参数资料
型号: BD6581GU-E2
厂商: Rohm Semiconductor
文件页数: 3/35页
文件大小: 0K
描述: IC LED DVR WHT BCKLGHT VCSP85H2
标准包装: 3,000
拓扑: PWM,升压(升压)
输出数: 6
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 800kHz ~ 1.2MHz
电源电压: 2.7 V ~ 22 V
输出电压: 44.7 V
安装类型: 表面贴装
封装/外壳: 23-VFBGA,CSPBGA
供应商设备封装: VCSP85H2
包装: 带卷 (TR)
工作温度: -30°C ~ 85°C
BD6581GU
● Electrical Characteristic – continued
(Unless otherwise specified, VBAT=12V, RSTB=2.5V, Ta = +25 ℃ )
Datasheet
Parameter Symbol
Limits
Min. Typ. Max.
Unit
Condition
[Switching Regulator]
Quiescent Current 1
Quiescent Current 2
Current Consumption
LED Control voltage
Over Current Limit voltage
SBD Open Protect
Switching frequency
Duty cycle limit
Over voltage limit
Iq1
Iq2
Idd
VLED
Ocp
Sop
fSW
Duty
Ovl
-
-
-
0.4
70
-
0.8
92.5
43.0
0.6
4.6
3.4
0.5
100
-
1.0
95.0
44.7
3.4
10
5.1
0.6
130
0.1
1.2
99.0
46.4
μA
μA
mA
V
mV
V
MHz
%
V
RSTB=0V, VBAT=12V
RSTB=0V, VBAT=22V
VDET=0V,ISETH=24k ?
*1
Detect voltage of VDET pin
LED1-6=0.3V
LED1-6=0.3V
[Current driver]
LED maximum current
ILMAX
-
-
25
mA
LED current accuracy
LED current matching
ISET voltage
LED current limiter
ILACCU
ILMAT
Iset
ILOCP
-
-
0.5
35
-
-
0.6
60
±3
±1.5
0.7
90
%
%
V
mA
ILED=16mA
Each LED current/Average (LED1- 6)
ILED=16mA
Current limit value at ISET
resistance 4.7k ? setting
LED1, 2, 3, 4, 5, 6=0.5V
LED Terminal Over Voltage Protect LEDOVP
10.0
11.5
13.0
V
RSTB=PWMDRV=2.5V
*1
This parameter is tested with dc measurement.
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
3/32
TSZ02201-0G3G0C400170-1-2
03.Dec.2012 Rev.001
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