BD9479FV ROHM [Rohm], BD9479FV Datasheet - Page 4

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

●Electrical Characteristics (Unless otherwise noted, Ta = 25
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© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
BD9479FV
[LED protection Block]
LED OPEN Detect Voltage
LED SHORT Detect Voltage
CL pin Detect Voltage
LSP pin pull high resistor
LSP pin pull down resistor
[REG50 Block]
REG50 output Voltage
REG50 maximum output current
[STB Block]
STB pin HIGH Voltage
STB pin LOW Voltage
STB pin Pull Down resistor
[PWM input Block]
PWMx pin High detect voltage
PWMx pin Low detect voltage
PWMx pin Pull Down resistor
[FAIL Block(OPEN DRAIN)]
FAIL pin Ron
FAIL pin Leakage current
(This product is not designed to be radiation-proof.)
Parameter
|IREG50|
VCLLVP
Symbol
PWM_H
VOPEN
PWM_L
RULSP
RDLSP
REG50
RPWM
ILFAIL
STBH
RSTB
RFAIL
VLSP
STBL
1260
Min.
0.05
0.05
4.95
540
-0.3
-0.3
-1.0
8.5
2.0
0.5
2.0
0.5
30
5
4/26
o
C, VCC=24V)
Limit
2100
Typ.
0.10
0.10
5.00
900
9.0
1.0
1.0
0.0
50
-
-
-
-
-
Max.
3180
1620
VCC
0.15
0.15
5.05
9.5
0.8
2.0
0.8
2.0
1.0
18
85
-
Unit
mA
MΩ
MΩ
kΩ
kΩ
uA
Ω
V
V
V
V
V
V
V
V
TSZ02201-0F1F0C100020-1-2
BSx=SWEEP DOWN
BSx=SWEEP UP,
LSP=OPEN
LSP=0V
LSP=3V
Io=-5mA
※DCDC block consumption
is neglected.
STB=SWEEP UP
STB=SWEEP DOWN
STB=3.0V
PWM=SWEEP UP
PWM=SWEEP DOWN
PWM=3.0V
FAIL=36V
9.Aug.2012 Rev.001
Condition
Datasheet