A power supply on a chip in a 0.043–in.2 package, the EN5337QI 3–A synchronous buck dc/dc converter has an integrated inductor and is less than one-third the size of competing 3-A solutions. The synchronous converter has a power density of 149 W/in.2 It is suited for high-volume, mass-market electronics such as DTV, audio, computing, multifunction printers, set-top boxes/DVRs, and storage.
The device has an input voltage that extends from 2.375 to 5.5 V, has 92% peak efficiency, and offers a 5–MHz operating frequency. Protection features include overcurrent protection, thermal-shutdown, and undervoltage-lockout circuit. ($2.50 ea/1,000 — available now.)
Enpirion , Bridgewater , NJ
Information 908-575-7550
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