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AP3513E - 3A SYNCHRONOUS DC-DC BUCK CONVERTER

General Description

The AP3513E is a 500kHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converter, capable of driving a 3A load with high efficiency, excellent line and load regulation.

The AP3513E exhibits high efficiency at light load.

Key Features

  • Input Voltage Range: 4.5V to 18V.
  • Fixed 500kHz Frequency.
  • High Efficiency at Light Load.
  • Output Current: 3A.
  • Current Mode Control.
  • Built-in Over Current Protection.
  • Built-in Thermal Shutdown Function.
  • Built-in UVLO Function.
  • Built-in Over Voltage Protection.
  • Programmable Soft-start.
  • Hiccup Mode SCP.
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3) (Top View) BS 1 IN 2 SW.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NEW PRODUCT A Product Line of Diodes Incorporated AP3513E 18V, 3A SYNCHRONOUS DC-DC BUCK CONVERTER Description Pin Assignments The AP3513E is a 500kHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converter, capable of driving a 3A load with high efficiency, excellent line and load regulation. The AP3513E exhibits high efficiency at light load. The device integrates N-channel power MOSFET switch with low on-resistance. Current mode control provides fast transient response and cycle-by-cycle current limit. The AP3513E employs complete protection to ensure system security, including output Over Voltage Protection, input Under Voltage Lock Out, programmable Soft-start, Over Temperature Protection and hiccup mode Short Circuit Protection.