A8426 Просмотр технического описания (PDF) - Allegro MicroSystems
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A8426 Datasheet PDF : 16 Pages
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A8426
High Performance Photoflash Capacitor Charger
with IGBT Driver
Common Parameters
Symbol Parameter Units/Division
C1
VOUT
50 V
C2
VBAT
2V
C3
IIN
250 mA
t
time
500 ms
Conditions Parameter
Value
VIN
3.6 V
VBAT
3.6 V
COUT
100 μF/330 V
Transformer = DCT9.5/5ER, LP = 7 μH, N = 10
Performance Characteristics
Charging Time at Various Peak Current Levels
Conditions Parameter
Value
C1
RSET
25 kΩ
C2
IP
≈3.15 A
C3
tCHARGE= 1.77 s
t
VOUT
C1
VBAT
C2
IIN
C3
VOUT
C1
Conditions Parameter
Value
C1
RSET
30 kΩ
C2
IP
≈2.6 A
C3
tCHARGE= 2.17 s
t
VBAT
C2
IIN
C3
VOUT
C1
Conditions Parameter
Value
C1
RSET
IP
45 kΩ
≈1.8 A
C2
C3
tCHARGE= 3.58 s
t
VBAT
C2
IIN
C3
Allegro MicroSystems, Inc.
6
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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