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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 / 21 page  1 www.semtech.com SC4612H 40V Synchronous Buck Controller POWER MANAGEMENT Description Features Applications Typical Application Circuit u Wide input voltage range, 4.75V to 40V u Internally regulated DRV u 1.7A gate drive capability u Low side R DS-ON sensing with hiccup OCP u Programmable current limit u Programmable frequency up to 1.2 MHz u Overtemperature protected u Pre-bias startup u Reference accuracy ±1% u Available in MLPD-12 4 x 3 and SOIC-14 Pb-free packages. This product is fully WEEE and RoHS compliant SC4612H is a high performance synchronous buck controller that can be configured for a wide range of applications. The SC4612H utilizes synchronous rectified buck topology where high efficiency is the primary consideration. SC4612H can be used over a wide input voltage range with output voltage adjustable within limits set by the duty cycle boundaries. SC4612H comes with a rich set of features such as regulated DRV supply, programmable soft-start, high current gate drivers, shoot through protection, R DS-ON sensing with hiccup over current protection. u Distributed power architectures u Telecommunication equipment u Servers/work stations u Mixed signal applications u Base station power management u Point of use low voltage high current applications Revision: August 14, 2008 Q1 Q2 L1 C8 C10 + _ + _ Vin Vout R2 R4 C5 R1 adj C1 C9 C2 R5 C3 D1 C7 C4 I LIM 1 PHASE 12 OSC 2 SS/EN 3 FB 5 VDD 6 GND 7 DL 8 DRV 9 BST 10 DH 11 EAO 4 U1 S C4612MLP R3 opt R6 C6 C11 Cin |
Similar Part No. - SC4612HSTRT |
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Similar Description - SC4612HSTRT |
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