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AP3502 - 340KHZ 2A SYNCHRONOUS DC-DC BUCK CONVERTER

General Description

The AP3502 is a 340kHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converter, capable of driving a 2A load with high efficiency, excellent line and load regulation.

The device integrates N-channel power MOSFET switches with low onresistance.

Key Features

  • Input Voltage Range: 4.5V to 18V.
  • Fixed 340kHz Frequency.
  • High Efficiency: up to 95%.
  • Output Current: 2A.
  • 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.

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NOT RECOMMENDED FOR NEW DESIGN CONTACT US AP3502 340KHZ 2A SYNCHRONOUS DC-DC BUCK CONVERTER Description The AP3502 is a 340kHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converter, capable of driving a 2A load with high efficiency, excellent line and load regulation. The device integrates N-channel power MOSFET switches with low onresistance. Current mode control provides fast transient response and cycle-by-cycle current limit. The AP3502 employs complete protection to ensure system security, including output Over Voltage Protection, input Under Voltage Lock Out, programmable soft-start, and Over Temperature Protection. Pin Assignments (Top View) BS 1 IN 2 SW 3 GND 4 This IC is available in SOIC-8 package. Features • Input Voltage Range: 4.