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参数资料
| 型号： | LTM4619IV#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 17/24页 |
| 文件大小： | 0K |
| 描述： | IC SWIT REG BUCK 4A ADJ 144LGA |
| 产品培训模块： | Power Module vs. Discrete DC to DC |
| 软件下载： | LTM4619 Spice Model |
| 设计资源： | DC1453A Design Files LTM4619IV#PBF Footprint.bxl |
| 特色产品： | μModule Products |
| 标准包装： | 119 |
| 系列： | µModule® |
| 类型： | 非隔离（POL） |
| 输出数： | 2 |
| 电压 - 输入（最小）： | 4.5V |
| 电压 - 输入（最大）： | 26.5V |
| Voltage - Output 1： | 0.8 ~ 5 V |
| Voltage - Output 2： | 0.8 ~ 5 V |
| 电流 - 输出（最大）： | 4A，4A |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 144-LGA |
| 尺寸/尺寸： | 0.59" L x 0.59" W x 0.11" H（15.0mm x 15.0mm x 2.8mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 125°C |
| 产品目录页面： | 2711 (CN2011-ZH PDF) |
| 配用： | DC1453A-ND - BOARD EVAL LTM4619 |
LTM4619
APPLICATIONS INFORMATION
Layout Checklist/Example
The high integration of LTM4619 makes the PCB board
layout very simple and easy. However, to optimize its electri-
cal and thermal performance, some layout considerations
are still necessary.
? Use large PCB copper areas for high current path, includ-
ing V IN , PGND, V OUT1 and V OUT2 . It helps to minimize
the PCB conduction loss and thermal stress.
? Place high frequency ceramic input and output capaci-
tors next to the V IN , PGND and V OUT pins to minimize
high frequency noise.
? To minimize the via conduction loss and reduce module
thermal stress, use multiple vias for interconnections
between top layer and other power layers.
? Do not put vias directly on the pads.
? Use a separated SGND ground copper area for com-
ponents connected to signal pins. Connect the SGND
to PGND underneath the unit.
? Decouple the input and output grounds to lower the
output ripple noise.
Figure 17 gives a good example of the recommended layout.
? Place a dedicated power ground layer underneath the
unit.
TOP VIEW
PGND
C IN2
M
L
K
J
H
G
F
E
D
C
B
A
V IN
C IN1
PGND
1
2
3
4
5
6
7
8
9
10
11
12
C OUT2
C OUT1
V OUT2
PGND
V OUT1
Figure 17. Recommended PCB Layout
4619fb
For more information www.linear.com/LTM4619
17
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTM4620 | 制造商:LINER 制造商全称:Linear Technology 功能描述:38V, 10A DC/DC ??Module Regulator with Advanced Input and Load Protection |
| LTM4620A | 制造商:LINEAR_DIMENSIONS 制造商全称:LINEAR_DIMENSIONS 功能描述:Dual 8A per Channel Low VIN DC/DC ??Module Regulator |
| LTM4620AEV#PBF | 制造商:Linear Technology 功能描述:DC/DC CONVERT DUAL 0.6-5.3V 13A 制造商:Linear Technology 功能描述:DP-uModule, 26A Single or 13A Dual DC/DC uModule Regulator (Higher Vout version |
| LTM4620AEY#PBF | 制造商:Linear Technology 功能描述:DC/DC CNVRTR 2X0.6-5.3V 144BGA 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK, ADJ, 780KHZ, BGA-144, Primary Input Voltage:16V, No. of Output 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK, ADJ, 780KHZ, BGA-144, Primary Input Voltage:16V, No. of Outputs:2, Output Current:13A, No. of Pins:144, Operating Temperature Min:-40C, Operating Temperature Max:125C, Package / Case:144-BGA , RoHS Compliant: Yes |
| LTM4620AIV#PBF | 制造商:Linear Technology 功能描述:DC/DC CONVERT DUAL 0.6-5.3V 13A 制造商:Linear Technology 功能描述:DP-uModule, 26A Single or 13A Dual DC/DC uModule Regulator (Higher Vout version |
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