DC/DC converter maximizes battery life in portable devices.(pulse)
National Semiconductor's 2MHz, PWM, 600mA step-down dc/dc converter comes in a very small package. Suited for handheld devices such as mobile phones, PDAs, MP3 players, portable instruments, W-LAN, digital still cameras and portable hard disk drives, the LM3674 is optimized for powering low voltage circuits from a single Li-Ion cell battery and input voltage rails from 2.7 to 5.5V. It provides up to a 600mA load current over the entire input voltage range. …
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Dual 600 mA step-down DC-DC converter with [I.sup.2]C interface.
EDN; December 5, 2005
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