BD9479FV ROHM [Rohm], BD9479FV Datasheet - Page 5

• Manufacturer Part Number: BD9479FV
• Description: White LED Driver for large LCD Panels (DCDC Converter type)
• Manufacturer: ROHM [Rohm]

●Pin Descriptions
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© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
BD9479FV
Pin No
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5
6
7
8
9
Pin Name
REG50
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
PGND
AGND
VREF
UVLO
OVP
FAIL
VCC
LSP
STB
BS1
BS2
BS3
BS4
BS5
BS6
BS7
BS8
CL8
CL7
CL6
CL5
CL4
CL3
CL2
CL1
CS
CP
SS
RT
FB
N
In/Out
In/Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
-
-
-
5V regulator output for N output pin
DC/DC switching output pin
Power GND
DCDC external NMOS current monitor pin
Overvoltage protection detection pin
Timer Latch setting pin
LED short voltage setting pin
Enable pin
PNP Tr Base connecting pin１
PNP Tr Base connecting pin２
PNP Tr Base connecting pin３
PNP Tr Base connecting pin４
PNP Tr Base connecting pin５
PNP Tr Base connecting pin６
PNP Tr Base connecting pin７
PNP Tr Base connecting pin８
Dimming signal input pin１
Dimming signal input pin２
Dimming signal input pin３
Dimming signal input pin４
Dimming signal input pin５
Dimming signal input pin６
Dimming signal input pin７
Dimming signal input pin８
PNP Tr collector ・current detection pin８
PNP Tr collector ・current detection pin７
PNP Tr collector ・current detection pin６
PNP Tr collector ・current detection pin５
PNP Tr collector ・current detection pin４
PNP Tr collector ・current detection pin３
PNP Tr collector ・current detection pin２
PNP Tr collector ・current detection pin１
LED voltage setting pin
DCDC phase-compensation pin
Soft Start pin
DCDC frequency setting resistor connection pin
Under voltage Lockout protection pin
Analog GND
Error detection output pin
Power supply pin
5/26
Function
TSZ02201-0F1F0C100020-1-2
9.Aug.2012 Rev.001
Rating [V]
Datasheet
-0.3 ~ 20
-0.3 ~ 20
-0.3 ~ 40
-0.3 ~ 40
-0.3 ~ 40
-0.3 ~ 40
-0.3 ~ 40
-0.3 ~ 40
-0.3 ~ 40
-0.3 ~ 40
-0.3 ~ 20
-0.3 ~ 20
-0.3 ~ 20
-0.3 ~ 20
-0.3 ~ 20
-0.3 ~ 20
-0.3 ~ 20
-0.3 ~ 20
-0.3 ~ 20
-0.3 ~ 20
-0.3 ~ 36
-0.3 ~ 36
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-
-