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TPS62740 - Step Down Converter

Description

The TPS6274x is industry's first step down converter featuring typ.

360nA quiescent current and operating with a tiny 2.2µH inductor and 10µF output capacitor.

This new DCS-Control™ based device extends the light load efficiency range below 10µA load currents.

Features

  • 1 Input Voltage Range VIN from 2.2V to 5.5.
  • Typ. 360nA Quiescent Current.
  • Up to 90% Efficiency at 10µA Output Current.
  • Up to 300mA / 400mA Output Current (TPS62740/TPS62742).
  • RF Friendly DCS-Control TM.
  • Up to 2 MHz Switching Frequency.
  • Low Output Ripple Voltage.
  • 16 Selectable Output Voltages in 100mV Steps between 1.8V to 3.3V.
  • Automatic Transition to No Ripple 100% Mode.
  • Slew Rate Controlled Load Switch.

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Other Datasheets by Texas Instruments

Part Number Description
TPS62742 Step Down Converter
TPS62743 300/400mA High Efficiency Buck Converter
TPS627431 300/400mA High Efficiency Buck Converter
TPS62745 Dual-cell Ultra Low Step Down Converter
TPS627451 Dual-cell Ultra Low Step Down Converter

Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS62740, TPS62742 SLVSB02B – NOVEMBER 2013 – REVISED JULY 2014 TPS6274x 360nA IQ Step Down Converter For Low Power Applications 1 Features •1 Input Voltage Range VIN from 2.2V to 5.5 • Typ. 360nA Quiescent Current • Up to 90% Efficiency at 10µA Output Current • Up to 300mA / 400mA Output Current (TPS62740/TPS62742) • RF Friendly DCS-Control TM • Up to 2 MHz Switching Frequency • Low Output Ripple Voltage • 16 Selectable Output Voltages in 100mV Steps between 1.8V to 3.3V • Automatic Transition to No Ripple 100% Mode • Slew Rate Controlled Load Switch • Discharge Function on VOUT / LOAD • Power Good Output • Optimized for Operation with a Tiny 2.
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