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SM647K 数据表(PDF) 1 Page - Microsemi Corporation

部件名 SM647K
功能描述  SWITCHING REGULATOR POWER OUTPUT STAGES
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制造商  MICROSEMI [Microsemi Corporation]
网页  http://www.microsemi.com
标志 MICROSEMI - Microsemi Corporation

SM647K 数据表(HTML) 1 Page - Microsemi Corporation

  SM647K Datasheet HTML 1Page - Microsemi Corporation SM647K Datasheet HTML 2Page - Microsemi Corporation SM647K Datasheet HTML 3Page - Microsemi Corporation SM647K Datasheet HTML 4Page - Microsemi Corporation  
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SM645/SM646/SM647
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 645, 646, 647
••••• 15A current capability
••••• 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%
HIGH RELIABILITY FEATURES
♦ Available with high reliability processing
DESCRIPTION
The SM645/646/647 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 SM645,
SM646 and SM647 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.
SWITCHING REGULATOR
POWER OUTPUT STAGES
SM645/SM646/SM647
FUNCTIONAL DIAGRAM


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