A8437 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
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A8437 Datasheet PDF : 22 Pages
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A8437
Mobile Phone Xenon Photoflash Capacitor Charger
with IGBT Driver
Functional Block Diagram
VIN
VSW – VBAT
ISET
ISET Buffer
VDSref
DCM
Detector
OCP
ton(max)
18 μs
REG
CHARGE
TRIGGER1
TRIGGER2
1.2 V
0.96 V
toff(max)
18 μs
HmL
Triggered Timer
SQ
RQ
Control Logic
SQ
RQ
Enable
SW
DMOS
DONE
VIN
VIN
GSOURCE
GATE
GSINK
EJ Package
GND
CG Package
GND
Allegro MicroSystems, Inc.
3
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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