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AX5301 - PWM Step-up Controller

General Description

The AX5301 is high efficient PWM step-up controller.

Designed to drive an external N-channel MOSFET, Output voltage is programmable with 1.0V of standard voltage supply internal, and using externally connected components, output voltage (FB) can be set up at will.

Key Features

  • Input voltage: 3.0V to 24V Output voltage: Define by N-channel MOS. Duty ratio: 0% to 80% PWM control Oscillation frequency: 500KHz (±20%) . Enable function Soft-Start function Thermal Shutdown function External SW N-channel MOS. MSOP-8L & SOP-8L Pb-Free Package. 1/10 Axelite Confidential Materials, do not copy or distribute without written consent. Rev.0.1 Jun.30, 2006 AX5301 (Preliminary) ™ Block Diagram VCC Phase Compensation + Vref with CE PVCC FB + Buffer Driver GATE PWM Controller.

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Datasheet Details

Part number AX5301
Manufacturer AXElite
File Size 276.23 KB
Description PWM Step-up Controller
Datasheet download datasheet AX5301 Datasheet

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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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AX5301 (Preliminary) PWM Step-up Controller ™ GENERAL DESCRIPTION The AX5301 is high efficient PWM step-up controller. Designed to drive an external N-channel MOSFET, Output voltage is programmable with 1.0V of standard voltage supply internal, and using externally connected components, output voltage (FB) can be set up at will. The AX5301 can be operated at switching frequencies of 500kHz allowing for easy filtering and low noise, the size of the external components can be reduced. This controller also contains an error amplifier circuit as well as a soft-start circuit that prevents inrush-current at startup. An enable function and thermal shutdown functions are built inside. ™ FEATURES Input voltage: 3.0V to 24V Output voltage: Define by N-channel MOS.