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NCP3488

ON Semiconductor
Part Number NCP3488
Manufacturer ON Semiconductor
Description MOSFET Driver
Published Jan 16, 2007
Detailed Description www.DataSheet4U.com NCP3488 MOSFET Driver with Dual Outputs for Synchronous Buck Converters The NCP3488 is a single Pha...
Datasheet PDF File NCP3488 PDF File

NCP3488
NCP3488

Overview
www.
DataSheet4U.
com NCP3488 MOSFET Driver with Dual Outputs for Synchronous Buck Converters The NCP3488 is a single Phase 12 V MOSFET gate driver optimized to drive the gates of both high−side and low−side power MOSFETs in a synchronous buck converter.
The high−side and low−side driver is capable of driving a 3000 pF load with a 25 ns propagation delay and a 20 ns transition time.
With a wide operating voltage range, high or low side MOSFET gate drive voltage can be optimized for the best efficiency.
Internal adaptive nonoverlap circuitry further reduces switching losses by preventing simultaneous conduction of both MOSFETs.
The floating top driver design can accommodate VBST voltages as high as 30 V, with transient voltages as high as 35 V.
Both gate outputs can be driven low by applying a low logic level to the Output Disable (OD) pin.
An Undervoltage Lockout function ensures that both driver outputs are low when the supply voltage is low, and a Thermal Shutdown function provides the IC with overtemperature protection.
Features http://onsemi.
com MARKING DIAGRAMS 8 8 1 A L Y W G SO−8 D SUFFIX CASE 751 N3488 ALYW G 1 = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package PIN CONNECTIONS BST IN OD VCC 1 8 DRVH SWN PGND DRVL • Thermal Shutdown for System Protection • Internal Pulldown Resistor Suppresses Transient Turn On of Either • • • • • • • • • MOSFET Anti Cross−Conduction Protection Circuitry Floating Top Driver Accommodates Boost Voltages of up to 30 V One Input Signal Controls Both the Upper and Lower Gate Outputs Output Disable Control Turns Off Both MOSFETs Complies with VRM10.
x and VRM11.
x Specifications Undervoltage Lockout Thermal Shutdown Thermally Enhanced Package Available This is a Pb−Free Device ORDERING INFORMATION Device NCP3488DR2G Package SO−8 (Pb−Free) Shipping † 2500 Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifica...


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