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参数资料
| 型号： | LT3485EDD-0#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO10 |
| 封装： | 3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10 |
| 文件页数： | 6/20页 |
| 文件大小： | 339K |
| 代理商： | LT3485EDD-0#TRPBF |
LT3485-0/LT3485-1/
LT3485-2/LT3485-3
14
34850123fb
APPLICATIO S I FOR ATIO
WU
U
Figure 7. Suggested Layout: Keep Electrical Path Formed by C1,
Transformer Primary and LT3485-0/LT3485-1/LT3485-2/LT3485-3 Short
Board Layout
The high voltage operation of the LT3485-0/LT3485-1/
LT3485-2/LT3485-3 demands careful attention to board
layout. You will not get advertised performance with
careless layout. Figure 7 shows the recommended com-
ponent placement. Keep the area for the high voltage end
of the secondary as small as possible. Also note the larger
than minimum spacing for all high voltage nodes in order
to meet breakdown voltage requirements for the circuit
board.
It is imperative to keep the electrical path formed
by C1, the primary of T1, and the LT3485-0/LT3485-1/
LT3485-2/LT3485-3 as short as possible. If this path is
haphazardly made long, it will effectively increase the
leakage inductance of T1, which may result in an overvolt-
age condition on the SW pin.
COUT
PHOTOFLASH
CAPACITOR
CHARGE
DONE
IGBTPWR
VBAT
C2
C3
T1
C1
VMONT
IGBTIN
IGBTOUT
D1
(DUAL DIODE)
+
SECONDARY
PRIMARY
VIN
1
10
9
2
R1
3485 F07
3
8
11
7
4
5
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3485EDD-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive |
| LT3485EDD-1#PBF | 功能描述:IC CHARGER PHOTOFLASH 10-DFN 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 |
| LT3485EDD-1#TRPBF | 功能描述:IC CHARGER PHOTOFLASH 10-DFN 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 |
| LT3485EDD-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive |
| LT3485EDD-2#PBF | 功能描述:IC CHARGER PHOTOFLASH 10-DFN 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 |
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