A8437 Ver la hoja de datos (PDF) - Allegro MicroSystems
Número de pieza
componentes Descripción
Fabricante
A8437 Datasheet PDF : 22 Pages
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A8437
Mobile Phone Xenon Photoflash Capacitor Charger
with IGBT Driver
Common Parameters
Symbol Parameter Units/Division
C1
VOUT
50 V
C2
VBAT
1V
C3
IIN
100 mA
t
time
200 ms
Conditions Parameter
Value
VBATT
COUT
3.6 V
20 μF
Performance Characteristics
Charging Time at Various Peak Current Levels
VOUT
C1
VBAT
C2
Conditions Parameter
Value
C1
RSET
26.7 kΩ
C2
ISWlim
≈1.2 A
C3
IIN
C3
t
VOUT
C1
VBAT
C2
Conditions Parameter
Value
C1
RSET
33.2 kΩ
C2
ISWlim
≈1.0 A
C3
IIN
C3
t
VOUT
C1
VBAT
C2
Conditions Parameter
Value
C1
RSET
ISWlim
39 kΩ
≈0.9 A
C2
C3
IIN
C3
t
Allegro MicroSystems, Inc.
7
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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