BD9285F ROHM [Rohm], BD9285F Datasheet - Page 4

• Manufacturer Part Number: BD9285F
• Description: Boost 1channel white LED driver For large LCDs
• Manufacturer: ROHM [Rohm]

●1.2 Electrical character (Unless otherwise specified Ta=25℃，VCC=12V)
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© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
BD9285F
【 【 【 【 LED protection block】 】 】 】
LED OCP detect voltage
LED OPEN detect voltage
【 【 【 【 Analog dimming block】 】 】 】
ADIM_P pin HIGH voltage
ADIM_P pin LOW voltage
ADIM_P
voltage
ADIM_P
resistance
ADIM pin output voltage H
ADIM pin output voltage L
ADIM pin output resistance
ADIM pin leak current
ISENSE pin leak current
【 【 【 【 Dimming signal output block】 】 】 】
DIMOUT
on-resistance
DIMOUT sink on-resistance
【 【 【 【 TC54 block】 】 】 】
TC54 output voltage
TC54 available current
TC54_UVLO detect voltage
TC54_UVLO hysteresis
TC54 discharge current
【 【 【 【 STB block】 】 】 】
STB pin HIGH voltage
STB pin LOW voltage
STB pin input current
【 【 【 【 PWM block】 】 】 】
PWMｘ pin HIGH Voltage
PWMｘ pin LOW Voltage
PWM ｘ
resistance
【 【 【 【 FAIL block (OPEN DRAIN)】 】 】 】
FAILB pin on-resistance
FAILB pin leak current
Parameter
pin
pin
pin
input
Pull
pull-down
source
Down
mask
ADIM_PPU
IL_ISENSE
TC54_HYS
VLEDOCP
TC54_DIS
ADIM_PH
RADIM_P
ADIM_PL
TC54_TH
Symbol
PWM_H
RONSO
PWM_L
VOPEN
ADIMH
ADIMR
ILADIM
|ITC54|
RONSI
VTC54
RPWM
ADIML
ILFAIL
RFAIL
STBH
STBL
ISTB
3.201
2.232
Min.
0.05
0.75
-0.3
130
100
-0.3
-0.3
130
3.8
2.0
4.2
6.6
6.0
1.7
5.2
2.2
2.0
2.0
50
-2
-2
-2
5
-
Limit
Typ.
0.10
3.30
12.0
200
100
200
4.0
0.0
3.5
5.4
2.4
3.0
1.5
10
10
0
0
0
-
-
-
-
-
-
-
-
4/36
3.399
2.568
Max.
0.15
0.05
24.0
300
200
300
4.2
3.8
0.8
5.6
7.0
5.6
0.8
4.5
5.0
0.8
3.0
15
15
19
2
2
2
-
Unit
μA
μA
μA
μA
μA
μA
kΩ
kΩ
mV
kΩ
kΩ
Ω
Ω
V
V
V
V
V
V
V
V
V
V
V
V
V
VISENSE=SWEEP UP
VISENSE=SWEEP DOWN
VADIM_P=3.0V
ADIM_P=3.3V
ADIM_P=0.0V
VADIM=4V, ADIM_P=5.0V
VISENSE=4V
ION=-10mA
ION=10mA
IO=0mA
VSTB=H, TC54=SWEEP DOWN
VSTB=H->L, TC54=SWEEP UP
VSTB=H->L, TC54=4V
VSTB=SWEEP UP
VSTB=SWEEP DOWN
VSTB=3.0V
VPWMｘ=SWEEP UP
VPWMｘ=SWEEP DOWN
VPWMｘ=3.0V
VFAIL=1.0V
VFAIL=15V
TSZ02201-0F1F0C100030-1-2
Condition
11.Jul.2012 Rev.001
Datasheet