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EML3406B pdf datasheet

消耗积分:3 | 格式:rar | 大小:555 | 2008-08-13

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EML3406B is designed with high efficiency step down DC/DC converter for portable devices applications. It features with extreme low quiescent current with no load which is the best fit for extending battery life during the standby mode. The device operates from 2.5V to 5.5V input voltage and up to 600mA output current capability. High 1.5MHz internal frequency makes small surface mount inductors and capacitors possible and reduces overall PCB board space. Further, build-in synchronous switch makes external Schottky diode is no longer needed and efficiency is improved. EML3406 is designed base on pulse width modulation (PWM) for low output voltage ripple and fixed frequency noise, while Pulse Skip Mode (PSM) is used to improve light load efficiency, and low dropout mode provides 100% duty cycle operation. Low reference voltage is designed for achieving regulated output down to 0.6V.
The device is available in an adjustable version and fixed output voltages of 1.2V, 1.5V, 1.8V, 2.7V and 3.3V. The EML3406B is available in SOT package.
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