AOZ5517QI-02 Datasheet | Alpha & Omega Semiconductors

Description The AOZ5517QI-02 is a high efficiency synchronous buck power stage module consisting of two asymmetrical MOSFETs and an integrated driver. The MOSFETs are individually optimized for operation in the synchronous buck configuration. The High-Side MOSFET is optimized to achieve low capacitance and gate charge for fast switching with low duty cycle operation. The Low-Side MOSFET has ultra low ON resistance to minimize conduction loss. The pact 5mm x 5mm QFN package is optimally chosen and designed to minimize parasitic inductance for minimal EMI signature. The AOZ5517QI-02 uses PWM and/or FCCM input for accurate control of the power MOSFETs switching activities, is patible with 5V (CMOS) logic and supports Tri-State PWM. A number of features are provided making the AOZ5517QI-02 a highly versatile power module. The bootstrap diode is integrated in the driver. The Low-Side MOSFET can be driven into diode emulation mode to provide asynchronous operation and improve light-load performance. The pin-out is also optimized for low parasitics, keeping their effects to a minimum. Features - 4.5V to 25V power supply range - 4.5V to 5.5V driver supply range - 60A continuous output current - Up to 80A with 10ms on pulse - Up to 120A with 10us on pulse - Up to 2MHz switching operation - 5V PWM / Tri-State input patible - Under-Voltage Lock Out protection - FCCM pin control for Shutdown / Diode Emulation / CCM operation - Standard 5mm x 5mm QFN-31L package Applications - Notebook puters - Memory and graphic cards - VRMs for motherboards - Point of load DC/DC converters - Video gaming console Typical Application Circuit THWN VIN BOOT PWM Controller FCCM Driver Logic and Delay AGND CVCC 5V HS Driver LS Driver PVCC PGND CPV CC CBOOT PHASE VSWH 4.5V ~...