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TC1240A - Positive Doubling Charge Pumps

General 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%.

Key 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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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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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 1.8V Logic Systems General 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.