One LED Flash LED Driver for Audio
使用 onsemi 的 NCP1422MNR2 的参考设计
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依据最终产品
- Audio
- Digital Camcorder
- Digital Camera
- Digital Still Camera (DSC)
- Personal Digital Assistant
说明
- Circuit shows a Focus/Flash application where the NCP1422 drives one LED at 200 and 600mA. An external MOSFET changes the R4 resistance to vary the LED current. 50 ms pulses were used for this design
主要特色
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Output Current0.2|0.6 A
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Number of Derived Elements1
Featured Parts (1)
| 零件编号 | 供应商 | 类别 | 说明 | |||
|---|---|---|---|---|---|---|
|
NCP1422MNR2G | onsemi | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 1V to 5V Synchronous Step Up Single-Out 1.5V to 5V 0.8A 10-Pin DFN EP T/R | 买入 | |