BD9285F ROHM [Rohm], BD9285F Datasheet - Page 14

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

・ ・ ・ ・ Only analog dimming
・ ・ ・ ・ Application example when use numerous IC
The application circuit of analog dimming by external duty signal.
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© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
BD9285F
VIN
Adim (DC)
VCC
Css
Figure 20. the circuit example of when plural IC is used.
Figure 19. the circuit example of analog dimming only
STB
VCC
STB
FAILB
PWM1
PWM2
ADIM_P
TC54
SS
ADIM
STB
RT
PWM1
PWM2
ADIM_P
PWM1
PWM2
FAILB
VCC
VIN
SS
SS
STB
RT
TC54
STB
RT
FAILB
PWM1
PWM2
ADIM
TC54
FAILB
PWM1
PWM2
ADIM
ADIM_P
ADIM_P
GND
VCC
VCC
BD9285F
BD9285F
UVLO
14/36
GND
GND
DIMOUT
ISENSE
GATE
OVP
CS
UVLO
UVLO
FB
ISENSE
ISENSE
DIMOUT
DIMOUT
FB
FB
GATE
GATE
CS
CS
OVP
OVP
TSZ02201-0F1F0C100030-1-2
11.Jul.2012 Rev.001
Datasheet