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SGM3207 - Unregulated 60mA Charge Pump Voltage Inverter

General Description

The SGM3207 generates an unregulated negative output voltage from an input voltage ranging from 1.4V to 5.5V.

The device is typically supplied by a pre-regulated supply rail of 5V or 3.3V.

Key Features

  • Inverts Input Supply Voltage.
  • Up to 60mA Output Current.
  • Input Voltage Range from 1.4V to 5.5V.
  • Quiescent Current: 72μA (TYP).
  • Integrated Active Schottky Diode for Start-Up into Load.
  • -40℃ to +85℃ Operating Temperature Range.
  • Available in Green SOT-23-5 Package.

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Datasheet Details

Part number SGM3207
Manufacturer SG Micro
File Size 313.11 KB
Description Unregulated 60mA Charge Pump Voltage Inverter
Datasheet download datasheet SGM3207 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SGM3207 Unregulated 60mA Charge Pump Voltage Inverter GENERAL DESCRIPTION The SGM3207 generates an unregulated negative output voltage from an input voltage ranging from 1.4V to 5.5V. The device is typically supplied by a pre-regulated supply rail of 5V or 3.3V. Due to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as one Li-ion cell can also power them. Only three external capacitors are required to build a complete DC/DC charge pump inverter. Assembled in a small package, the complete converter can be built on a 50mm2 board area. Additional board area and component count reduction is achieved by replacing the Schottky diode that is typically needed for start-up into load by integrated circuitry.