BD9285F ROHM [Rohm], BD9285F Datasheet - Page 13

• Manufacturer Part Number: BD9285F
• Description: Boost 1channel white LED driver For large LCDs
• Manufacturer: ROHM [Rohm]

●3.1 Application circuit example
・ ・ ・ ・ The basic application circuit example
・ ・ ・ ・ As for the dimming signal, the single PWM and the DC for analog dimming
Figure 17. the circuit example with single PWM (1)
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TSZ22111・15・001
BD9285F
The bellows are example circuits of using BD9285F.
Css
Figure 16. The basic application circuit example
VCC
ADIM_P
ADIM
TC54
SS
FAILB
PWM1
PWM2
STB
RT
VCC
VIN
GND
UVLO
13/36
Adim (DC)
DIMOUT
ISENSE
GATE
OVP
CS
Css
PWM
FB
Figure 18. the circuit example with single PWM (2)
VCC
FAILB
PWM1
PWM2
ADIM_P
TC54
SS
ADIM
STB
RT
VCC
VIN
GND
PWM1 pin and PWM2 pin are shorted.
UVLO
TSZ02201-0F1F0C100030-1-2
DIMOUT
ISENSE
GATE
OVP
CS
FB
11.Jul.2012 Rev.001
Datasheet