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SM646K Folha de dados(PDF) 1 Page - Microsemi Corporation

Nome de Peças SM646K
Descrição Electrónicos  SWITCHING REGULATOR POWER OUTPUT STAGES
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Fabricante Electrônico  MICROSEMI [Microsemi Corporation]
Página de início  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

SM646K Folha de dados(HTML) 1 Page - 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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