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LM2797 - Voltage Converter

Description

The LM2797/98 switched capacitor step-down DC/DC converters efficiently produce a 120mA regulated lowvoltage rail from a 2.6V to 5.5V input.

Fixed output voltage options of 1.5V, 1.8V, and 2.0V are available.

Features

  • 1.
  • 2 Output Voltage Options:.
  • 2.0V ± 5%, 1.8V ± 5%, and 1.5V ± 6%.
  • 120mA Output Current Capability.
  • Multi-Gain and Gain Hopping for Highest Possible Efficiency - up to 90% Efficient.
  • 2.6V to 5.5V Input Range.
  • Input and Output Voltage Monitoring (BATOK and POK).
  • Low Operating Supply Current: 35µA.
  • Shutdown Supply Current: 0.1µA.
  • Thermal and Short Circuit Protection.
  • LM2798 Turn-on Time: 400µs.
  • LM2797.

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Datasheet preview – LM2797

Datasheet Details

Part number LM2797
Manufacturer Texas Instruments
File Size 510.77 KB
Description Voltage Converter
Datasheet download datasheet LM2797 Datasheet
Additional preview pages of the LM2797 datasheet.

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Full PDF Text Transcription

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OBSOLETE LM2797, LM2798 www.ti.com SNVS199C – MAY 2004 – REVISED SEPTEMBER 2011 LM2797/LM2798 120mA High Efficiency Step-Down Switched Capacitor Voltage Converter with Voltage Monitoring Check for Samples: LM2797, LM2798 FEATURES 1 •2 Output Voltage Options: – 2.0V ± 5%, 1.8V ± 5%, and 1.5V ± 6% • 120mA Output Current Capability • Multi-Gain and Gain Hopping for Highest Possible Efficiency - up to 90% Efficient • 2.6V to 5.5V Input Range • Input and Output Voltage Monitoring (BATOK and POK) • Low Operating Supply Current: 35µA • Shutdown Supply Current: 0.
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