ACT4501 Datasheet 1.25a Cc/cv Step-down DC/dc Converter

Manufacturer: Active-Semi

Overview: ACT4501 Rev 2, 14-Nov-12 1.25A CC/CV Step-Down DC/DC Converter.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

Part number	ACT4501
Manufacturer	Active-Semi
File Size	459.36 KB
Description	1.25A CC/CV Step-Down DC/DC Converter
Datasheet	ACT4501 ACT4501-Active Datasheet (PDF)

ACT4501 is a dedicated cost-effective DC-DC converter for 5V/1A car charger applications with a wide input voltage and high efficiency.

The converter operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode.

ACT4501 provides up to 1.25A output current at 125kHz switching frequency.

10V-30V Input Voltage.
40V Transparent Input Voltage Surge.
Up to 1.25A Constant Output Current.
Output Voltage up to 12V.
Good EMC Performance on Single Layer PCB.
Patent Pending ActiveCC Constant Current Control.
Integrated Current Control Improves Efficiency, Lowers Cost, and Reduces Component Count.
Resistor Programmable Outputs.
Current Limit from 500mA to 1250mA Patented cable compensation from DC Cable Compe.

Brand Logo	Part Number	Description	Manufacturer
	ACT4501	Step-Down DC/DC Converter	Qorvo
	ACT4501SH-T	Step-Down DC/DC Converter	Qorvo

Part Number	Description
ACT4513	Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4514	Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4515	Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4523	Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4523A	Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4524	40V/3.5A Buck Converter
ACT4525	40V/3.5A CV/CC Buck Converter
ACT4526	40V/3.0A CV/CC Buck Converter
ACT4527	CV/CC Buck Converter
ACT4528	40V/3.0A CV/CC Buck Converter