a8438eej-t Allegro MicroSystems, Inc., a8438eej-t Datasheet - Page 8

• Manufacturer Part Number: a8438eej-t
• Description: A8438 Photoflash Capacitor Charger With Igbt Driver
• Manufacturer: Allegro MicroSystems, Inc.

A8438
Charging Waveforms: 140 μF photoflash capacitor
Conditions
Conditions
Symbol
Symbol
C1
C4
C1
C4
Tests performed using application circuit shown in figure 4 (unless otherwise noted)
t
t
Parameter Units/Division
Parameter
Parameter Units/Division
Parameter
I
I
BATT(Avg)
BATT(Avg)
V
V
V
V
V
C
V
C
time
time
I
I
I
I
BATT
AVG
BATT
AVG
BIAS
LIM
BIAS
LIM
OUT
OUT
OUT
OUT
200 mA
770 mA
200 mA
820 mA
Performance Characteristics
140 μF
140 μF
Value
Value
2.0 V
3.3 V
2.0 V
3.3 V
1.8 A
2.0 A
50 V
50 V
1 s
1 s
Photoflash Capacitor Charger with IGBT Driver
C4
C1
C4
C1
t
t
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
I
I
BATT
BATT
V
V
OUT
OUT
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