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AOZ5007 Datasheet(PDF) 1 Page - Alpha & Omega Semiconductors |
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AOZ5007 Datasheet(HTML) 1 Page - Alpha & Omega Semiconductors |
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1 / 16 page  Rev. 1.1 October 2011 www.aosmd.com Page 1 of 16 AOZ5007 High-Current, High-Performance DrMOS Power Module General Description The AOZ5007 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 has low capacitance and gate charge for fast switching with low duty cycle operation. The low side MOSFET has ultra low RDS(ON) to minimize conduction losses. The AOZ5007 is available with two PWM options. AOZ5007QI is intended for use with TTL compatible PWM inputs. AOZ5007QI-01 has lower thresholds on the PWM signal and can operate with 3 V inputs. All other parameters are identical for the two versions. Both versions are tri-state compatible that allows both power MOSFETs to be turned off. A number of features are provided making the AOZ5007 a highly versatile power module. The boot supply diode is integrated in the driver. The low side MOSFET can be driven into diode emulation mode to provide asynchronous operation when required. The pinout is optimized for low inductance routing of the converter keeping the parasitics and their effects to the minimum. Features Fully complies with Intel DrMOS Rev 4.0 specifications 4.5 V to 25 V input voltage range 4.5 V to 5.5 V driver supply range Up to 50 A output current Up to 1.5 MHz PWM operation Tri state PWM input Undervoltage protection Integrated boot supply diode Diode Emulation mode of operation Thermal shutdown alarm with flag Small 6x6 QFN-40L package Applications Servers Notebook computers VRMs for motherboards Point of load DC/DC converters Memory and graphic cards Video gaming consoles Typical Application Circuit +5V CGND VOUT PGND VIN 5V to 25V VDRV VCIN PWM SMOD DISB THDN BOOT VIN Cboot Lout Cin Cout PGND CGND VSWH AOZ5007 PWM Controller Drive Logic and Dead Time Control |
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