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LD3870 Datasheet

LOW DROPOUT VOLTAGE REGULATOR



 
DESCRIPTION
 
The UTC LD3870 is low dropout voltage regulator designed
for cellular phone application.


 
FEATURES
 
* High Ripple Rejection: 56dBRR(DC<f<60kHz)
66dB typ. (f=100Hz)
60dB typ. (f=1kHz)
* Output Noise Voltage: eN=30ΜV , Cp=0.01μF
* Output Current: IO(MAX)=150mA
* High Precision Output: VO±2%
* Low Dropout Voltage: VD=0.12V typ. (IO=60mA,Vo1.8V)
* 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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