零件编号
SC622
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生产厂家
Semtech Corporation
SC622 数据手册 ( 数据表 ) - Semtech Corporation
Semtech Corporation
Description
The SC622 is a high effi ciency charge pump LED driver using Semtech’s proprietary mAhXLifeTM
technology. Performance is optimized for use in single-cell Li-ion battery applications.
The charge pump provides continuous or bursted current to a flash LED using a dedicated flash driver current sink. The load and supply conditions determine whether the charge pump operates in 1x, 1.5x, or 2x mode. A flash timeout feature disables the flash if active for longer than 1 second. The SC622 also provides two low-dropout, low noise linear regulators for powering a camera module or other peripheral circuits.
APPLICATIONs
Cellular phone flash
PDA flash
Camera I/O and core power
零件编号
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生产厂家
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