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EC3202SNT2R Datasheet(PDF) 1 Page - E-CMOS Corporation |
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EC3202SNT2R Datasheet(HTML) 1 Page - E-CMOS Corporation |
1 / 9 page EC3202S 2A, 1.5MHz, Synchronous Step Down DC/DC Converter E-CMOS Corp. (www.ecmos.com.tw) 5E12N-Rev. F001 1/9 .. General Description EC3202S is a high efficiency step down DC/DC converter operated with current mode and constant frequency. The internal switch and synchronous rectifier are integrated for high efficiency. External Schottky diodes are not required. The supply current is only 120µA during operation and drops to less than 1µA in shutdown. EC3202S can supply 2A of load current from 2.5V to 5.5V supply voltage. The switching frequency is set at 1.5MHz, allowing the use of small surface mount inductors and capacitors. It can run 100% duty cycle for low dropout application. The output voltage of EC3202S is adjustable from the FB pin. . Features 2A output current Current mode operation High efficiency up to 95% Shutdown current < 1µA 2.5V to 5.5V supply voltage Over temperature protection Constant frequency operation Full duty ratio, 0 – 100% in dropout RoHS Compliant and Lead (Pb) Free Applications Cellular phones PDAs and smart phones MP3 players Digital still cameras Slim-type DVD Wireless and DSL card Microprocessors and DSP core supplies Portable instruments Pin Assignments 1 2 3 5 4 FB SW GND EN Vin Top View TSOT23-5L GND EN SW Top View TDFN 2x2-6L NC Vin FB 1 2 3 6 5 4 |
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