The SRM7810 series of miniature PoL-switching regulators provides up to 1 A of output current. These converters replace linear regulators for board level applications that require miniature size. Two standard models operate over an input range of 4.75 to 20 Vdc, providing regulated outputs of 3.3 or 5 Vdc and 93% efficiency. All models feature protection for overload and overtemperature, and continuous short-circuit protection.
The PoL regulators are packaged in a miniature SIP case that measures 0.45 x 0.30 x 0.40 in. They feature an industry-standard pinout and meet UL 94V-O specifications. The regulators operate from –40° to 70°C with no derating or heat sinking required. Derated operation to 85°C is specified. The MTBF for both models (per MIL HDBK 217F) is greater than 2.0 megahours. ($5.75 ea/100 — available now.)
By Paul O’Shea
MicroPower Direct , Stoughton , MA
Steve Forrester 781-344-8226
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