BD9483F Datasheet, PDF (5/32 Pages) Rohm – White LED Driver for large LCD Panels (DCDC Converter type)

BD9483F,FV
●1.3 Pin Descriptions
Pin No
Pin Name
1
VCC
2
STB
3
CS1
4
GATE1
5
GND1
6
DIMOUT1
7
ISENSE1
8
FB1
9
ADIM
10
PWM1
11
PWM2
12
FAILB
13
RT
14
OVP
15
SS
16
CP
17
UVLO
18
FB2
19
ISENSE2
20
DIMOUT2
21
GND2
22
GATE2
23
CS2
24
REG90
●1.4.1 Pin ESD Type1
OVP
Datasheet
In/Out
Function
-
Power supply pin
In
IC ON/OFF pin
In
DC/DC output current detect pin for ch1,OCP input pin for ch1
Out DC/DC switching output pin for ch1
-
Ground for ch1
Out Dimming signal output for NMOS for ch1
In
Current detection input pin for ch1
Out Error amplifier output pin for ch1
In
ADIM signal input-output pin
In
External PWM dimming signal input pin ch1
In
External PWM dimming signal input pin ch2
Out Abnormality detection output pin
Out For DC/DC switching frequency setting pin
In
Over voltage protection detection pin
Out Slow start setting pin
Out Charge timer for abnormal state.
In
Under voltage lock out detection pin
Out Error amplifier output pin for ch2
In
Current detection input pin for ch2
Out Dimming signal output for NMOS for ch2
-
Ground for ch2
Out DC/DC switching output pin for ch2
In
DC/DC output current detect pin for ch2,OCP input pin for ch2
Out 9.0V output voltage
Rating
[V]
-0.3 to 36
-0.3 to 36
-0.3 to 7
-0.3 to 14
-
-0.3 to 14
-0.3 to 7
-0.3 to 7
-0.3 to 20
-0.3 to 20
-0.3 to 20
-0.3 to 36
-0.3 to 7
-0.3 to 20
-0.3 to 7
-0.3 to 7
-0.3 to 20
-0.3 to 7
-0.3 to 7
-0.3 to 14
-
-0.3 to 14
-0.3 to 7
-0.3 to 14
UVLO
SS
100k
5V
OVP
UVLO
50k
5V
RT
PWM1 / PWM2
100k
5V
1M
PWMx
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© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
Figure 5. Pin ESD Type
5/29
ADIM
TSZ02201-0F1F0C100100-1-2
28.Nov.2013 Rev.003