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AX3003

Axelite
Part Number AX3003
Manufacturer Axelite
Description 3A PWM Buck DC/DC Converter
Published Mar 27, 2011
Detailed Description AX3003 150KHz, 3A PWM Buck DC/DC Converter ™ GENERAL DESCRIPTION The AX3003 series are monolithic IC designed for a ste...
Datasheet PDF File AX3003 PDF File

AX3003
AX3003

Overview
AX3003 150KHz, 3A PWM Buck DC/DC Converter ™ GENERAL DESCRIPTION The AX3003 series are monolithic IC designed for a step-down DC/DC converter, and own the ability of driving a 3A load without additional transistor.
It saves board space.
The external shutdown function can be controlled by logic level and then come into standby mode.
The internal compensation makes feedback control having good line and load regulation without external design.
Regarding protected function, thermal shutdown is to prevent over temperature operating from damage, and current limit is against over current operating of the output switch.
If current limit function occurs and VFB is down below 0.
5V, the switching frequency will be reduced.
The AX3003 series operates at a switching frequency of 150KHz thus allow smaller sized filter components than what would be needed with lower frequency switching regulators.
The output version included fixed 3.
3V, 5V, 12V, and an adjustable type.
The chips are available in a 5...


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