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GMK212B7105KG-T Datasheet(PDF) 1 Page - Vishay Siliconix |
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GMK212B7105KG-T Datasheet(HTML) 1 Page - Vishay Siliconix |
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1 / 24 page  Vishay Siliconix SiC414, SiC424 Document Number: 63388 S13-0248-Rev. B, 04-Feb-13 www.vishay.com 1 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 For technical questions, contact: powerictechsupport@vishay.com 6 A, microBUCK® SiC414, SiC424 Integrated Buck Regulator with 5 V LDO DESCRIPTION The Vishay Siliconix SiC414 and SiC424 are an advanced stand-alone synchronous buck regulator featuring integrated power MOSFETs, bootstrap switch, and an internal 5 VLDO in a space-saving PowerPAK MLP44-28L package. The SiC414 and SiC424 are capable of operating with all ceramic solutions and switching frequencies up to 1 MHz. The programmable frequency, synchronous operation and selectable power-save allow operation at high efficiency across the full range of load current. The internal LDO may be used to supply 5 V for the gate drive circuits or it may be bypassed with an external 5 V for optimum efficiency and used to drive external n-channel MOSFETs or other loads. Additional features include cycle-by-cycle current limit, voltage soft-start, under-voltage protection, programmable over-current protection, soft shutdown and selectable power-save. The Vishay Siliconix SiC414 and SiC424 also provides an enable input and a power good output. FEATURES • High efficiency > 95 % • 6 A continuous output current capability • Integrated bootstrap switch • Integrated 5 V/200 mA LDO with bypass logic • Temperature compensated current limit • Pseudo fixed-frequency adaptive on-time control • All ceramic solution enabled • Programmable input UVLO threshold • Independent enable pin for switcher and LDO • Selectable ultrasonic power-save mode (SiC414) • Selectable power-save mode (SiC424) • Internal soft-start and soft-shutdown • 1 % internal reference voltage • Power good output and over voltage protection • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 APPLICATIONS • Notebook, desktop, and server computers • Digital HDTV and digital consumer applications • Networking and telecommunication equipment • Printers, DSL, and STB applications • Embedded applications • Point of load power supplies TYPICAL APPLICATION CIRCUIT AND PACKAGE OPTION PRODUCT SUMMARY Input Voltage Range 3 V to 28 V Output Voltage Range 0.75 V to 5.5 V Operating Frequency 200 kHz to 1 MHz Continuous Output Current 6 A Peak Efficiency 95 % Package PowerPAK MLP44-28L PAD1 AGND BST VLDO VIN VOUT AGND V5V FB PAD3 LX PAD2 VIN LX PGND PGND PGND PGND LX LX 1 2 3 4 5 6 7 8 9 10 11 12 13 14 21 20 19 18 17 16 15 28 27 26 25 24 23 22 VOUT VIN VOUT LDO_EN PGOOD EN/PSV (Tri-State) 3.3 V |
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