UNISONIC TECHNOLOGIES CO.
, LTD
LD3870
LINEAR INTEGRATED CIRCUIT
LOW DROPOUT VOLTAGE
REGULATOR
DESCRIPTION
The UTC LD3870 is low dropout voltage
regulator designed for cellular phone application.
FEATURES
* High Ripple Rejection: 56dB≤RR(DCf60kHz) 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
ORDERING INFORMATION
Ordering Num...