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SM627 Datasheet(PDF) 1 Page - Micro Electronics

Part No. SM627
Description  SWITCHING REGULATOR POWER OUTPUT STAGES
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Maker  MICRO-ELECTRONICS [Micro Electronics]
Homepage  http://www.microelectr.com.hk
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SM627 Datasheet(HTML) 1 Page - Micro Electronics

   
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SM625/SM626/SM627
4/90 Rev 1.1 2/94
LINFINITY Microelectronics Inc.
Copyright
© 1994
11861 Western Avenue
∞ Garden Grove, CA 92841
1
(714) 898-8121
∞ FAX: (714) 893-2570
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
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.
FUNCTIONAL DIAGRAM
SM625/SM626/SM627
SWITCHING REGULATOR POWER OUTPUT STAGES


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