參數(shù)資料
型號: A8436
廠商: Allegro MicroSystems, Inc.
英文描述: Photoflash Capacitor Charger with IGBT Driver
中文描述: 照相閃光燈電容充電器采用IGBT驅(qū)動器
文件頁數(shù): 5/12頁
文件大小: 652K
代理商: A8436
A8436-DS, Rev. 2
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Photoflash Capacitor Charger with IGBT Driver
A8436
5
V
OUT
(V)
E
V
BATT
(V)
V
(V)
C
100
150
200
250
300
350
40
50
60
80
70
90
2.0
2
2.5
2.5
3.0
3
3.5
4.0
4.5
5.0
5.5
V
OUT
= 300 V
V
OUT
V
OUT
= 320 V
V
OUT
5.5
6.0
V
BATT
= 4.2 V
V
BATT
= 3.0 V
V
BATT
= 5.0 V
2
4
3
5
7
C
6
8
2
3
4
5
6
7
8
3.5
4
4.5
5
6
Charge Time
V
= 3.3 V, C
= 100
μ
F
Connect VBATT to a separate power supply
Efficiency
V
BATT
= V
BIAS
, T
A
= 25°C
Typical Switching Waveform
Performance Characteristics, continued
Tests performed using application circuit shown in figure 6 (unless otherwise noted)
IGBTDRV
TRIGGER
t
Dr
t
r
t
Df
t
f
50%
10%
90%
50%
10%
90%
IGBT Drive Timing Definition
Symbol
C1
C2
C3
C4
t
Conditions
Parameter
V
OUT
V
SW
V
BATT
I
Primary
time
Parameter
V
OUT
V
BATT
Units/Division
50 V
10 V
5 V
500 mA
2
μ
s
Value
300 V
V
IN
t
V
BATT
V
OUT
C4
C1
C3
C2
V
SW
I
Primary
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