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SC622A

Semtech Corporation
Part Number SC622A
Manufacturer Semtech Corporation
Description LED Light Management Unit Charge Pump
Published Dec 22, 2009
Detailed Description SC622A LED Light Management Unit POWER MANAGEMENT Features „ „ „ „ „ „ „ „ „ „ „ „ Charge Pump, 400mA Flash LED, Dual L...
Datasheet PDF File SC622A PDF File

SC622A
SC622A

Overview
SC622A LED Light Management Unit POWER MANAGEMENT Features „ „ „ „ „ „ „ „ „ „ „ „ Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface Description The SC622A is a high efficiency 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 flashtimeout feature disables the flash if active for longer than 1 second.
The SC622A also provides two low-dropout, low-noise linear regulators ...


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