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ACT4088US-T8082 - 1.4MHz Step-Down DC/DC Converter

This page provides the datasheet information for the ACT4088US-T8082, a member of the ACT4088 1.4MHz Step-Down DC/DC Converter family.

Description

The ACT4088 is a current-mode step-down DC/DC converter that supplies up to 1.5A into 5V from a 12V input.

1.4MHz switching frequency allows the use of tiny external components, and internal loop compensation provides simple, stable power supplies with a minimum of external components.

Features

  • Wide 4.5V to 28V Input Voltage Range.
  • 1.5A Output Current (12VIN to 5VOUT).
  • Output Adjustable Down to 0.81V.
  • 0.3Ω Internal Power MOSFET.
  • Up to 92% Efficiency.
  • Stable with Low ESR Ceramic Output Capacitors.
  • Fixed 1.4MHz Operating Frequency.
  • Internal Soft-Start Function.
  • Over Current Protection with Hiccup-Mode.
  • Thermal Shutdown.
  • Available in a SOT23-6 Package.

📥 Download Datasheet

Datasheet preview – ACT4088US-T8082

Datasheet Details

Part number ACT4088US-T8082
Manufacturer Qorvo
File Size 1.26 MB
Description 1.4MHz Step-Down DC/DC Converter
Datasheet download datasheet ACT4088US-T8082 Datasheet
Additional preview pages of the ACT4088US-T8082 datasheet.

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Full PDF Text Transcription

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FEATURES • Wide 4.5V to 28V Input Voltage Range • 1.5A Output Current (12VIN to 5VOUT) • Output Adjustable Down to 0.81V • 0.3Ω Internal Power MOSFET • Up to 92% Efficiency • Stable with Low ESR Ceramic Output Capacitors • Fixed 1.4MHz Operating Frequency • Internal Soft-Start Function • Over Current Protection with Hiccup-Mode • Thermal Shutdown • Available in a SOT23-6 Package APPLICATIONS • TFT LCD Monitors • Portable DVD, Headphones, MP3 Players, etc. • Car-Powered or Battery-Powered Equipment • Set-Top Boxes • Telecom Power Supplies • DSL and Cable Modems and Routers TYPICAL APPLICATION CIRCUIT ACT4088 28V, 1.5A, 1.4MHz Step-Down DC/DC Converter in SOT23-6 GENERAL DESCRIPTION The ACT4088 is a current-mode step-down DC/DC converter that supplies up to 1.5A into 5V from a 12V input. 1.
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