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CM431BCN Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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CM431BCN Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 12 page  CM431 LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR 2003/03/24 Preliminary Rev.1.1 Champion Microelectronic Corporation Page 1 GENERAL DESCRIPTION FEATURES ! Initial voltage reference accuracy of 1.0%. ! Sink current capability from 1mA to 100mA ! Typical output dynamic impedance less than 200m Ω; ! Adjustable output voltage from VREF to 36V ! Available in SOT-23, SOT-89, TO-92, & SOP-8 ! Low output noise ! Typical equivalent full range temperature coefficient of 30ppm/ OC APPLICATIONS The CM431 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 CM431 offers low output impedance for improved load regulation with a typical output impedance of 200m Ω. Because of the active output circuitry, the CM431 can 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. ! Voltage Reference ! Precision shunt regulator ! High current shunt regulator ! PWM down converter with reference ! Voltage monitor PIN CONFIGURATION TO-92 Front View 1 23 SOT-23-3 Top View 1 3 2 SOT-23-5 Top View 1 5 3 2 4 SOT-89 Top View 1 23 SOP-8 Top View 1 2 3 4 8 7 6 5 CATHODE NC NC NC REF NC ANODE NC CM431XCM233 CM431XCM2R3 Pin 1 REF CATHODE Pin 2 CATHODE REF Pin 3 ANODE ANODE Suffix “X”: Grade “A”, “B”, “C”, or “D” |
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