参数资料
型号: BD6142AMUV-E2
厂商: Rohm Semiconductor
文件页数: 7/33页
文件大小: 0K
描述: IC LED DRIVER SGL STEP UP 24QFN
标准包装: 2,500
拓扑: PWM,升压(升压)
输出数: 8
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 1MHz ~ 1.5MHz
电源电压: 4.2 V ~ 27 V
输出电压: 41V
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘
供应商设备封装: VQFN024V4040
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
BD6142AMUV
<Condition>
■ Ta = 25 ℃
■ 10 serial × 8parallel
■ LED Current = 20mA
■ Coil = TDK, LTF5022T-100M1R4-LC
Figure 9. Efficiency
Datasheet
<Condition>
■ Ta = 25 ℃
■ 10 serial × 6parallel
■ LED Current = 20mA
■ Coil = TDK, LTF5022T-100M1R4-LC
Figure 10. Efficiency
● Application example
Figure 11, Figure 12 and Figure 13 are Application examples (15.4inch and 12inch and 10.1inch model). Recommended
schematics and Layout are shown in P22.
7V to 27V
10μF
10μH
2.2μF/50V
2.2μF
VOUT
10 serial x 8 parallel (80pcs)
LX
LX
FAULT
VIN
VDC
2.1V to VIN
2.2M ?
RESET
PWM
f PWM =100Hz~25kHz
ENABLE
PW M
OVP
68k ?
1k ?
22nF
COMP
BD6142AMUV
CH1
CH2
CH3
CH4
CH5
CH6
CH7
PGND
PGND GND
TEST FSET
ABC
ISET
CH8
56k ? 1nF
36k ?
20mA
GND
PGND
Figure 11. BD6142AMUV Application example (8 parallel)
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
7/30
TSZ02201-0G3G0C400340-1-2
03.Dec.2012 Rev.001
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