Jun 15, 2018
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• Over 1600 Hybrid STK and STR Integrated Circuits
• Connection diagram
• Short description
• Electrical characteristics
• Cases drawings
• Direct replacement suggestion
3 - pins
STK and STR
2. Alpha-numeric index
2. STK integrated circuits
3. STR integrated circuits
Toronto, 2011 edition
Chisinau, 2011 edition
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Due to the high parameters and reliability, the hybrid integrated circuits of the Sanyo STK family and Sanken STR
family have a large applying in consumer and professional electronics equipments.
The functional set of STK integrated circuits family is very wide: power audio amplifiers, audio preamplifiers
and graphic equalizers, switching and linear type voltage regulators, deflection processor, focus and convergente
drivers for monitors and projection TV, motor drivers and other.
The Sanken (and Allegro affiliated manufacturer) hybrid integrated circuits of the STR family consists basically
from switching and linear type voltage regulators, intended for applying in the TV and video cassette primare (high
voltage) and secondare (low voltage) power supply.
In the accesible literature and in the Internet, the information about STK and STR integrated circuits is very
dispersed, incompleted and consequently is not so easily accessible.
This book proposes the short but full prezentation of the majority of STK and STR integrated circuits that exist
on the market; prezentation consisting from schematic diagrams (schematic of connections and (or) internal structure), short description and basic electrical characteristics.
The integrated circuits with the identical terminal configurations (and connection) are arranged in the same
place. They are not specifically equivalent (replacements) with each other (can have to different electrical characteristics and (or) type of case); for detection of equivalent, in any situation it is necessary to consult a electrical
Not less than three manufacturers make a lot of integrated circuits which one are the complete pin-to-pin
replacements compatible with STK and STR family circuits, but their order (marking) code does not coincide with
the respective STK or STR circuits. These manufacturers are ECG Microsemi (a Philips USA subdivision (http://
www.ecgsemi.com)) that marks it’s circuits with ECG prefixes; NTE Electronis Inc. (http://www.nteinc.com) that
marks it’s circuits with NTE prefixes and TCE (Thomson Consumer Electronics) that marks it’s circuits with SK
prefixes. In the book (appendix 2) we present the list of full equivalences of STK, STR, ECG, NTE and SK integrated
Abbreviations used in the characteristics tables and schematics:
µCOM AC Adj BBPF BwCLK CRT CTRL Curr. DC Det. DRV D.Y. EMI FDBK Fosc GND GvHL Id ID Icc0IoutmaxINH LL -
Cathode Ray Tube
High Level (logic)
Quiescent power supply current
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