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CS5212ED14 数据表(PDF) 1 Page - ON Semiconductor |
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CS5212ED14 数据表(HTML) 1 Page - ON Semiconductor |
1 / 16 page © Semiconductor Components Industries, LLC, 2002 May, 2002 – Rev. 2 1 Publication Order Number: CS5212/D CS5212 Low Voltage Synchronous Buck Controller The CS5212 is a low voltage synchronous buck controller. It contains all required circuitry for a synchronous buck converter using external N–Channel MOSFETs. High current internal gate drivers are capable of driving high gate capacitance of low RDS(on) NFETs for better efficiency. The V2 ™ control architecture is used to achieve unmatched transient response, the best overall regulation and the simplest loop compensation. Additionally, the CS5212 provides overcurrent protection, undervoltage lockout, soft start, built–in adaptive non–overlap, and an adjustable fixed frequency range of 150 kHz to 750 kHz, which gives the designer more flexibility to make efficiency and component size trade offs. The CS5212 will also operate over a 3.1 V to 7.0 V range using either single or dual input voltage. Features • Switching Regulator Controller – N–Channel Synchronous Buck Design – V2 Control Topology – 200 ns Transient Response – Programmable Fixed Frequency of 150 kHz–750 kHz – 1.0 V 1.5% Internal Reference – Lossless Inductor Sensing Overcurrent Protection – Hiccup Mode Short Circuit Protection – Programmable Soft Start – 40 ns GATE Rise and Fall Times (3.3 nF Load) – 70 ns Adaptive FET Nonoverlap Time – Differential Remote Sense Capability – Available in Industrial and Commerical Temperature Grades • System Power Management – 3.3 V Operation – Undervoltage Lockout – On/Off Control Through Use of the COMP Pin MARKING DIAGRAM x = E or G A = Assembly Location WL, L = Wafer Lot YY, Y = Year WW, W = Work Week 1 GATE(L) PGND SGND VFB GATE(H) IS+ IS– ROSC VCC PIN CONNECTIONS VC BST LGND VFFB COMP SOIC–14 D SUFFIX CASE 751A 1 14 CS5212x AWLYWW See detailed ordering and shipping information in the package dimensions section on page 13 of this data sheet. ORDERING INFORMATION http://onsemi.com |
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