参数资料
型号: BD8112EFV-ME2
厂商: Rohm Semiconductor
文件页数: 12/25页
文件大小: 0K
描述: IC LED DRIVER 24-VSSOP
应用说明: Automotive Applications
标准包装: 1
恒定电流:
拓扑: 高端,低端,PWM,降压(降压),升压(升压)
输出数: 2
内部驱动器: 两者兼有
类型 - 主要: 车载,背光
类型 - 次要: 高亮度 LED(HBLED),白色 LED
频率: 250kHz ~ 600kHz
电源电压: 5 V ~ 30 V
安装类型: 表面贴装
封装/外壳: 24-VSSOP(0.220",5.60mm 宽)裸露焊盘
供应商设备封装: 24-HTSSOP
包装: 标准包装
工作温度: -40°C ~ 105°C
其它名称: BD8112EFV-ME2DKR
BD8112EFV-M
● Procedure for external components selection
Follow the steps as shown below for selecting the external components
Technical Note
1.
Work out IL_MAX from the operating conditions.
2.
Select the value of RSC such that IOCP > IL_MAX
Feedback the value of L
3.
Select the value of L such that 0.05[V/μs] <
Vout
L
*RCS < 0.3[V/ μs]
4.
5.
6.
7.
8.
9.
Select coil, schottky diodes, MOSFET and RCS which meet with the ratings
Select the output capacitor which meets with the ripple voltage requirements
Select the input capacitor
Work on with the compensation circuit
Work on with the Over-Voltage Protection (OVP) setting
Work on with the soft-start setting
10.
erify experimentally
www.rohm.com
? 2010 ROHM Co., Ltd. All rights reserved.
12/22
2011.08 - Rev.C
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