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SC431CSK-2 Datasheet(PDF) 1 Page - Semtech Corporation |
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SC431CSK-2 Datasheet(HTML) 1 Page - Semtech Corporation |
1 / 6 page SC431 © 1998 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 ADJUSTABLE SHUNT REGULATOR April 13, 1998 1 BLOCK DIAGRAM PIN CONFIGURATIONS DESCRIPTION The SC431 is a three terminal adjustable shunt regula- tor with thermal stability guaranteed over temperature. The output voltage can be adjusted to any value from 2.5V (V REF) to 36V with two external resistors. The SC431 has a typical dynamic output impedance of 0.25 Ω. Active output circuitry provides a very sharp turn on characteristic, making the SC431 an excellent replacement for zener diodes. The SC431 shunt regulator is available in three voltage tolerances (0.5%, 1.0% and 2.0%) and three package options (SOT-23-3, SO-8 and TO-92). The three volt- age tolerances allow the designer the opportunity to select the proper cost/tolerance for their application. FEATURES • Wide operating current range 100µA to 150mA • Low dynamic output impedance 0.25 Ω typ. • Trimmed bandgap design + 0.5% • Alternate for TL431, LM431 & AS431 APPLICATIONS • Linear Regulators • Adjustable Supplies • Switching Power Supplies • Battery Operated Computers • Instrumentation • Computer Disk Drives TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com SOT-23 -3 Lead (Top View) SOIC 8 Lead (Top View) TO-92 (Top View) SYMBOL DIAGRAM |
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