA, Bypass=0nF 45 µVrms Output Noise Voltage f = 100Hz to 100KHz, Iload=10mA, Bypass=30nF 15 µVrms Shutdown Exit Delay (See Note 2) Rload=50ohm 45 300 µs EN Logic Low Level V IN=2.0V to 5.5V 0.4 V EN Logic High Level V IN=2.0V to 5.5V 1.2 VIN V EN Input Bias Current V IN=5.5V, EN=0V or 6V 0.01 µA Thermal Shutdown Shutdown Temperature 160 ℃ Thermal-Shutdown ysteresis 20 ℃ Note1 : The drop out voltage varies depending on output voltage selection Dropout is defined as V IN – VOUT when VOUT is 100mV below VOUT where Vin=Vout +1V for nominal VOUT. Note 2: Time needed for VOUT to reach 90% of final value. Typical Characteristics At TA= 25℃, VIN = ( VOUT + 1V), CIN = COUT = 0.47µF, VEN = VIN, unless otherwise noted. Dropout Voltage vs Load Current 100 200 300 400 500 600 0 10 30 50 70 90 110 130 150 Load Current (mA) Dropout Voltage (mV) Dropout Voltage vs Temperature 100 150 200 250 300 350 400 0 10 30 50 70 90 110 130 150 Load Current (mA) Dropout Voltage (mV) Vo=3.3V Vo=1.8V Vo=2.5V 25℃ 85℃ Vo=2.8V
YB1200 – High Accuracy Ultra-Low-Noise, High PSRR LDO Regulator Ground Current vs. Input Voltage 100 120 140 Input Voltage (V) Ground Current (µA) Output Voltage vs. Temperature 2.81 2.82 2.83 2.84 2.85 2.86 2.87 2.88 2.89 25 35 45 55 65 75 85 Temperature (℃) Output Voltage (V) ILoad=80mA ILoad=1mA ILOAD=1mA
YB1200 – High Accuracy Ultra-Low-Noise, High PSRR LDO Regulator Shutdown Exit Delay Line Transient Response Shutdown Delay Load Transient Response Shutdown V oltage 3.34V CIN = 0.47µF COUT = 0.47µF ILoad = 100µA CIN = 0.47µF COUT = 0.47µF VIN = 3.34V 100mA 100µA V o=2.84V RLoad=50Ω Vo RLoad=50Ω Shutdown V oltage
Figure 3. Block Diagram with an output capacitor as low as 0.47uF. unlike many other voltage regulators.
YB1200 – High Accuracy Ultra-Low-Noise, High PSRR LDO Regulator battery life. The YB 1200 consumes only 90µA of quiescent current under most conditions. Output Short-Circuit Current Limit The YB1200 includes a current limiter, which monitors and controls the pass transistor’s gate voltage, limiting the output current to about 200 mA, for example, in a short-circuit output situation. Shutdown The YB1200 also feat ures a low-power active shutdown mode. It has a switch that turns off the device when disabled. This allows the output capacitor and load to discharge and de-energize the load. In the shutdown mode, the in ternal functional blocks, such as voltage reference and the error amplifier, are turned off completely, and the quiescent current is less than 1µA. Thermal Protection Shutdown The thermal protecti on shutdown function protects the device from operating in over temperature condition. When the junction temperature exceeds +160°C, the thermal sensor signals the shutdown logic, turning off the pass transistor and allowing the IC to cool down. The thermal sensor turns the pass transistor on again after the IC’s junction temperature drops to +140°C. Soft-Start Circuitry The YB1200 includes a soft-start circuitry to limit inrush current at turn-on. During power up, the output capacitor and output load are charged with a reduced output current. Shortly after the initial power up, the soft-start feature is terminated and normal operation is resumed.
Application Information
The YB1200 comes with an active-high enable pin that allows the regulator to be enabled. Forcing the enable pin low disables the regulator and puts it into the shutdown mode. This pin cannot be left floating as it may cause an undetermined state. Input/Output Capacitor It is recommended to use a 0.47 µF capacitor on the YB1200 input and a 0.47µF capacitor on the output. For high regulation performance, larger input capacitor values and lower ESRs provide better noise rejection and line-transient response. The output noise, load-transient response, stability, and power-supply rejection can be improved by using large output capacitors. Low ESR ceramic capacitors provide optimal performance and save space. Power Supply Rejection and Transient Response The PSRR and transient response can be improved by increasing the values of the input and output bypass capacitors, and through passive filtering techniques.
YB1200 – High Accuracy Ultra-Low-Noise, High PSRR LDO Regulator Millimeters Inches Symbol MIN. MAX. MIN. MAX. A 0.90 1.10 .036 0.44 A1 0.025 0.10 .001 .004 A2 0.875 1.00 .035 .040 b 0.20 0.40 .008 .016 C 0.10 0.15 .004 .006 D 1.90 2.10 .076 .084 E 1.15 1.35 .046 .054 E1 2.00 2.20 .080 .088 e 0.65 BSC. .026 BSC. e1 1.30 BSC. .052 BSC. L 0.425 REF. .017 REF. Note: 1. All dimensions are in millim eters, and the dimensions in inches are for reference only. 2. 1mm=40mils=0.04inches
YB1200 – High Accuracy Ultra-Low-Noise, High PSRR LDO Regulator NOTE: 1. CONTROLUNG DIMENSION: mm 2. LEAD FRAME MATERIAL:EFTEC-64T 1/2H OR H. 3. DIMENSION D DOES NOT INCLUDE MOLD FL ASH, PROTRUSIONS OR GATE BURRS, MOLD FLASH/PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.15 mm PER SIDE, 4. DIMENSION E1 DOES NOT INCLUDE INTE RLEAD FLASH OR PROTRUSION. INTERLEAD FLASH OR PROTRUSION SHALL NOT EXCEED 0.15mm PER SIDE.