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ADP3120A

ON Semiconductor
Part Number ADP3120A
Manufacturer ON Semiconductor
Description 12V MOSFET Driver
Published Jun 26, 2009
Detailed Description ADP3120A Dual Bootstrapped, 12 V MOSFET Driver with Output Disable The ADP3120A is a single Phase 12 V MOSFET gate driv...
Datasheet PDF File ADP3120A PDF File

ADP3120A
ADP3120A

Overview
ADP3120A Dual Bootstrapped, 12 V MOSFET Driver with Output Disable The ADP3120A is a single Phase 12 V MOSFET gate drivers 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 45 ns propagation delay and a 25 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 35 V, with transient voltages as high as 40 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 • All−In−One Synchronous Buck Driver • Bootstrapped High−Side Drive • One PWM Signal Generates Both Drives • Anticross Conduction Protection Circuitry • OD for Disabling the Driver Outputs Meets CPU VR Requirement when Used with Patented FlexModet Controller • These are Pb−Free Devices Applications • Multiphase Desktop CPU Supplies • Single−Supply Synchronous Buck Converters © Semiconductor Components Industries, LLC, 2012 1 August, 2018 − Rev.
5 8 1 1 www.
onsemi.
com SO−8 D SUFFIX CASE 751 MARKING DIAGRAMS 8 3120A ALYW G 1 DFN8 MN SUFFIX CASE 506BJ 1 8 L3C ALYWG G A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb−Free Package PIN CONNECTIONS 1 BST IN OD VCC 8 DRVH SWN PGND DRVL 1 8 BST DRVH IN SWN OD PGND VCC DRVL (Top View) ORDERING INFORMATION Device Package Shipping† ADP3120AJRZ SO−8 98 Units / Rail (Pb−Free) ADP3120AJRZ−RL SO−8 2500 / Tape & (Pb−Free) Reel ADP3120AJCPZ−RL DFN8 3000 / Tape & (Pb−Free) R...


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