DESCRIPTION

The UTC LD3870 is low dropout voltage regulator

designed for cellular phone application.

 FEATURES

* High Ripple Rejection: 56dB≤RR(DC

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,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