BD9275F Datasheet, PDF (3/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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〇Package Dimensions
Device Name
MMAAXX1111..5555 ((iinncclluuddee.. BBUURRRR))
BD9275F
Lot No.
SOP-16 (Unit:mm)
〇PIN No.・PIN NAME・FUNCTION
No. PIN
Function
1 VCC Supply voltage input
2 STB Stand-by switch
External resistor from SRT to RT for adjusting
3 SRT the triangle oscillator
External resistor from SRT to RT for adjusting
4 RT the triangle oscillator
5 GND GROUND
6 FB Error amplifier output
7 IS Error amplifier input
8 VS Error amplifier input
BD9275F
No. PIN
16 N1 NMOS FET driver
15 N2 NMOS FET driver
Function
14 PGND Ground for FET drivers
13 PWM_IN Dimming pulse signal input pin
12 SS External capacitor from SS to GND for Soft Start Control
11 CP External capacitor from CP to GND for Timer Latch
10 FAIL Error signal output pin
9 COMP Over voltage detect pin
REV. B