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NJM2382

JRC
Part Number NJM2382
Manufacturer JRC
Description SWITCHING REGULATOR CONTROL IC FOR FLYBACK
Published Jun 14, 2009
Detailed Description NJM2382 www.DataSheet4U.com SWITCHING REGULATOR CONTROL IC FOR FLYBACK WITH CURRENT SENSE AMPLIFIER IGENERAL DESCRIPTIO...
Datasheet PDF File NJM2382 PDF File

NJM2382
NJM2382

Overview
NJM2382 www.
DataSheet4U.
com SWITCHING REGULATOR CONTROL IC FOR FLYBACK WITH CURRENT SENSE AMPLIFIER IGENERAL DESCRIPTION The NJM2382 is a low voltage operation switching regulator control IC.
It features totem pole output directly driving external bipolar transistor and operates at high switching frequency which improves transient response.
In addition, low power standby function is incorporated.
It is suitable for LCD back light, and other portable applications.
IPACKAGE OUTLINE NJM2382D NJM2382M IFEATURES G PWM switching control G Operating Voltage (3.
6 to 32V) G Wide Oscillator Range (5 to 350 kHz) G ON/OFF Circuit (High Active) G Current Sensing Amplifier G Soft-Start Function G UVLO(Under Voltage Lockouts) G Bipolar Technology G Package Outline DIP14, DMP14, SSOP10 NJM2382V IPIN CONFIGURATION 1 2 3 4 5 6 7 14 13 12 11 10 9 8 PIN FUNCTION 8.
NC 1.
NC 9.
V+ 2.
IN 1 3.
IN-2 10.
CS 11.
CT 4.
F.
B 12.
REF 5.
GND 13.
ON/OFF 6.
OUT 14.
NC 7.
NC NJM2382D NJM2382M 1 2 3 4 5 10 9 8 7 6 NJM2382V PIN FUNCTION 6.
V+ 1.
IN-1 2.
IN 2 7.
CS 8.
CT 3.
F.
B 9.
REF 4.
GND 10.
ON/OFF 5.
OUT Ver 1.
3 - 1 - NJM2382 www.
DataSheet4U.
com IBLOCK DIAGRAM NC 14 ON/OFF 13 REF 12 CT 11 CS 10 V+ 9 NC 8 ON/OFF “High” Active CURRENT SENSE AMP VREF OSC L.
O U.
V.
LO 500Ω ER·AMP 0.
52V PWM 1 NC 2 IN-1 3 IN-2 4 F.
B 5 GND 6 OUT 7 NC (Package: DIP14, DMP14) IN+ 10 REF 9 CT 8 CS 7 V+ 6 VREF CURRENT SENSE AMP OSC L.
O U.
V.
LO 500Ω ER·AMP 0.
52V PWM 1 IN 1 - 2 IN 2 - 3 F.
B 4 GND 5 OUT (Package: SSOP10) -2- NJM2382 www.
DataSheet4U.
com IABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL Input Voltage V+ Reference Output Current IOR Output Current IO Differential Input Voltage VID Common Mode Input Voltage VIC ON/OFF Control Voltage VON/OFF Power Dissipation PD Operating Temperature Range Storage Temperature Range TOPR TSTG MAXIMUM RATINGS 36 10 ±50 2.
5 -0.
3 ∼ 2.
5 -0.
3 ∼ 36 (note) (DIP 14) 700 (DMP 14) 300 (SSOP 10) 250 -40 ∼ +85 -50 ∼ +150 UNIT V mA mA V V V mW °C °C (note) When the...


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