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AT1731 - 2-Channel PWM Controller

Description

The AT1731 is a PWM DC/DC converter control IC with 2 channel outputs that can directly drive power MOSFET.

This IC ia suitable for very small DC/DC converters because of their small and thin package(1.1 mm max.), and high operation frequency (up to 1.0 MHz).

Features

  • Low input voltage: 2.5V to 7V.
  • 2-Channels PWM Control: 1 Boost Controller(CH1) 1 Inverting Controller (CH2).
  • Adjustable Soft start time and maximum duty cycle.
  • Built-in timer latch for short circuit protection: Delay time=216/(Switching frequency).
  • Built-in under-voltage lockout, thermal shutdown.
  • High operating frequency: 100kHz to 1MHz.

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Datasheet Details

Part number AT1731
Manufacturer Aimtron Technology
File Size 274.40 KB
Description 2-Channel PWM Controller
Datasheet download datasheet AT1731 Datasheet

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Full PDF Text Transcription

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www.DataSheet4U.com AT1731 Preliminary 2-Channel PWM Controller for LCD Bias General Description The AT1731 is a PWM DC/DC converter control IC with 2 channel outputs that can directly drive power MOSFET. This IC ia suitable for very small DC/DC converters because of their small and thin package(1.1 mm max.), and high operation frequency (up to 1.0 MHz). Features • Low input voltage: 2.5V to 7V • 2-Channels PWM Control: 1 Boost Controller(CH1) 1 Inverting Controller (CH2) • Adjustable Soft start time and maximum duty cycle • Built-in timer latch for short circuit protection: Delay time=216/(Switching frequency) • Built-in under-voltage lockout, thermal shutdown.
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