NJM2379D

The NJM2379D is designed as a high speed switching regulator control IC and directly drive an external power MOS-FET to use internal totempole output circuit. It operate slave mode which synchronous external oscillation frequency, and the slave mode reduce the total noise. NJM2379D is suitable for flyback type switching regulation up to 10W and several output power supply for LCD panel.

NJM2379D has seven features. (1) Operating voltage is from 3.6V to 32V. (2) Reference voltage 2.5V +/-2%. (3) Input outside oscillator frequency 5 to 350KHz. (4) Output switch current +/-8mA min. (5) Under voltage lockouts circuit. (6) Bipolar technology. (7) Package outline DIP8, DMP8, EMP8, SSOP8. That are all the main features.

Some absolute maximum ratings have been concluded into several points as follow. (1) Its supply voltage is 36V. (2) Its reference output current is 10mA. (3) Its CT pin voltage is 1.5V. (4) Its power dissipation is 700mW for DIP8 and 300mW for DMP8 and 300mW for EMP8 and 250mW for SSOP8. (5) Its operating temperature range is from -40°C to +85°C. (6) Its storage temperature ange is from -50°C to +125°C.

Also some electrical characteristics about NJM2379D. (1) Its output voltage is min 2.45V and typ 2.5V and max 2.55V. (2) Its line regulation is typ 6.8mV and max 20.7mV. (3) Its load regulation is typ 5mV and max 30mV. (4) Its reference voltage is min 0.51V and typ 0.52V and max 0.53V. (5) Its input bias current is typ 5nA and max 100nA. (6) Its open loop gain is typ 90dB. (7) Its gain band width product is typ 0.6MHz. (8) Its maximum output voltage is min Vref-0.2V. (9) Its output source current is min 40uA and typ 85uA and max 200uA. And so on. If you have any question or suggestion or want to know more information about NJM2379D please contact us for details. Thank you!