参数资料
型号: FAN5346S20X
厂商: Fairchild Semiconductor
文件页数: 3/14页
文件大小: 0K
描述: IC LED DVR ASYNC SER BOOST 6SSOT
标准包装: 1
恒定电流:
拓扑: PWM,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 通用
类型 - 次要: 白色 LED
频率: 950kHz ~ 1.35MHz
电源电压: 2.5 V ~ 5.5 V
输出电压: 6.2 V ~ 18.5 V
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: 6-SSOT
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: FAN5346S20XDKR
Pin Configuration
Figure 3. Pin Assignments, Top View
Pin Definitions
Pin #
5
1
4
3
6
2
Name
VOUT
VIN
EN
FB
SW
GND
Description
Boost Output Voltage . Output of the boost regulator. Connect the LEDs to this pin. Connect C OUT
(output capacitor) to GND.
Input Voltage . Connect to the power source and decouple with C IN to GND.
Enable Brightness Control . Program dimming levels by driving pin with the PWM signal.
Voltage Feedback . The boost regulator regulates this pin to 0.250V to control the LED string current.
Tie this pin to a current setting resistor (R SET ) between GND and the cathode of the LED string.
Switching node . Tie inductor L1 from VIN to SW pin.
Ground . Tie directly to a GND plane.
? 2011 Fairchild Semiconductor Corporation
FAN5346 ? Rev. 1.0.1
3
www.fairchildsemi.com
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