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BD9488F Datasheet(PDF) 5 Page - Rohm

Part # BD9488F
Description  Boost 1channel white LED driver For large LCDs
Download  42 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD9488F Datasheet(HTML) 5 Page - Rohm

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TSZ02201-0F1F0C100040-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
27.May 2014 Rev.003
www.rohm.com
TSZ22111・15・001
BD9488F
●1.3 Pin number, pin name, pin function
No.
name
IN/OUT
function
rating[V]
1
OVP
In
Over voltage protection detection pin
-0.3 to 7
2
UVLO
In
Under voltage lock out detection pin
-0.3 to 7
3
SS
Out
Slow start setting pin
-0.3 to 7
4
RT
Out
For DC/DC switching frequency setting pin
-0.3 to 7
5
PWM1
In
External PWM dimming signal input pin1
-0.3 to 20
6
PWM2
In
External PWM dimming signal input pin2
-0.3 to 20
7
FAILB
Out
Abnormality detection output pin
-0.3 to 20
8
ADIM
In/Out
ADIM signal input-output pin
-0.3 to 20
9
ADIM_P
In
ADIM pulse signal input pin
-0.3 to 20
10
GND
-
-
11
DIMOUT
Out
Dimming signal pin for driving MOSFET
-0.3 to VCC
12
GATE
Out
DC/DC switching output pin
-0.3 to VCC
13
STB
In
IC On/OFF pin
-0.3 to VCC
14
VCC
-
Power supply pin
-0.3 to 20
15
ISENSE
In
Current detection input pin
-0.3 to 7
16
FB
In/Out
Error amplifier output pin
-0.3 to 7
17
CS
In
DC/DC output current detect pin,
OCP input pin
-0.3 to 7
18
TC54
Out
5.4V output pin, shutdown timer pin
-0.3 to 7


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