參數(shù)資料
型號: A8439
廠商: Allegro MicroSystems, Inc.
英文描述: Photoflash Capacitor Charger with IGBT Driver and Refresh
中文描述: 照相閃光燈電容充電器與IGBT驅(qū)動器和刷新
文件頁數(shù): 4/12頁
文件大小: 537K
代理商: A8439
A8439-DS, Rev. 1
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Photoflash Capacitor Charger with IGBT Driver
A8439
4
Performance Characteristics
Tests performed using application circuit shown in figure 8
with I
SWLIM
set to 1.4A (Single rising edge on CHARGE pin), unless otherwise noted
Charging Waveforms
Symbol
C1
C4
t
Conditions
Parameter
V
OUT
I
BATT(Avg)
time
Parameter
V
BATT
V
BIAS
C
OUT
Units/Division
50 V
200 mA
1 s
Value
2.5 V
3.3 V
100
μ
F
Symbol
C1
C4
t
Conditions
Parameter
V
OUT
I
BATT(Avg)
time
Parameter
V
BATT
V
BIAS
C
OUT
Units/Division
50 V
200 mA
1 s
Value
3.6 V
3.3 V
100
μ
F
Symbol
C1
C4
t
Conditions
Parameter
V
OUT
I
BATT(Avg)
time
Parameter
V
BATT
V
BIAS
C
OUT
Units/Division
50 V
200 mA
1 s
Value
4.2 V
3.3 V
100
μ
F
t
I
BATT
V
OUT
C4
C1
t
I
BATT
V
OUT
C4
C1
t
I
BATT
V
OUT
C4
C1
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