AS3647-austriamicrosystems.pdf
Datasheet Details
Part number:
AS3647B, AS3647
Manufacturer:
austriamicrosystems
File Size:
3.54 MB
Description:
1600ma high current led flash driver.
Note:
This datasheet PDF includes multiple part numbers: AS3647B, AS3647.
Please refer to the document for exact specifications by model.
AS3647B, AS3647, 1600mA High Current LED Flash Driver
The AS3647/47B is an inductive high efficient DCDC step up converter with two current sinks.
The DCDC step up converter operates at a fixed frequency of 4MHz and includes soft startup to allow easy integration into noise sensitive RF systems.
The two current sinks can operate in flash / torch / assi
AS3647B Features
* High efficiency 4MHz fixed frequency DCDC Boost converter with soft start allows small coils - Stable even in coil current limit
* LED current adjustable up to 1600mA
* Automatic current adjustment for low battery voltage
* PWM operation for lower output current for reliable light
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