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CS5211GD14 Fiches technique(PDF) 1 Page - ON Semiconductor |
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CS5211GD14 Fiches technique(HTML) 1 Page - ON Semiconductor |
1 / 13 page © Semiconductor Components Industries, LLC, 2006 July, 2006 − Rev. 7 1 Publication Order Number: CS5211/D CS5211 Low Voltage Synchronous Buck Controller The CS5211 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. The CS5211 is in a 14−pin package to allow the designer added flexibility. The CS5211 provides overcurrent protection, undervoltage lockout, Soft−Start and built in adaptive nonoverlap. The CS5211 also provides adjustable fixed frequency range of 150 kHz to 750 kHz. This gives the designer more flexibility to make efficiency and component size compromises. The CS5211 will operate over a 4.5 V to 14 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 • System Power Management ♦ 5.0 V or 12 V Operation ♦ Undervoltage Lockout ♦ On/Off Control Through Use of the COMP Pin • Pb−Free Packages are Available* *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. MARKING DIAGRAM 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 See detailed ordering and shipping information in the package dimensions section on page 2 of this data sheet. ORDERING INFORMATION http://onsemi.com CS5211xG AWLYWW 1 14 CS5211x = Specific Device Code x= E or G A = Assembly Location WL = Wafer Lot Y = Year WW = Work Week G= Pb−Free Package |
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