BD9394FP Datasheet, PDF (5/31 Pages) Rohm – White LED Driver for large LCD Panels (DCDC Converter type)

BD9394FP, BD9394EFV
Datasheet
●Pin Descriptions (BD9394FP)
Pin No
Pin Name
In/Out
1
AUTO
Out
2
REG58
Out
3
CS
In
4
N
In
5
DCDC_GND
-
FIN1
GND
-
6
LSP
In
7
OVP
In
8
LED1
Out
9
LED2
Out
10
LED_GND
-
11
STB
In
12
LED3
Out
13
LED4
Out
14
PWM
In
15
ISET
Out
FIN2
GND
-
16
SS
Out
17
FB
In/Out
18
RT
Out
19
NADIM
In
20
VCC
In
●Pin Descriptions (BD9394EFV)
Pin No
Pin Name
In/Out
1
AUTO
Out
2
REG58
Out
3
CS
In
4
N
In
5
DCDC_GND
-
6
LSP
In
7
OVP
In
8
LED1
Out
9
LED2
Out
10
N.C.
-
11
LED_GND
-
12
N.C.
-
13
STB
In
14
LED3
Out
15
N.C.
-
16
LED4
Out
17
PWM
In
18
ISET
Out
19
GND
-
20
SS
Out
21
FB
In/Out
22
RT
Out
23
NADIM
In
24
GND
-
Function
Auto-restart time setting pin
Power supply for N pin
DC/DC output current detection and OCP detection pin
DC/DC switching output pin
Power GND pin
Analog GND pin
LED Short detection voltage setting resistor connection pin
Overvoltage protection detection pin
Output pin 1 for LED
Output pin 2 for LED
Ground pin for LED
Enable pin
Output pin 3 for LED
Output pin 4 for LED
External PWM light modulation signal input pin for LED1-4
LED current setting resistor connection pin
Analog GND pin
Soft start pin / LED protection masking time setting pin.
Error amp output pin
DC/DC drive frequency setting resistor connection pin.
Analog dimming DC voltage input pin
Power supply pin
Function
Auto-restart time setting pin
Power supply for N pin
DC/DC output current detection and OCP detection pin
DC/DC switching output pin
Power GND pin
LED Short detection voltage setting resistor connection pin
Overvoltage protection detection pin
Output pin 1 for LED
Output pin 2 for LED
Unconnected pin.
Ground pin for LED
Overvoltage protection detection pin.
Enable pin
Output pin 3 for LED
DC/DC switching output pin.
Output pin 4 for LED
External PWM light modulation signal input pin for LED1-4
LED current setting resistor connection pin
Analog GND pin
Soft start pin / LED protection masking time setting pin.
Error amp output pin
DC/DC drive frequency setting resistor connection pin.
Analog dimming DC voltage input pin
Ground pin for analog block.
Rating [V]
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-
-
-0.3 ~ 7
-0.3 ~ 36
-0.3 ~ 60
-0.3 ~ 60
-
-0.3 ~ 36
-0.3 ~ 60
-0.3 ~ 60
-0.3 ~ 36
-0.3 ~ 7
-
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 36
-0.3 ~ 36
Rating [V]
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-
-0.3 ~ 7
-0.3 ~ 36
-0.3 ~ 60
-0.3 ~ 60
-
-
-
-0.3 ~ 36
-0.3 ~ 60
-
-0.3 ~ 60
-0.3 ~ 36
-0.3 ~ 7
-
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ 36
-
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09.Nov.2012 Rev.002