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BD6581GU
Datasheet
● Absolute Maximum Ratings
All middle size LCD equipments backlight of Notebook PC, portable DVD player, car navigation systems, etc.
Parameter
Terminal voltage 1
Terminal voltage 2
Terminal voltage 3
Power dissipation 1
Operating temperature range
Storage temperature range
Symbol
VMAX1
VMAX2
VMAX3
Pd1
Topr
Tstg
Ratings
7
25
50.5
1100
-30 to +85
-55 to +150
Unit
V
V
V
mW
℃
℃
Condition
TEST, VREG, SENSP, SENSN, SW, RSTB,
PWMPOW, PWMDRV, FAILSEL, ISETH, ISETL
LED1, LED2, LED3, LED4, LED5, LED6, VBAT
VDET
*1
-
-
*1
This value is the measurement value that was mounted on the PCB by ROHM.
Temperature deleting: 8.8mW/ ℃ from Ta>25 ℃
● Recommended Operating Rating (Ta=-30 ℃ to +85 ℃ )
Parameter Symbol
Limits
Min. Typ.
Max.
Unit
Condition
Power supply voltage
VBAT
2.7
12.0
22.0
V
● Electrical Characteristic
(Unless otherwise specified, VBAT=12V, RSTB=2.5V, Ta = +25 ℃ )
Parameter Symbol
Limits
Min. Typ. Max.
Unit
Condition
[FAILSEL,PWMDRV Terminal]
EN threshold voltage (Low)
VthL
0
-
0.2
V
EN threshold voltage (High) 1
EN threshold voltage (High) 2
EN terminal input current
VthH1
VthH2
Iin
1.4
1.4
-
-
-
8.3
5.0
VBAT
14.0
V
V
μA
VBAT>5.0V
VBAT<5.0V
Input=2.5V
[PWMPOW Terminal]
Low Input Voltage range
PWML
0
-
0.2
V
High Input Voltage range1
High Input Voltage range2
PWM pull down resistor
PWMH1
PWMH2
PWMR
1.4
1.4
300
-
-
500
5.0
VBAT
700
V
V
k ?
VBAT>5.0V
VBAT<5.0V
[RSTB Terminal]
Low Input Voltage range
RSTBL
0
-
0.2
V
High Input Voltage range1
High Input Voltage range2
Current Consumption
RSTBH1
RSTBH2
IRSTB
2.25
2.25
-
2.5
2.5
89
5.0
VBAT
134
V
V
μA
VBAT>5.0V
VBAT<5.0V
RSTB=2.5V, LED1-6=3V
[Regulator]
VREG Voltage
Under Voltage Lock Out
VREG
UVLO
4.0
2.05
5.0
2.25
6.0
2.65
V
V
No load
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
2/32
TSZ02201-0G3G0C400170-1-2
03.Dec.2012 Rev.001
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