NJM2870
LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
The NJM2870 is low dropout voltage regulator designed
for cellular phone application.
Advanced Bipolar technology achieves low noise, high
ripple rejection and low quiescent current.
FEATURES
High Ripple Rejection
s
PACKAGE OUTLINE
NJM2870F
56dB
鈮?/div>
RR (DC < f < 60kHz)
66dB typ. (f=100Hz)
60dB typ. (f=1kHz)
Output Noise Voltage
Vno=30碌V typ.(Cp=0.01碌F)
Output Current
Io(max.)=150mA
High Precision Output
Vo鹵2%
Low Dropout Voltage
鈭哣
I
-
O
=0.12V typ. (Io=60mA, Vo鈮?.8V)
Input Voltage range
+2鈭?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
Bipolar Technology
Package Outline
SOT-23-5
PIN CONFIGURATION
5
4
1 2 3
NJM2870F
EQUIVALENT CIRCUIT
V
IN
Cont
Bandgap
Reference
PIN FUNCTION
1. CONTROL (Active High)
2. GND
3. NOISE BYPASS
4. V
OUT
5. V
IN
V
OUT
Thermal
Protection
Noise
Bypass
GND
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