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SC4612HSTRT Datasheet(PDF) 1 Page - Semtech Corporation |
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SC4612HSTRT Datasheet(HTML) 1 Page - Semtech Corporation |
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1 / 18 page  © 2008 Semtech Corporation POWER MANAGEMENT SC4612H 40V Synchronous Buck Controller Features Wide input voltage range, 4.75V to 40V Internally regulated DRV .7A gate drive capability Low side RDS-ON sensing with hiccup OCP Programmable current limit Programmable frequency up to .2 MHz Overtemperature protected Pre-bias startup Reference accuracy ±% Available in MLPD-2 4 x 3 and SOIC-4 Pb-free pack- ages. This product is fully WEEE and RoHS compliant Applications Distributed power architectures Telecommunication equipment Servers/work stations Mixed signal applications Base station power management Point of use low voltage high current applications Description The SC462H is a high performance synchronous buck controller that can be configured for a wide range of applications. The SC462H utilizes synchronous rectified buck topology where high efficiency is the primary con- sideration. SC462H can be used over a wide input voltage range with output voltage adjustable within limits set by the duty cycle boundaries. SC462H comes with a rich set of features such as regu- lated DRV supply, programmable soft-start, high current gate drivers, shoot through protection, R DS(ON) sensing with hiccup over current protection. Typical Application Circuit March 24, 2009 |
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