FAN5009

www.DataSheet4U.com www.fairchildsemi.com FAN5009 Dual Bootstrapped 12V MOSFET Driver Features Drives N-channel High-Side and Low-Side MOSFETs in a synchronous buck configuration 12V High-Side and 12V Low-Side Drive Internal Adaptive “Shoot-Through” Protection Integrated Bootstrap Diode for High-Side Drive Fast rise and fall times Switching Frequency Up to 500kHz OD input for Output Disable – allows for synchronization with PWM controller SOIC-8 Package Available in low thermal resistance MLP package General Description The FAN5009 is a dual, high frequency MOSFET driver, specifically designed to drive N-Channel power MOSFETs in a synchronous-rectified buck converter. These drivers, combined with a Fairchild Multi-Phase PWM controller and power MOSFETs, form a complete core voltage regulator solution for advanced microprocessors. The FAN5009 drives the upper and lower MOSFET gates of a synchronous buck regulator to 12VGS. The upper gate drive includes an integrated boot diode and requires only an external bootstrap capacitor (CBOOT). The output drivers in the FAN5009 have the capacity to efficiently switch power MOSFETs at frequencies up to 500kHz. The circuit’s adaptive shoot-through protection prevents the MOSFETs from conducting simultaneously. The FAN5009 is rated for operation from 0°C to +85°C and is available in low-cost SOIC-8 or MLP packages. Applications Multi-phase VRM/VRD regulators for Microprocessor Power High Current/High Frequency DC/DC ...