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AP131-49Y Datasheet(PDF) 1 Page - Anachip Corp |
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AP131-49Y Datasheet(HTML) 1 Page - Anachip Corp |
1 / 7 page AP131 300mA Low Dropout Linear Regulator with Shutdown This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev. 1.2 Oct 28, 2004 1/7 Features - Input voltage range is up to 7V - Dropout voltage 400mV at 300mA output current - Guaranteed 300mA output current. - Internal Ron =1.5Ω PMOS draws no base current - Low quiescent current 50 µA - Output voltage 2% accuracy, and 1.5V to 5V with 0.1V step - Active low shutdown function (EN pin). - Fast transient response - Good load regulation - Current limit and thermal shutdown protection - SOT89-5L and SOT23-5L packages Applications - Wireless Communication - Battery Powered device - CD-ROM, DVD, and LAN Card - PC peripheral General Descriptions The AP131 is a 300mA, fixed output voltage, low dropout linear regulator. The Device included pass element, error amplifier, band-gap, current limit and thermal shutdown circuitry. The device is ON when EN pin is set to logic high level. The characteristics of low dropout voltage and less quiescent current make it good for some critical current application, for example, some battery powered devices. The typical quiescent current is approximately 50µA from zero to maximum load. Due to internal flexible design, result in extensively fixed output voltage versions and make it convenient to use for applications. Built-in current-limit and thermal-shutdown functions prevent any fault condition from IC damage. An external capacitor can be connected to the BP pin and reduce the output noise. Pin Assignments (Top View) SOT23-5L 3 2 5 4 1 IN GND EN BP OUT SOT89-5L (Top View) 3 2 1 5 4 IN GND EN BP OUT Pin Descriptions Name Description IN Input voltage GND Ground EN Enable pin BP Bandgap OUT Output voltage |
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