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参数资料
| 型号： | A8732EEETR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 19/21页 |
| 文件大小： | 0K |
| 描述： | IC PHOTOFLASH CAP CHARGER 8DFN |
| 标准包装： | 1 |
| 应用： | 照相机闪光灯电容器充电器，Xenon |
| 电流 - 电源： | 50µA |
| 电源电压： | 1.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-UFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN/MLP（2x2） |
| 包装： | 标准包装 |
| 其它名称： | 620-1338-6 |
A8732
Layout Guidelines
Ultra Small Mobile Phone Xenon Photoflash
Capacitor Charger with IGBT Driver
Avoid placing any ground plane area underneath the transformer
Key to a good layout for the photoflash capacitor charger circuit
is to keep the parasitics minimized on the power switch loop
(transformer primary side) and the rectifier loop (secondary side).
Use short, thick traces for connections to the transformer primary
and SW pin. It is important that the ˉDˉˉ ˉOˉ ˉˉNˉ ˉEˉ signal trace and other
signal traces be routed away from the transformer and other
switching traces, in order to minimize noise pickup. In addition,
high voltage isolation rules must be followed carefully to avoid
breakdown failure of the circuit board.
Recommended Components
secondary and diode, to minimize parasitic capacitance.
For low threshold logic (<1.2 V) add 1 nF capacitors across the
CHARGE and TRIGGER pins to GND to avoid malfunction due
to noise.
Connect the EE package PAD to the ground pad for better ther-
mal performance. Use ground planes on the top and bottom layers
below the IC and connect them through multiple thermal vias.
Refer to the figures on page 18 for recommended layout.
Component
C1, Input Capacitor
C2
C OUT , Photoflash
Capacitor
D1, Output Diode
T1, Transformer
Rating
10 μ F, ±10%, 6.3 V, X5R ceramic
capacitor (0805)
0.1uF, 6.3V X5R ceramic capacitor
100 μ F / 330 V
2 x 250 V, 225 mA, 5 pF
L PRIMARY = 12.8 μ H, N= 10.25,
6.5 × 8 × 4 mm
Part Number
JMK212BJ106K
EPH-31ELL101B131S
BAV23S
T-16-024A
Source
Taiyo Yuden
Chemi-Con
Philips Semiconductor,
Fairchild Semiconductor
Tokyo Coil Electric
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
18
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A8733EEJTR-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 |
| A8735 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Ultra Small Mobile Phone Xenon Photoflash Capacitor Charger with IGBT Driver |
| A8735EEETR-T | 功能描述:IC PHOTOFLASH CAP CHARGER 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 应用:热电冷却器 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:28-SOIC（0.173"，4.40mm 宽）裸露焊盘 供应商设备封装:28-TSSOP 裸露焊盘 包装:管件 产品目录页面:1410 (CN2011-ZH PDF) |
| A8737EEJTR-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:- 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 |
| A87386-000 | 制造商:TE Connectivity 功能描述:V2-2.5-5-SP-SM - Bulk |
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