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APR3022-20B Datasheet(PDF) 1 Page - Anpec Electronics Coropration |
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APR3022-20B Datasheet(HTML) 1 Page - Anpec Electronics Coropration |
1 / 15 page Copyright ANPEC Electronics Corp. Rev. A.2 - Oct., 2003 APR3021/2/3 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. MicroPower Microprocessor Reset Circuit Features General Description Applications • Computers • Cell Phones • Portable Electronics • µP Power Supply Monitoring The APR3021/2/3 are designed to monitor voltage supplies in µP and digital systems. The quiescent current is extremely low, typically 1.5 µA, making it ideal for portable battery operated equipment. The APR3021/2/3 operate by monitoring the system power supply voltage. When the input voltage drops below a fixed threshold, the device asserts a reset signal for a fixed time period after Vcc rises above the fixed threshold. The APR3021/2/3 series is avail- able with three output stage versions : APR3021 push-pull active low output, APR3022 push-pull ac- tive high output and APR3023 open drain active low output. They are also designed to reject fast line tran- sient glitches on Vcc. The APR3021/2/3 are come in a miniature SOT-23, SOT-23-5, SOT-89 packages. Pin Configuration SOT-23 (Top View) Re s e t 12 3 V CC GN D Re s e t (3021/3 ) (3022) SOT-23-5 (Top View) SOT-89 (Top View) VCC GND NC NC 12 3 4 5 Reset Reset (3021/3) (3022) GND 2 13 Reset Reset (3021/3) (3022) V CC • 1.2V to 5.5V Input Voltage Range • Low Quiescent Current : less Than 1.5 µA • High accuracy detection threshold : ±1.5% • Fixed trimmed reset thresholds for 1.5V, 1.75V, 2.32V, 2.63V, 2.93V, 3.08V, 3.9V, 4.38V. • Reset Timeout Period 250ms • Available output configurations - Open-drain output - CMOS active high output - CMOS active low output • SOT-23 , SOT-23-5 and SOT-89 packages • No external components |
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