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TC1240 - Positive Doubling Charge Pumps

Datasheet Summary

Description

The TC1240/TC1240A is a doubling CMOS charge pump voltage converter in a small 6-Pin SOT-23A package.

The TC1240 doubles an input voltage that can range from +2.5V to +4.0V, while the TC1240A doubles an input voltage that can range from +2.5V to +5.5V.

Conversion efficiency is typically >99%.

Features

  • Charge Pumps in 6-Pin SOT-23A Package.
  • >99% Typical Voltage Conversion Efficiency.
  • Voltage Doubling.
  • Input Voltage Range, TC1240: +2.5V to +4.0V, TC1240A: +2.5V to +5.5V.
  • Low Output Resistance, TC1240: 17 (Typical) TC1240A: 12 (Typical).
  • Only Two External Capacitors Required.
  • Low Supply Current, TC1240: 180 µA (Typical) TC1240A: 550 µA (Typical).
  • Power-Saving Shutdown Mode (1 µA Maximum).
  • Shutdown Input Fully Com.

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Datasheet preview – TC1240

Datasheet Details

Part number TC1240
Manufacturer Microchip Technology
File Size 234.73 KB
Description Positive Doubling Charge Pumps
Datasheet download datasheet TC1240 Datasheet
Additional preview pages of the TC1240 datasheet.

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Full PDF Text Transcription

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TC1240/TC1240A Positive Doubling Charge Pumps with Shutdown in a SOT-23 Package Features • Charge Pumps in 6-Pin SOT-23A Package • >99% Typical Voltage Conversion Efficiency • Voltage Doubling • Input Voltage Range, TC1240: +2.5V to +4.0V, TC1240A: +2.5V to +5.5V • Low Output Resistance, TC1240: 17 (Typical) TC1240A: 12 (Typical) • Only Two External Capacitors Required • Low Supply Current, TC1240: 180 µA (Typical) TC1240A: 550 µA (Typical) • Power-Saving Shutdown Mode (1 µA Maximum) • Shutdown Input Fully Compatible with 1.
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