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40V-Rated Automotive-Compliant Synchronous Buck Converter from Diodes Incorporated Supports High Efficiency Operation and Reduces EMI
The AP64060Q has a very low quiescent current (IQ), typically only 90μA, which translates into enhanced light load efficiency. Thanks to the fast switching frequencies this device supports (2MHz), smaller accompanying inductors and capacitors can be selected. Its synchronous rectification eliminates the need for an external Schottky diode, while use of a peak current mode control and built-in loop compensation network further reduces the overall component count.
The proprietary gate driver scheme employed in the AP64060Q alleviates switching node ringing without impacting on MOSFET turn-on and turn-off times. This mitigates high frequency radiated electromagnetic interference (EMI) noise caused by MOSFET switching.
The AP64060Q has an operating ambient temperature range of -40°C to +125°C. Protection features include overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown. This device is supplied in a compact TSOT26 package.
The AP64060Q is available at
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