NJM2870F New Japan Radio Co., Ltd., NJM2870F Datasheet

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NJM2870F

Manufacturer Part Number
NJM2870F
Description
LOW DROPOUT VOLTAGE REGULATOR
Manufacturer
New Japan Radio Co., Ltd.
Datasheet

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for cellular phone application.
ripple rejection and low quiescent current.
GENERAL DESCRIPTION
FEATURES
PIN CONFIGURATION
EQUIVALENT CIRCUIT
High Ripple Rejection
Output Noise Voltage
Output Current
High Precision Output
Low Dropout Voltage
Input Voltage range
ON/OFF Control
Output capacitor with 4.7uF ceramic capacitor
Internal Short Circuit Current Limit
Internal Thermal Overload Protection
Bipolar Technology
Package Outline
The NJM2870 is low dropout voltage regulator designed
Advanced Bipolar technology achieves low noise, high
GND
Cont
V
LOW DROPOUT VOLTAGE REGULATOR
IN
56dB
66dB typ. (f=100Hz)
60dB typ. (f=1kHz)
Vno=30 V typ.(Cp=0.01 F)
Io(max.)=150mA
Vo 2%
+2 +14V (Vo=1.5V Version)
(Active High)
SOT-23-5
V
I
-
O
=0.12V typ. (Io=60mA, Vo 1.8V)
NJM2870F
RR (DC < f < 60kHz)
5
1 2 3
4
Bandgap
Reference
PIN FUNCTION
1. CONTROL (Active High)
2. GND
3. NOISE BYPASS
4. V
5. V
OUT
IN
Thermal
Protection
PACKAGE OUTLINE
NJM2870F
V
Noise
Bypass
OUT
NJM2870

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NJM2870F Summary of contents

Page 1

... Package Outline SOT-23-5 PIN CONFIGURATION EQUIVALENT CIRCUIT V IN Cont GND RR (DC < f < 60kHz) - =0.12V typ. (Io=60mA, Vo 1.8V PIN FUNCTION 1. CONTROL (Active High) 2. GND 3. NOISE BYPASS OUT 5. V NJM2870F IN Thermal Protection Bandgap Reference NJM2870 PACKAGE OUTLINE NJM2870F V OUT Noise Bypass ...

Page 2

ABSOLUTE MAXIMUM RATINGS(Ta=25 C) PARAMETER SYMBOL Input Voltage Control Voltage Power Dissipation Operating Temperature Storage Temperature (*1) When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. (*2): Mounted on glass epoxy ...

Page 3

... V V CONT Device Name V OUT NJM2870F27 2.7V NJM2870F28 2.8V NJM2870F285 2.85V NJM2870F29 2.9V NJM2870F03 3.0V NJM2870F31 3.1V NJM2870F32 3.2V NJM2870F33 3.3V NJM2870F34 3. OUT + NJM2870 0 NOISE CONT A CONTROL BYPASS GND NJM2870 Device Name V OUT NJM2870F35 3.5V NJM2870F36 3.6V NJM2870F38 3.8V NJM2870F04 4.0V NJM2870F45 4.5V NJM2870F46 4.6V NJM2870F47 4.7V NJM2870F48 4.8V NJM2870F05 5. OUT OUT 4.7 F (tantalum) Cp=0.01 F ...

Page 4

TYPICAL APPLICATION 1 In case that ON/OFF Control is not required 0 Connect control terminal The quiescent current can be reduced by using a resistance “R”. Instead, it increases the minimum operating voltage. ...

Page 5

... POWER DISSIPATION vs. AMBIENT TEMPERATURE NJM2870F Power Dissipation (Topr=-40~+85℃,Tj=125℃,P 500 On Board(114.3×76.2×1.6mm, FR-4) 400 300 Device itself 200 100 0 -50 -25 =200mW(Ta≦25℃)) Ambient Temperature Ta(℃) NJM2870 75 100 ...

Page 6

TYPICAL CHARACTERISTICS NJM2870 ...

Page 7

TYPICAL CHARACTERISTICS NJM2870 ...

Page 8

TYPICAL CHARACTERISTICS NJM2870 ...

Page 9

NJM2870 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not ...

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