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参数资料
| 型号： | LTM4628EV#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 28/36页 |
| 文件大小： | 0K |
| 描述： | IC DC/DC UMODULE 16A 144-LGA |
| 软件下载： | LTM4628 Spice Model |
| 设计资源： | LTM4628 Gerber Files LTM4628EV#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： | 5.5V |
| Voltage - Output 2： | 5.5V |
| 电流 - 输出（最大）： | 8A，8A |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 144-BLGA |
| 尺寸/尺寸： | 0.59" L x 0.59" W x 0.17" H（15.0mm x 15.0mm x 4.3mm） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 125°C |
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LTM4628
APPLICATIONS INFORMATION
Safety Considerations
The LTM4628 modules do not provide galvanic isolation
from V IN to V OUT . There is no internal fuse. If required,
a slow blow fuse with a rating twice the maximum input
current needs to be provided to protect each unit from
catastrophic failure. The device does support thermal
shutdown and over current protection. A temperature
diode is provided for monitoring internal temperature.
Layout Checklist/Example
The high integration of LTM4628 makes the PCB board
layout very simple and easy. However, to optimize its
electrical and thermal performance, some layout consid-
erations are still necessary.
? Use large PCB copper areas for high current paths,
including V IN , GND, V OUT1 and V OUT2 . It helps to mini-
mize 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.
C IN1
M
L
K
V IN
? Place a dedicated power ground layer underneath the
unit.
? To minimize the via conduction loss and reduce module
thermal stress, use multiple vias for interconnection
between top layer and other power layers.
? Do not put via directly on the pad, unless they are
capped or plated over.
? Use a separated SGND ground copper area for com-
ponents connected to signal pins. Connect the SGND
to GND underneath the unit.
? For parallel modules, tie the V OUT , V FB , and COMP pins
together. Use an internal layer to closely connect these
pins together. The TRACK pin can be tied a common
capacitor for regulator soft-start.
? Bring out test points on the signal pins for monitoring.
Figure 27 gives a good example of the recommended
layout. LGA and BGA PCB layouts are identical with the
exception of circle pads for BGA (see Package Description).
C IN2
GND
C OUT1
J
H
G
F
E
D
C
B
A
GND
C OUT2
SGND
1
2
3
4
5
6
7
8
9
10
11
12
V OUT1
CNTRL
GND
CNTRL
V OUT2
4628 F27
Figure 27. Recommended PCB Layout (LGA Shown, for BGA Use Circle Pads)
4628fe
28
For more information www.linear.com/LTM4628
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTM4628IV#PBF | 功能描述:IC DC/DC UMODULE 16A 144-LGA RoHS:是 类别:电源 - 板载 >> DC DC Converters 系列:µModule® 设计资源:VI-200, VI-J00 Design Guide, Appl Manual 标准包装:1 系列:* 类型:隔离 输出数:1 电压 - 输入（最小）:21V 电压 - 输入（最大）:32V Voltage - Output 1:5V Voltage - Output 2:- Voltage - Output 3:- 电流 - 输出（最大）:* 电源（瓦） - 制造商系列:100W 电压 - 隔离:* 特点:* 安装类型:通孔 封装/外壳:9-SlimMod 尺寸/尺寸:4.60" L x 1.80" W x 0.52" H（116.8mm x 45.7mm x 13.2mm） 包装:散装 工作温度:-25°C ~ 85°C 效率:* 电源（瓦特）- 最大:* |
| LTM4628IVPBF | 制造商:LINEAR_DIMENSIONS 制造商全称:LINEAR_DIMENSIONS 功能描述:Dual 8A or Single 16A DC/DC ??Module Regulator |
| LTM4628IY#PBF | 制造商:Linear Technology 功能描述:IC DC/DC UMODULE 16A 144-BGA 制造商:Linear Technology 功能描述:DP-uModule, Dual 8A or Single 16A DC/DC uModule Regulator |
| LTM4630EV#PBF | 制造商:Linear Technology 功能描述:DC/DC CONVERTER DUAL 0.6-1.8 65W 制造商:Linear Technology 功能描述:BUCK UMODULE 15VIN 18A LGA 制造商:Linear Technology 功能描述:DC-DC REGULATOR, BUCK, ADJ, LGA-144, Primary Input Voltage:15V, No. of Outputs:2 制造商:Linear Technology 功能描述:DC-DC REGULATOR, BUCK, ADJ, LGA-144, Primary Input Voltage:15V, No. of Outputs:2, Output Current:36A, No. of Pins:144, Operating Temperature Min:-40C, Operating Temperature Max:125C, MSL:MSL 3 - 168 hours, Package / Case:144-LGA , RoHS Compliant: Yes |
| LTM4630IV#PBF | 制造商:Linear Technology 功能描述:DC/DC CONVERTER DUAL 0.6-1.8 65W 制造商:Linear Technology 功能描述:BUCK UMODULE 15VIN 18A LGA 制造商:Linear Technology 功能描述:DC-DC REGULATOR, BUCK, ADJ, LGA-144, Primary Input Voltage:15V, No. of Outputs:2, Output Current:36A, No. of Pins:144, Operating Temperature Min:-40C, Operating Temperature Max:125C, MSL:MSL 3 - 168 hours, Package / Case:144-LGA , RoHS Compliant: Yes |
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