NJM2871B/72B
Low Dropout Voltage Regulator
GENERAL DESCRIPTION
The NJM2871B/72B are low dropout voltage regulator designed for
cellular phone applications.
Advanced Bipolar technology achieves low noise, high ripple
rejection and low quiescent current.
FEATURES
High Ripple Rejection
75dB typ. (f=1kHz Vo=3V version)
Output Noise Voltage
Vno=30碌Vrms typ. (Cp=0.01碌F)
Output capacitor with 1.0uF ceramic capacitor(Vo鈮?.7V: Version)
Output Current
Io(max.)=150mA
High Precision Output
Vo
鹵1.0%
Low Dropout Voltage
0.10V typ. (Io=60mA)
Input Voltage Range
+2.3
鈭?/div>
+14V(Vo鈮?.0V version)
ON/OFF Control
(Active High)
Internal Short Circuit Current Limit
Internal Thermal Overload Protection
Bipolar Technology
Package Outline
SOT-23-5 (MTP5)
PIN CONFIGURATION
5
4
PACKAGE OUTLINE
NJM2871BF/72BF
1 2 3
1. CONTROL (Active High)
2. GND
3. NOISE BYPASS
4. V
OUT
5. V
IN
5
4
1 2 3
1. V
IN
2. GND
3. CONTROL (Active High)
4. NOISE BYPASS
5. V
OUT
NJM2871BF
EQUIVALENT CIRCUIT
V
IN
Control
Bandgap
Reference
NJM2872BF
V
OUT
Thermal
Protection
Noise
Bypass
GND
Ver.2005-01-25
-1-
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