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| 型号： | A8436EEJTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC PHOTOFLASH CHARGER 10-MLP |
| 标准包装： | 1 |
| 应用： | 照相机闪光灯电容器充电器 |
| 电流 - 电源： | 1.3mA |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN/MLP（3x3） |
| 包装： | 标准包装 |
| 产品目录页面： | 1141 (CN2011-ZH PDF) |
| 其它名称： | 620-1098-6 |
A8436
Photoflash Capacitor Charger with IGBT Driver
ELECTRICAL CHARACTERISTICS Typical values at T A = 25°C and V IN = 3.3 V (unless otherwise noted)
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max. Units
Supply Voltage*
V IN
Charging
3
–
–
1.3
5.5
–
V
mA
Supply Current
Primary Side Current Limit
SW On Resistance
SW Leakage Current*
SW Maximum Off-Time
SW Maximum On-Time
CHARGE Input Current
CHARGE Input Voltage*
ˉDˉ ˉOˉ ˉNˉ ˉEˉ Output Leakage Current*
ˉDˉ ˉOˉ ˉNˉ ˉEˉ Output Low Voltage*
I IN
I SWLIM
R DS(On)SW
I SWLKG
t OFF(Max)
t ON(Max)
I CHARGE
V CHARGE(H)
V CHARGE(L)
I DONELKG
V DONE(L)
Charging done
Shutdown (V CHARGE = 0 V, V TRIGGER = 0 V)
V ILIM < 1.0 V
ILIM pin floating
V ILIM > V IN – 1.3 V
V IN = 3.3 V, I D = 800 mA, T A = 25°C
V SW = 35 V
V CHARGE = V IN
32 μ A into ˉDˉ ˉOˉ ˉNˉ ˉEˉ pin
–
–
–
1.08
–
–
–
–
–
–
2
–
–
–
1
0.01
1.0
1.2
1.4
0.27
–
18
18
–
–
–
–
–
10
1
–
1.32
–
–
1
–
–
1
–
0.8
1
100
μ A
μ A
A
A
A
Ω
μ A
μ s
μ s
μ A
V
V
μ A
mV
FB Voltage Threshold*
V FB
1.187
1.205 1.223
V
FB Input Current
UVLO Enable Threshold
UVLO Hysteresis
I FB
V UVLO
V UVLOHYS
V FB = 1.205 V
V IN rising
–
2.55
–
–120 –
2.65 2.75
150 –
nA
V
mV
IGBT Driver
IGBTDRV On Resistance to VIN
IGBTDRV On Resistance to GND
TRIGGER Input Current
TRIGGER Input Voltage*
R DS(On)I-V
R DS(On)I-G
I TRIGGER
V TRIGGER(H)
V TRIGGER(L)
V IN = 3.3 V, V IGBTDRV = 1.5 V
V IN = 3.3 V, V IGBTDRV = 1.5 V
V TRIGGER = V IN
–
–
–
2
–
5
6
–
–
–
–
–
1
–
0.8
Ω
Ω
μ A
V
V
Propagation Delay, Rising t Dr
Propagation Delay, Falling t Df
Output Rise Time t r
Output Fall Time t f
R gate =12 Ω , C LOAD = 6500 pF, V IN = 3.3 V
R gate =12 Ω , C LOAD = 6500 pF, V IN = 3.3 V
R gate =12 Ω , C LOAD = 6500 pF, V IN = 3.3 V
R gate =12 Ω , C LOAD = 6500 pF, V IN = 3.3 V
–
–
–
–
30
70
125
125
–
–
–
–
ns
ns
ns
ns
*Guaranteed by design and characterization over operating temperature range, –40°C to 85°C.
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1 . 508.853.5000; www.allegromicro.com
4
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