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NCP4306AAAZZZAMNTWG

Power Supply Controller Secondary-Side Controller, Synchronous Rectifier 8-DFN (4x4)

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NCP4306AAAZZZAMNTWG General Description

The NCP4306 is high performance driver tailored to control a synchronous rectification MOSFET in switch mode power supplies. Thanks to its high performance drivers and versatility, it can be used in various topologies such as DCM or CCM flyback, quasi resonant flyback, forward and half bridge resonant LLC.

The combination of externally or fixed adjustable minimum off-time and on-time blanking periods helps to fight the ringing induced by the PCB layout and other parasitic elements. A reliable and noise less operation of the SR system is insured due to the Self Synchronization feature. The NCP4306 also utilizes Kelvin connection of the driver to the MOSFET to achieve high efficiency operation at full load and utilizes a light load detection architecture to achieve high efficiency at light load.

The precise turn−off threshold, extremely low turn−off delay time and high sink current capability of the driver allow the maximum synchronous rectification MOSFET conduction time and enables maximum SMPS efficiency. The high accuracy driver and 5 V gate clamp enables the use of GaN MOSFETs.

ON Semiconductor, LLC Inventory

Key Features

  • Precise True Secondary Zero Current Detection
  • Typically 15 ns Turn off Delay from Current Sense Input to Driver
  • Zero Current Detection Pin Capability up to 200 V
  • Optional Ultrafast (10.5ns) Trigger Input
  • Disable Input
  • Adjustable Minimum ON Time and Minimum OFF Time
  • dV/dt detection
  • 7 A Sink, 2 A Source Drive capability
  • Automatic Light Load Disable Mode
  • 3.5V UVLO and Operation Voltage range up to 35V
ON Semiconductor, LLC Original Stock

Application

  • High Power Density AC/DC Power Supplies
ON Semiconductor, LLC Inventory

Specifications

Status Active Case Outline 318G-02
MSL Temp (°C) 260 Container Type REEL

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NCP4306AAAZZZAMNTWG Datasheet PDF

Preliminary Specification NCP4306AAAZZZAMNTWG PDF Download

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