BD9285F Datasheet, PDF (5/39 Pages) Rohm – Boost 1channel white LED driver For large LCDs

BD9285F
●1.3 Pin number, pin name, pin function
No. name
IN/OUT
function
1
OVP
In
Over voltage protection detection pin
2
UVLO
In
Under voltage lock out detection pin
3
SS
Out
Slow start setting pin
4
RT
Out
For DC/DC switching frequency setting pin
5 PWM1
In
External PWM dimming signal input pin1
6 PWM2
In
External PWM dimming signal input pin2
7
FAILB
Out
Abnormality detection output pin
8
ADIM
In/Out ADIM signal input-output pin
9 ADIM_P
In
ADIM pulse signal input pin
10
GND
-
-
11 DIMOUT
Out
Dimming signal pin for driving MOSFET
12 GATE
Out
DC/DC switching output pin
13
STB
In
IC On/OFF pin
14
VCC
-
Power supply pin
15 ISENSE
In
Current detection input pin
16
FB
17
CS
18
TC54
In/Out
In
Out
Error amplifier output pin
DC/DC output current detect pin,
OCP input pin
5.4V output pin, shutdown timer pin
rating[V]
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 20
-0.3 to 20
-0.3 to 20
-0.3 to 20
-0.3 to 20
-0.3 to VCC
-0.3 to VCC
-0.3 to 20
-0.3 to 20
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
Datasheet
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/36
TSZ02201-0F1F0C100030-1-2
11.Jul.2012 Rev.001