AS3644 - Ultra Small Low Cost 320mA Inductive

Product Overview

austriamicrosystems

Part number	AS3644
Manufacturer	austriamicrosystems
File Size	1.45 MB
Description	Ultra Small Low Cost 320mA Inductive
Datasheet	AS3644 Datasheet
Additional preview pages of the AS3644 datasheet.

The AS3644 is an inductive high efficient DCDC step up converter driving a current source.

Total flash driver solution only 11mm2.
High efficiency 4MHz fixed frequency DCDC Boost converter with soft start allows small coils.
LED currents 260mA to 320mA flash current (20mA steps) 51.6mA or 72.3mA Assist light (=torch) current.
Flash LED(s) cathode connected to ground: Improved thermal performance (ground = heat sink) Simplified PCB layout.
Adjustable Flash Timer 30ms to 480ms in 30ms steps.
Flash, Torch, Assist and Indicator Mode.
Protection function.

📁 Similar Datasheet

AS3649 - 2500mA High Current LED Flash Driver (ams)
AS3630 - 8A Supercap Flash Driver (ams)
AS3661 - Programmable 9-channel LED Driver (austria microsystems)
AS3665 - 9 Channel Advanced Command Driven RGB/White LED Driver (austria microsystems)
AS3668 - 4 Channel Breathlight Controller (austria microsystems)
AS3685A - Ultra Small High Efficiency 1000mA Charge Pump (ams)
AS3685B - Ultra Small High Efficiency 1000mA Charge Pump (ams)
AS3691 - 4 Precision 400mA Current Sources (austriamicrosystems AG)

Other Datasheets by austriamicrosystems

Published: Feb 19, 2016 |