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AMC431PK Datasheet(PDF) 1 Page - ADDtek Corp |
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AMC431PK Datasheet(HTML) 1 Page - ADDtek Corp |
1 / 10 page www.addmtek.com Copyright © 2006 ADDtek Corp. 1 DD021_G -- JUNE 2006 AMC431 PRECISION ADJUSTABLE SHUNT VOLTAGE REFERENCE VREF CATHODE ANODE DESCRIPTION FEATURES The AMC431 is a three-terminal adjustable shunt voltage regulator with specified thermal stability and pin-to-pin compatible with the earlier 431 series. The output voltage can be adjusted to any value between VREF and 36V by using two external resistors. The AMC431 offers low output impedance for improved load regulation with a typical output impedance of 200m Ω. Because of the active output circuitry, the AMC431can replace the zener diodes in applications such as switching power supplies, OVP crowbar circuits, references for A/D, D/A converters with improved turn-on characteristics. Initial voltage reference accuracy of 0.5%, 1.0%, and 1.5% Sink current capability from 1mA to 100mA Typical output dynamic impedance less than 200m Ω; Adjustable output voltage from VREF to 36V Available in 3L-TO92 and surface mount SOT89, SOT23. Low output noise Typical equivalent full range temperature coefficient of 30ppm/°C Pin assignment identical to earlier TL431 series. APPLICATIONS PACKAGE PIN OUT 3-Pin Plastic TO-92 (Top View) Voltage Reference Precision shunt regulator High current shunt regulator PWM down converter with reference Voltage monitor ORDER INFORMATION TO-92 SOT-89 SOT-23 SOT-23 TA (°C) Initial Tolerance LP 3-pin PK 3-pin DB 3-pin DB 3-pin 1.5% AMC431CLP -- -- -- 1.5% AMC431CLPF(Lead Free) -- -- -- 1% AMC431LP AMC431PK AMC431DB AMC431RDB 1% AMC431LPF(Lead Free) AMC431PKF(Lead Free) AMC431DBF(Lead Free) AMC431RDBF(Lead Free) 0.5% AMC431BLP AMC431BPK AMC431BDB AMC431BRDB 0 to 70 0.5% AMC431BLPF(Lead Free) AMC431BPKF(Lead Free) AMC431BDBF(Lead Free) AMC431BRDBF(Lead Free) Note: 1. For AMC431RDB and AMC431BRDB. 2. For AMC431DB and AMC431BDB. 3. For surface-mount and TO-92 packages in Tape & Reel, add suffix “T” (e.g., AMC431LPT, AMC431DBT). 4. For TO-92 in Tape & Box (without reel), add suffix “TB” (e.g., AMC431LPTB). 5. DB package is only available in Tape & Reel. 6. The letter “F” is marked for Lead Free process. VREF ANODE CATHODE CATHODE VREF ANODE 3-Pin Plastic SOT-23 Surface Mount (Top View) (Note 2) 3-Pin Plastic SOT-23 Surface Mount (Top View ) (Note 1) 3-Pin Plastic SOT-89 Surface Mount (Top View) CATHODE ANODE VREF |
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