NJM2383
NJM2383 is DC/DC CONVERTER CONTROL IC WITH CURRENT SENSE AMPLIFIER manufactured by New Japan Radio.
DC/DC CONVERTER CONTROL IC WITH CURRENT SENSE AMPLIFIER s GENERAL DESCRIPTION The NJM2383 is a low voltage operation DC/DC converter control IC featuring high side current protection, soft start and standby functions. It is suitable for power module application and on-board regulators. NJM2383D NJM2383M s PACKAGE OUTLINE s Features q PWM switching control q Operating Voltage (3.6 to 32V) q Wide Oscillator Range (5 to 350 k Hz) q ON/OFF Circuit (High Active) q Current Sensing Amplifier q Soft-Start Function q UVLO(Under Voltage Lockouts) q Bipolar Technology q Package Outline DIP14, DMP14, SSOP10
NJM2383V s PIN 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
NJM2383D NJM2383M
1 2 3 4 5 10 9 8 7 6
NJM2383V
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 1.0
- 1
- NJM2383 s BLOCK 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
ER- AMP 0.52V PWM
1 NC
2 IN 1
- 3 IN 2
- 4 F.B
5 GND
6 OUT
7...
