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AS3635

austriamicrosystems
Part Number AS3635
Manufacturer austriamicrosystems
Description Xenon Flash Driver
Published Feb 18, 2015
Detailed Description Technical coantmesntAsGtill valid Datasheet AS3635 Xenon Flash Driver with 5V IGBT Control 1 General Description The ...
Datasheet PDF File AS3635 PDF File

AS3635
AS3635

Overview
Technical coantmesntAsGtill valid Datasheet AS3635 Xenon Flash Driver with 5V IGBT Control 1 General Description The AS3635 is a highly integrated photoflash charger with build in IGBT driver.
A build in 5V charge-pump guaranties constant IGBT drive at any battery voltage.
The build in timer turns off the charge-pump 20 seconds after charging.
In circuit fuse trimming allows to set the voltage on the photoflash capacitor to ±3% accuracy.
The AS3635 is available in a space-saving WL-CSP package measuring only 1.
5mm x 1.
5mm and operates over the -30ºC to +85ºC temperature range.
Warning: Lethal voltages are present on applications using AS3635! Do not operate without training to handle high voltages.
Figure 1.
Typical Operating Circuit 2 Key Features Build in 5V charge-pump for IGBT gate drive Photoflash voltage accuracy programmable to ±3% (in circuit One Time Programmable - OTP) Trip voltage accuracy ±1.
5% Small Size 1.
5mm x 1.
5mm x 0.
6mm PCB: No microvias need Average input current < 320mA Few external components - No Schottky-Diode needed - No output voltage divider needed Reliable Flash on/off for IGBT timing.
Charge time < 4sec @ Vbat>2.
7V, CFLASH =22µF Charge complete indicator Undervoltage lockout Available in a tiny WL-CSP Package 3x3 balls 0.
5mm pitch, 1.
5x1.
5mm package size 3 Applications Xenon Flash driver for mobile phones, PDA and DSC # # +5 "#$% &'% #(" #     !   (.
'  "#$%  "#$% + #(" 5 6- #(",- $$ 34 $ -- 07)0 *1* $ /#%  #(" %'&' )0!1 2  '    )*+   AS3635 www.
austriamicrosystems.
com/AS3635 (ptr) 1.
4-8 1 - 20 Technical coantmesntAsGtill valid AS3635 Datasheet - Pinout 4 Pinout Pin Assignment Figure 2.
Pin Assignments (Top Through View)             4"  3" '  5   3"                        0" 6 #" , 1  "20* ...


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