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BD9483F View Datasheet(PDF) - ROHM Semiconductor

Part Name
Description
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BD9483F Datasheet PDF : 32 Pages
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BD9483F,FV
Datasheet
1.2 Electrical Characteristics 2(Unless otherwise specified, Ta=25°CVCC=24V)
Parameter
Symbol
Min.
Limit
Typ.
Max.
LED protection block
LED OCP detect voltage
MAX duty detect voltage
Dimming block
VLEDOCP
2.88
3.0
3.12
VFBMAX
3.84
4.0
4.16
ADIM pin leak current
ISENSE pin leak current
DIMOUT source on-resistance
ILADIM
-2
IL_ISENSE
-2
RONSO
4.0
0
2
0
2
8.0
16.0
DIMOUT sink on-resistance
REG90 block
RONSI
2.5
5.0
10.0
REG90 output voltage
REG90 available current
REG90_UVLO detect voltage
VREG90
8.91
9.00
9.09
|IREG90|
15
-
-
REG90_TH
5.4
6.0
6.6
REG90_UVLO hysteresis
REG90_HYS
250
500
750
REG90 discharge resistance
STB block
REG90_DIS
325
500
675
STB pin HIGH voltage
STBH
2.0
-
35
STB pin LOW voltage
STB pull down resistor
PWM block
STBL
ISTB
-0.3
-
0.8
600
1000
1400
PWMx pin HIGH Voltage
PWM_H
2.0
-
5.5
PWMx pin LOW Voltage
PWMx pin Pull Down resistance
FAIL block (OPEN DRAIN)
PWM_L
RPWM
-0.3
-
0.8
600
1000
1400
FAILB pin on-resistance
FAILB pin leak current
CP detect voltage
CP charge current
RFAIL
ILFAIL
VCP
ICP
250
500
1000
-2
0
2
2.85
3.0
3.15
2.7
3.0
3.3
Unit
Condition
V VISENSE=SWEEP UP
V VFB=SWEEP UP
μA VADIM=2.0V
μA VISENSE=4V
ION=-10mA
ION=10mA
V IO=0mA,VCC>11V
mA
V REG90=SWEEP DOWN
VSTB=H->L,
mV REG90=SWEEP UP
VSTB=H->L,
kREG90=9.0V
V VSTB=SWEEP UP
V VSTB=SWEEP DOWN
kVSTB=3.0V
V VPWM=SWEEP UP
V VPWM=SWEEP DOWN
kVPWM=3.0V
VFAIL=1.0V
μA VFAIL=15V
V VCP=SWEEP UP
μA
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TSZ2211115001
4/29
TSZ02201-0F1F0C100100-1-2
28.Nov.2013 Rev.003
 

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