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BD9415FS-E2 Datasheet(PDF) 2 Page - Rohm

Part # BD9415FS-E2
Description  White LED Driver for 4Ch Large LCD Panels (DC/DC converter type)
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD9415FS-E2 Datasheet(HTML) 2 Page - Rohm

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TSZ02201-0F2F0C100140-1-2
© 2015 ROHM Co., Ltd. All rights reserved.
23.May.2016 Rev.001
www.rohm.com
TSZ22111・15・001
BD9415FS
1.3 Pin Configuration
VCC
FAILB
REG90
N
STB
PGND
CS
OVP
S1
LED1
S2
G1
LED2
G2
S3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
LED3
G3
S4
LED4
G4
SSFB
RT
VREF
LSP
AGND
15
16
DUTYON
UVLO
32
31
30
29
DUTYP
PWM2
PWM1
PWM4
PWM3
Figure 3. Pin Configuration
1.4 Pin Descriptions
Pin
No.
Pin Name
Function
Pin
No.
Pin
Name
Function
1
VCC
Power supply terminal
32
AGND
Analog GND
2
FAILB
Error detection output pin (open drain)
31
SSFB
Soft start pin & Error amplifier pin
3
UVLO
Under voltage lockout detection pin
30
RT
DC/DC switching frequency setting pin
4
REG90
9.0V output voltage pin
29
DUTYP
Over voltage protection setting pin
5
STB
IC ON/OFF pin
28
PWM4
LED4 External PWM dimming signal input pin
6
N
DC/DC switching output pin
27
PWM3
LED3 External PWM dimming signal input pin
7
PGND
Power GND
26
PWM2
LED2 External PWM dimming signal input pin
8
CS
DC/DC output current detect pin,
OCP input pin
25
PWM1
LED1 External PWM dimming signal input pin
9
DUTYON
Over duty protection ON/OFF pin
24
LSP
LED short voltage setting pin
10
OVP
Over voltage protection detection pin
23
VREF
Analog dimming signal input pin
11
S1
CH1 current detection input pin
22
G4
CH4 dimming signal output pin
12
LED1
CH1 LED output pin
21
LED4
CH4 LED output pin
13
G1
CH1 dimming signal output pin
20
S4
CH4 current detection input pin
14
S2
CH2 current detection input pin
19
G3
CH3 dimming signal output pin
15
LED2
CH2 LED output pin
18
LED3
CH3 LED output pin
16
G2
CH2 dimming signal output pin
17
S3
CH3 current detection input pin


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