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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)： | 2/12頁 |
| 文件大?。?/td> | 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
2
Functional Block Diagram
VIN
VIN
SW
CHARGE
GND
CMP2
ILIM
DONE
FB
Q
I
LIM
Decoder
Adjustable
Reference
IGBTDRV
TRIGGER
1.2 V
40 V
DMOS
Q
Q
SET
CLR
S
R
Q
Q
SET
CLR
S
R
CMP3
CMP1
1.2 V
I
LIM
Comparator
CoDCM
H
→
L
Triggered Timer
Control Logic
Enable
18 μs
One-Shot
Terminal List Table
Number
1
Ab so ute Max mum Rat ngs
10
9
8
7
6
ILIM
FB
DONE
TRIGGER
SW
1
2
3
4
5
NC
IGBTDRV
VIN
GND
CHARGE
Device Pin-out Diagram
R
θ
JA
= 45 °C/W, on a 4-layer board. Additional information is
available on the Allegro Web site.
Package Thermal Characteristics
Name
NC
Function
No connection
2
IGBTDRV
IGBT driver gate drive output
3
VIN
Power supply input
4
GND
Device ground
5
CHARGE
Charging enable; set to low to power-
off the A8436
6
SW
Switch, internally connected to the
DMOS power FET drain
7
TRIGGER
Strobe signal input
8
ˉD ˉO ˉN ˉˉ
Open drain, when pulled low by inter-
nal MOSFET, indicates that charging
target level has been reached
9
FB
Output voltage feedback
10
ILIM
Switch current limit setting; sets three
discreet levels
Input or Output Voltage
SW pin, V
SW
............................................................
–0.3 to 40 V
IGBTDRV pin, V
IGBTDRV
..............................
–0.3 to V
IN
+ 0.3 V
FB pin, V
FB
...............................................................
–0.3 to V
IN
All other pins, V
x
......................................................
–0.3 to 7 V
Operating Ambient Temperature, T
A
................................
–40°C to 85°C
Maximum Junction Temperature, T
J(max)
........................................
150°C
Storage Temperature, T
S
..............................................
–55°C to 150°C
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| A8437EEJTR-T | 功能描述:IC PHOTOFLASH CAP CHARGER 10TDFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR |
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