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APL431LABC-TB Datasheet(PDF) 1 Page - Anpec Electronics Coropration |
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APL431LABC-TB Datasheet(HTML) 1 Page - Anpec Electronics Coropration |
1 / 15 page Copyright ANPEC Electronics Corp. Rev. B.8 - Mar., 2005 APL431L www.anpec.com.tw 1 ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. Low Voltage Adjustable Precision Shunt Regulator Features General Description Applications The APL431L is a 3-terminal low voltage adjustable precision reference with specified thermal stability over applicable commercial temperature ranges. Out- put voltage may be set to any value between V ref (1. 24 V) and 20 V with two external resistors (see Fig- ure 2). When used with an photocoupler, the APL431L is an ideal voltage reference in isolated feed- back circuits for 3V to 12V switching-mode power supplies. This device has a typical output imped- ance of 0.1 Ω. Active output circuitry provides a very sharp turn-on characteristic, making the APL431L ex- cellent replacements for zener diodes in many applications, including on-board regulation and ad- justable power supplies. ••••• Precise Reference Voltage to 1.24V ••••• Guaranteed 0.5% or 1% Reference Voltage Tolerance ••••• Sink Current Capability, 80uA to 100mA ••••• Quick Turn-on ••••• Adjustable Output Voltage, V O = VREF to 20V ••••• Low Operational Cathode Current, 80µA Typical ••••• 0.1 Ω Typical Output Impedance ••••• SOT-23-3, SOT-23-5, TO-92 and SOT-89 Packages • Lead Free Available (RoHS Compliant) ••••• Linear Regulators ••••• Adjustable Power Supply ••••• Switching Power Supply Symbol Functional Diagram Vref + _ Cathode REF Anode SOT-23-3 (Top View) REF ANODE CATHODE 12 3 SOT-89 (Top View) REF ANODE CATHODE 12 3 REF AN O D E CATHO D E 3 2 1 TO-92 (Top View) Cathode Anode REF REF NC CATHO DE NC ANO DE 12 3 4 5 SOT-23-5 (Top View) |
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