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AT1691 - 1A High Efficiency Buck Converter

Description

The AT1691 provides complete control for a DC/DC converter optimized for high-performance microprocessor applications.

It is operated on current mode architecture for excellent line and load transient response.

Features

  • Input voltage: 2.5V ~5.5V.
  • High efficiency (95%).
  • No Schottky Diode Required.
  • 1A Output Current at 5V Input 3.3V Output.
  • 1.5MHz Switching Frequency.
  • Built-in ON/OFF Function.
  • Low Dropout Operation: 100% Duty Cycle.
  • Thermal Protection.
  • Tiny 6-Lead TDFN2X2 Package.
  • RoHS Compliant.

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Datasheet preview – AT1691

Datasheet Details

Part number AT1691
Manufacturer Global Mixed-mode Technology
File Size 72.07 KB
Description 1A High Efficiency Buck Converter
Datasheet download datasheet AT1691 Datasheet
Additional preview pages of the AT1691 datasheet.

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Full PDF Text Transcription

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Global Mixed-mode Technology AT1691 1.5MHz, 1A High Efficiency Buck Converter Features „ Input voltage: 2.5V ~5.5V „ High efficiency (95%) „ No Schottky Diode Required „ 1A Output Current at 5V Input 3.3V Output „ 1.5MHz Switching Frequency „ Built-in ON/OFF Function „ Low Dropout Operation: 100% Duty Cycle „ Thermal Protection „ Tiny 6-Lead TDFN2X2 Package „ RoHS Compliant Applications „ Mobile Phones „ Wireless and DSL modems „ Power Supply for Portable Devices General Description The AT1691 provides complete control for a DC/DC converter optimized for high-performance microprocessor applications. It is operated on current mode architecture for excellent line and load transient response. 1.5MHz operation frequency is allowing the use of small surface mount inductor and capacitor.
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