EE Product News

Voltage Doubler Eyes Battery-Powered Apps

Targeting battery-powered applications, the TC1240 positive doubling charge pump operates from a supply current of only 180 µA with its internal oscillator frequency being 160 kHz. The device operates over an input range from 2.5V to 4V with a voltage conversion efficiency greater than 99%. It also features a power-saving, active high shutdown mode that limits the current consumption to less than 1 µA. This doubling charge pump requires only two external capacitors and all of the circuitry, including oscillator, control and power MOSFETs, are integrated on-chip. The device is packaged in a six-pin SOT-23A package and is priced at $0.94 each/1,000.


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