Datasheet Summary
UTC LD3870
LINEAR INTEGRATED CIRCUIT
LOW DROPOUT VOLTAGE REGULATOR
DESCRIPTION
The UTC LD3870 is low dropout voltage regulator designed for cellular phone application.
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Features
- High Ripple Rejection: 56dB RR(DC<f<60kHz) 66dB typ. (f=100Hz) 60dB typ. (f=1kHz)
- Output Noise Voltage: Vno=30 V , Cp=0.01 F
- Output Current: Io(max)=150mA
- High Precision Output: Vo 2%
- Low Dropout Voltage: Vl-o=0.12V typ. (Io=60mA,Vo 1.8V)
- Input Voltage range: +2~+14V(Vo=1.5V Version)
- ON/OFF Control: Active High
- Output capacitor with 4.7uF ceramic capacitor
- Internal Short Circuit Current Limit
- Internal Thermal Overload Protection
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1:CONTROL(Active High)...