NJU7748 New Japan Radio, NJU7748 Datasheet

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NJU7748

Manufacturer Part Number
NJU7748
Description
(NJU7747 / NJU7748) LOW DROPOUT VOLTAGE REGULATOR
Manufacturer
New Japan Radio
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
NJU7748F4-04
Manufacturer:
JRC
Quantity:
20 000
www.DataSheet4U.com
control.
NJU7747/48 suitable for space conscious applications.
of output voltage when ON/OFF control is used.
Ver.2004-12-22
CONTROL
NJU7747/48 is a low dropout voltage regulator with ON/OFF
Advanced CMOS technology achieves ultra low quiescent current.
SC-82AB package and 0.1 F small output capacitor make the
NJU7748 features shunt switch which improves turn off response
GENERAL DISCRIPTION
FEATURES
PIN CONFIGURATION
EQUIVALENT CIRCUIT
GND
Ultra Low quiescent Current
Output capacitor with 0.1uF ceramic capacitor
Output Current
High Precision Output
Low Dropout Voltage
With ON/OFF Control
With Output Shunt Switch
Internal Short Circuit Current Limit
CMOS Technology
Package Outline
V
IN
Output
Control
NJU7747/48F4
NJU7747
Vref
4
1
LOW DROPOUT VOLTAGE REGULATOR
3
2
Current
Limit
Iq=1.5 A typ.(I
I
V
0.17V typ. (I
(Active High)
Only NJU7748
SC-82AB
O
PIN FUNCTION
1.CONTROL
2.GND
3. V
4. V
O
(max.)=100mA
1.0%
OUT
IN
V
O
OUT
=40mA, V
O
=0mA)
CONTROL
GND
O
V
=3V version)
IN
Control
Output
Vref
PACKAGE OUTLINE
NJU7748
NJU7747/48F
Current
Limit
NJU7747/48
V
OUT
- 1 -

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NJU7748 Summary of contents

Page 1

... Advanced CMOS technology achieves ultra low quiescent current. SC-82AB package and 0.1 F small output capacitor make the NJU7747/48 suitable for space conscious applications. NJU7748 features shunt switch which improves turn off response of output voltage when ON/OFF control is used. FEATURES Ultra Low quiescent Current Output capacitor with 0 ...

Page 2

... Control Voltage for ON-State V CONT(ON) Control Voltage for OFF-State V CONT(OFF) Pull-down Resistance at R O(OFF) OFF-state(*4) (*4) This electrical characteristics is applied to NJU7748. The above specification is a common specification for all voltages. Therefore, it may be different from the individual specification for a specific output Voltage OUT 2.8V 3.0V 3.3V 3.7V 5.0V ...

Page 3

TEST CIRCUIT TYPICAL APPLICATION 1 In case that ON/OFF Control is not required 0.1 F Connect control terminal use of ON/OFF Control ...

Page 4

NJU7747/48 POWER DISSIPATION vs. AMBIENT TEMPERATURE NJU7747/48F4 Power Dissipation 500 400 300 On Board(114.3×76.2×1.6mm, FR-4) 200 100 0 -50 - (Topr=-40 ~ +85 ℃ ,Tj=125 ℃ Ambient Temperature Ta(℃ 100 [CAUTION] The ...

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