NJU7606

NJU7606 Step-Up / Flyback Switching Regulator IC with Load Switch Function ■GENERAL DESCRIPTION The NJU7606 are low voltage operation high speed switching regulator control ICs for step-up and flyback converter, with a load switch function. The load switch function can disrupt the current flow to the load in standby mode and latch mode. The NJU7606 also have a soft-start function, dead time control and timer latch for short circuit protection and their times are all adjustable with external parts. The NJU7606 is available in 10-lead MSOP (TVSP) package. They are suitable for battery powered applications. ■PACKAGE OUTLINE NJU7606RB2 (MSOP10(TVSP10)) ■FEATURES ● PWM switching control ● Load Switch Function ● Operating Voltage 2.2V to 8V ● Wide Oscillator Range 300kHz to 1MHz ● Maximum Duty Cycle 90% typ. ● Quiescent Current Operating: 800µA typ. ● Soft-Start Function Standby: 1µA max. Internal : 16ms typ. or adjustable ● Dead Time Control ● Timer Latch for Short Circuit Protection ● C-MOS Technology ● Package Outline NJU7606RB2 : MSOP10 (TVSP10)* *MEET JEDEC MO-187-DA / THIN TYPE ■PIN CONFIGURATION ■PRODUCT VARIATION NJU7606 Load SW, Standby Function NJU7602 Standby Function PIN FUNCTION 1 10 1. V+ 2 9 2. LSW 3 4 8 7 3. FB 4. IN 5. SCP 5 6 6. ON/OFF 7. DTC NJU7606RB2 8. RT 9. GND 10. OUT Ver.2012-08-01 -1- NJU7606 ■BLOCK DIAGRAM V+ FB IN- 1V Vref ER⋅AMP Soft Start Latch UVLO SCP 2µA SCP 2kΩ 0.5 RT A 1V 1V GND DTC 0.8V 0.2V L...