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SM627R 参数 Datasheet PDF下载

SM627R图片预览
型号: SM627R
PDF下载: 下载PDF文件 查看货源
内容描述: 开关稳压电源输出级 [SWITCHING REGULATOR POWER OUTPUT STAGES]
分类和应用: 开关输出元件
文件页数/大小: 4 页 / 50 K
品牌: MICRO-ELECTRONICS [ Micro Electronics ]
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SM625/SM626/SM627
SWITCHING REGULATOR POWER OUTPUT STAGES
DESCRIPTION
The SM625/626/627 series of Power Output Stages are espe-
cially designed to be driven with standard PWM integrated
circuits to form an efficient switching power supply. The SM625,
SM626 and SM627 are optimized for non-isolated Buck and
Buck-Boost application. The hybrid circuit construction utilizes
thick film resistors on a beryllia substrate for maximum thermal
conductivity and resultant low thermal impedance. All of the
active elements in the hybrid are fully passivated.
FEATURES
Equivalent to the Unitrode PIC 625, 626, 627
15A current capability
Designed and characterized for switching regulator
applications such as Buck, Boost, and Buck-Boost
type
Cost saving design reduces size, improves efficiency,
reduces noise and RFI
High operating frequency (to > 100KHz) results in
smaller inductor-capacitor filter and improved power
supply response time
High operating efficiency at 7A typical performance -
Rise and fall time < 300ns
Efficiency > 85%
Electrically isolated, 4-pin, TO-66 hermetic case
HIGH RELIABILITY FEATURES
Available with high reliability processing
FUNCTIONAL DIAGRAM
SM625/SM626/SM627
4/90 Rev 1.1 2/94
Copyright
©
1994
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Microelectronics Inc.