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NJM2387 Datasheet

  • NJM2387

  • New Japan Radio [ADJUSTABLE LOW DROPOUT VOLTAGE REGULATOR]

  • NJRC

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NJM2387/89
ADJUSTABLE LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
The NJM2387/89 are adjustable low dropout voltage regulators .
The output current is up to 1.0A and dropout voltage is 0.2V typ. at
Io=0.5A. NJM2387 has ON/OFF control circuit and enable to
reduce quiescent current.
The NJM2387/89 is suitable for power module, TV, Display, car
stereo and low power applications.
PACKAGE OUTLINE
NJM2387DL2
NJM2387DL3 NJM2389F
FEATURE
Low Dropout Voltage
鈭哣
I-O
=0.2V typ. at Io=0.5A
Output Current
Io(max.)=1.0A
Reference Voltage
Vref=1.26V
鹵
2%
ON/OFF Control
(Active High : Only NJM2387)
Internal Short Circuit Current Limit
Internal Thermal Overload Protection
Bipolar Technology
Package Outline
TO-252-5(NJM2387), TO-220F-4(NJM2389)
PIN CONFIGURATION
3
3
123 45
123 45
PIN FUNCTION
1.V
IN
2.ON/OFF CONTROL
3.V
OUT
4.V
ADJ
5.GND
PIN FUNCTION
1. V
IN
2. V
OUT
3. GND
4. V
ADJ
123 4
NJM2387DL2
EQUIVALENT CIRCUIT
V
IN
NJM2387DL3
NJM2389F
V
OUT
V
IN
V
OUT
Bandgap
Reference
Bandgap
Reference
Control
ON/OFF
control
Over Voltage
Protection
Thermal Over Current
Protection Protection
V
ADJ
Over Voltage
Protection
Thermal Over Current
Protection Protection
V
ADJ
GND
GND
NJM2387DL2/DL3
NJM2389F
Ver.2004-12-22
-1-

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