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参数资料
| 型号： | DC1669A |
| 厂商： | Linear Technology |
| 文件页数： | 23/32页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL LTM4627 |
| 软件下载： | LTM4627 Spice Model |
| 设计资源： | LTM4627 Gerber Files DC1669A Design Files |
| 标准包装： | 1 |
| 系列： | LTM®, uModule® |
| 主要目的： | DC/DC，步升 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 1V，1.2V，1.5V，1.8V，2.5V，3.3V |
| 电流 - 输出： | 15A |
| 输入电压： | 4.5 ~ 20 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 500kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | LTM4627 |
| 相关产品： | LTM4627IV#PBF-ND - IC UMODULE DC/DC 15A 133LGA LTM4627EV#PBF-ND - IC UMODULE DC/DC 15A 133LGA |
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LTM4627
APPLICATIONS INFORMATION
Safety Considerations
The LTM4627 modules do not provide 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 overvoltage protection
and overcurrent protection.
Layout Checklist/Example
The high integration of the LTM4627 makes the PCB
board layout very simple and easy. However, to optimize
its electrical and thermal performance, some layout con-
siderations are still necessary.
? Use large PCB copper areas for high current paths,
including V IN , GND and V OUT . 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 , GND and V OUT pins to minimize
high frequency noise.
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 vias directly on the pad, unless they are
capped or plated over.
? Place test points on signal pins for testing.
? 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 COMP and V FB pins to-
gether. Use an internal layer to closely connect these
pins together.
Figure 17 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 IN
C IN
CONTROL
GND
SIGNAL
GROUND
V OUT
C OUT
C OUT
Figure 17. Recommended PCB Layout
(LGA Shown, for BGA Use Circle Pads)
V OUT
4627 F17
4627fc
For more information www.linear.com/LTM4627
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DC1669B | 制造商:Linear Technology 功能描述:LTM4627EV Demo Board 20V, 15A DC/DC 制造商:Linear Technology 功能描述:LTM4627EV Demo Board 20V, 15A DC/DC Module Regulator |
| DC16-73 | 制造商:Skyworks Solutions Inc 功能描述:DIRECTIONAL COUPLER 15DB P/N: N011 |
| DC16-73LF | 功能描述:信号调节 .3-2.7GHz Coupling 15.6dB and 14.8dB RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel |
| DC16-73LF-B | 制造商:Skyworks Solutions Inc 功能描述:RF DIRECTIONAL COUPLER |
| DC1676A | 制造商:Linear Technology 功能描述:BOARD DEMO LTC4359 制造商:Linear Technology 功能描述:DEMO BOARD, LTC4359, IDEAL DIODE CONTROLLER; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC4359; Kit Application Type:Power Management; Application Sub Type:Ideal Diode; Kit Contents:Demo Board LTC4359 |
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