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| LD3870_11 Datasheet, PDF (1/5 Pages) Unisonic Technologies – LOW DROPOUT VOLTAGE REGULATOR | |||
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UNISONIC TECHNOLOGIES CO., LTD
LD3870
Preliminary
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: 56dBâ¤RR(DC<f<60kHz)
66dB typ. (f=100Hz)
60dB typ. (f=1kHz)
* Output Noise Voltage: eN=30ÎV , Cp=0.01μF
* Output Current: IO(MAX)=150mA
* High Precision Output: VO±2%
* Low Dropout Voltage: VD=0.12V typ.
(IO=60mA,Voâ¥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 Number
Lead Free
Halogen Free
LD3870L-AF5-R
LD3870G-AF5-R
Note: xx: Output Voltage, refer to Marking Information.
Package
SOT-25
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., LTD
1 of 5
QW-R105-028,Da
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