参数资料
型号: ISL97631IHTZ-T7A
厂商: Intersil
文件页数: 7/8页
文件大小: 0K
描述: IC LED DRIVR WHITE BCKLGT TSOT-6
标准包装: 250
拓扑: PWM,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 800kHz ~ 1.8MHz
电源电压: 2.7 V ~ 5.5 V
输出电压: 27V
安装类型: 表面贴装
封装/外壳: SOT-23-6 细型,TSOT-23-6
供应商设备封装: TSOT-23-6
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
ISL97631
PCB Layout Considerations
The layout is very important for the converter to function
properly. R SET must be located as close as possible to the FB
and GND pins. Longer traces to the LEDs are OK. Similarly,
the supply decoupling cap and the output filter cap should be
as close as possible to the V IN and V OUT pins.
The heat of the IC is mainly dissipated through the GND pin.
Maximizing the copper area connected to this pin is
preferable. In addition, a solid ground plane is always helpful
for the EMI performance.
The demo board is a good example of layout based on the
principle. Please refer to the ISL97631 Application Brief for
the layout.
7
FN7370.1
December 21, 2005
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