BA9785FS Datasheet - Rohm

BA9785FS transformer inverter control IC

Equivalent circuit VCC VREG ON/OFF 1 1k 110k 120k PCH_GATE 100k 100k GND1 2 3 4 GND1 I_CFL DET_CR GND 5 LOOP_C 0.5V 2.0V 0.5V 2.0V 0.5V VREG VREF VREF 60µA I_CFL 3 30k 5k 20k VCC VCO 60k 3µA 3µA 60k 20k 500 VCC VCC GND1 4 DET_CR 5 LOOP_C Free Datasheet http://www.datasheet4u.co.

BA9785FS IC IC BA9785FS BA9785FS LSI z LCD PDA LCD TV z 1) 2) 3) 2 z (Ta=25°C) Parameter Symbol VCC Pd Topr Tstg Limits 17 800 ∗ 30∼+85 55∼+150 6.4mW Unit V mW ˚C ˚C ∗Ta=25˚C 1˚C z (Ta=25°C) Parameter Symbol VCC fOSCH fOSCL CL1 C L2 Min. 4.5 60 50 0 0 Typ. 12 100 150 500 500 Max. 16 150 1000 1000 1000 Unit V kHz Hz pF Free Datasheet http://www.datasheet4u.com/ BA9785FS IC z ON / OFF 1 3.5V Reg 2.0V Ref 24 VREG GND1 2 Detection circuit + Activati.

BA9785FS_Rohm.pdf