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NJM2383

New Japan Radio
Part Number NJM2383
Manufacturer New Japan Radio
Description DC/DC CONVERTER CONTROL IC WITH CURRENT SENSE AMPLIFIER
Published May 23, 2005
Detailed Description NJM2383 DC/DC CONVERTER CONTROL IC WITH CURRENT SENSE AMPLIFIER sGENERAL DESCRIPTION The NJM2383 is a low voltage operat...
Datasheet PDF File NJM2383 PDF File

NJM2383
NJM2383

Overview
NJM2383 DC/DC CONVERTER CONTROL IC WITH CURRENT SENSE AMPLIFIER sGENERAL 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 sPACKAGE OUTLINE sFEATURES q PWM switching control q Operating Voltage (3.
6 to 32V) q Wide Oscillator Range (5 to 350 kHz) 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 sPIN 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 sBLOCK 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 NC (Package: DIP14, DMP14) ON/OFF 10 REF 9 CT 8 CS 7 V+ 6 ON/OFF “High” Active CURRENT SENSE AMP VREF OSC L.
O U.
V.
LO ER·AMP 0.
52V PWM 1 IN 1 - 2 IN 2 - 3 F.
B 4 GND 5 OUT (Package: SSOP10) -2- NJM2383 sABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL Input Voltage V+ Reference Output Current IOR Output Sink Current ISINK 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 10 200 2.
5 -0.
3 ∼ 2.
5 -0.
3 ∼ 36 (note) (DIP 14) 700 (DMP 14) 300 (SSOP 14) 250 -40 ∼ +85 -50 ∼ +125 UNIT V mA mA V V V mW °C °C (note) When the supply voltage is less than 36V, the absolute maximum input voltage is equal to the supply voltage.
sELECTRICAL CHARACTERISTICS (V+=6V,RT=33kΩ,CT=1000pF,VON/OFF=3V,Ta=25°C) REFERENCE VOLTAGE...


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