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参数资料
| 型号： | A8437ECGLT |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 5/22页 |
| 文件大小： | 0K |
| 描述： | IC PHOTOFLASH CAP CHARGER WLCSP |
| 标准包装： | 24,000 |
| 应用： | 照相机闪光灯电容器充电器，Xenon |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-UFBGA，WLCSP |
| 供应商设备封装： | 12-WLCSP |
| 包装： | 带卷 (TR) |
A8437
Mobile Phone Xenon Photoflash Capacitor Charger
with IGBT Driver
Pin-out Diagrams
(Contacts Down Views)
CG Package
EJ Package
A1 A2 A3 A4
ISET
1
10 REG
GATE
2
9
DONE
B1 B2 B3 B4
C1 C2 C3 C4
VIN
GND
CHARGE
3
4
5
EP
8
7
6
TRIGGER1
SW
TRIGGER2
Orientation mark
on ball side
Terminal List Table
Name
Number
CG EJ
Function
ISET
GATE
GSOURCE
GSINK
VIN
GND
CHARGE
TRIGGER2
SW
TRIGGER1
ˉDˉ ˉOˉ ˉNˉ ˉEˉ
TLIM
C4
–
B3
C3
C2
C1
B1
B2
A1
A2
A3
A4
1
2
–
–
3
4
5
6
7
8
9
–
Sets the maximum switch current; connect an external resistor to GND to set the
desired peak current
IGBT gate drive – sink/source
IGBT gate drive – source
IGBT gate drive – sink
Input voltage; connect to a 2.3 to 5.5 V bias supply
Ground connection
Pull high to initiate charging; pull low to enter low-power standby mode
IGBT input trigger 2
Drain connection of internal power MOSFET switch; connect to transformer
IGBT input trigger 1
Pulls low when output reaches target value and CHARGE pin is high; goes high dur-
ing charging or whenever CHARGE pin is low
For production test only; connect to GND on PCB
Output voltage regulation pin; connect to external resistor and capacitor to regulate
REG
B4
10
output voltage, or connect to VIN pin to disable regulation (see Output Regulation
section for details)
EP
n.a.
–
Exposed pad for enhanced thermal dissipation; not connected electrically
Allegro MicroSystems, Inc.
115 Northeast Cutoff
4
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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相关代理商/技术参数 |
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| A8437EEJTR-T | 功能描述:IC PHOTOFLASH CAP CHARGER 10TDFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 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:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR |
| A8438 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Photoflash Capacitor Charger with IGBT Driver |
| A8438_06 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Photoflash Capacitor Charger with IGBT Driver |
| A8438_13 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Photoflash Capacitor Charger with IGBT Driver |
| A8438EEJTR-T | 功能描述:IC PHOTOFLASH CHARGER 10-MLP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 应用说明:Ultrasound Imaging Systems Application Note 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:37 系列:- 应用:医疗用超声波成像，声纳 电流 - 电源:- 电源电压:2.37 V ~ 6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:56-WFQFN 裸露焊盘 供应商设备封装:56-TQFN-EP（8x8） 包装:管件 |
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