24 February 2016
Power Electronics / Power Management
The AR30N60PPA is a high-performance active/synchronous rectifier optimised for secondary-side synchronous rectification, providing an output voltage from 3,5 V – 6 V.
The device, made by Diodes Incorporated, integrates the MOSFET and controller which emulates the characteristics of a near-ideal diode rectifier. This reduces secondary-side energy consumption as well as improves primary-side power dissipation.
The smart SYNC pin, when connected to a suitable primary-side control signal and under continuous conduction mode (CCM), allows the embedded MOSFET to work synchronously with the primary-side switch, thus avoiding the unfavourable shoot-through condition.
Other intelligent features which improve conversion efficiency and system integrity are light-load detection to reduce standby power consumption, TON and TOFF/EN pins to prevent run-away ON-time due to open circuit or short circuit conditions, SFB pin to provide over-temperature protection (OTP) and under-voltage lock-out (UVLO) to ensure system reliability.
The AR30N60PPA is ideally suited for high-efficiency AC-DC power converters which support fast charging. In addition, the device supports either flyback or LLC-resonant topology and operates under discontinuous conduction (DC), continuous conduction (CC) or quasi-resonant (QR) modes. It is housed in the small form-factor DFN6040 package, which is both halogen-free and RoHS-compliant.
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