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NJM2891PB1-2828 Datasheet

  • NJM2891PB1-2828

  • 2ch LOW DROPOUT VOLTAGE REGULATOR

  • 10頁(yè)

  • NJRC

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NJM2891
2ch LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
The NJM2891 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
70dB typ. (f=1kHz , Vo=3V Version)
Output Noise Voltage
Vno=30碌Vrms typ.(Cp=0.01碌F)
Output capacitor with 1.0碌F ceramic capacitor (Vo鈮?.7V)
Output Current
Io(max.)=150mA
2ch
High Precision Output
Vo鹵1.0%
Low Dropout Voltage
0.10V typ. (Io=60mA)
ON/OFF Control
(Active High)
Internal Short Circuit Current Limit
Internal Thermal Overload Protection
Bipolar Technology
Package Outline
FFP12-B1 (2.0脳2.0脳0.85mm)
PIN CONFIGURATION
PIN FUNCTION
1. V
OUT
2
2. V
OUT
2
3. GND
4. CONTROL2
5. V
IN
2
6. V
IN
1
PACKAGE OUTLINE
NJM2891PB1
9
10
11
12
1
8
7
6
5
4
6
5
4
7
8
9
10
11
12
7. CONTROL1
8. V
OUT
1
9. V
OUT
1
10. NOISE BYPASS1
11. NC
12. NOISE BYPASS2
2
3
3
2
1
TOP
BOTTOM
NJM2891PB1
EQUIVALENT CIRCUIT
V
IN
1/ V
IN
2
Cont1/Cont2
Thermal
Protection
Bandgap
Reference
Noise Bypass1 /
Noise Bypass2
V
OUT
1/ V
OUT
2
GND

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