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2.3-V to 5.5-V input range, 3.5-MHz fixed frequency 450-mA boost converter

TPS61240DRVT General Description

The TPS61240DRVT is a high efficiency boost converter designed for portable battery-powered applications. It is manufactured by Texas Instruments and offers a output voltage range from 1.8V to 5.5V. The device has a fixed 1.8MHz switching frequency and can deliver up to 400mA of output current.It features a low quiescent current of 55µA, making it suitable for applications requiring extended battery life. The TPS61240DRVT also includes a Power Save Mode, which further reduces power consumption during light load conditions.Additionally, this boost converter has integrated over current protection and thermal shutdown to safeguard the device and ensure safe operation. The TPS61240DRVT is offered in a small 2mm x 2mm SON package, making it ideal for space-constrained designs.

Key Features

  • Efficiency > 90% at Nominal Operating Conditions
  • Total DC Output Voltage Accuracy 5.0 V±2%
  • Typical 30-µA Quiescent Current
  • Best in Class Line and Load Transient
  • Wide VIN Range From 2.3 V to 5.5 V
  • Output Current up to 450 mA
  • Automatic PFM/PWM Mode Transition
  • Low Ripple Power Save Mode for Improved
    Efficiency at Light Loads
  • Internal Softstart, 250-μs Typical Start-Up Time
  • 3.5-MHz Typical Operating Frequency
  • Load Disconnect During Shutdown
  • Current Overload and Thermal Shutdown
  • Three Surface-Mount External Components
    Required (One MLCC Inductor, Two Ceramic
  • Total Solution Size <13 mm2
  • Available in a 6-Pin DSBGA and 2-mm × 2-mm
    WSON Package


Topology Boost Vin (min) (V) 2.3
Vin (max) (V) 5.5 Vout (min) (V) 5
Vout (max) (V) 5 Switch current limit (typ) (A) 0.6
Type Converter Regulated outputs (#) 1
Switching frequency (min) (kHz) 3500 Switching frequency (max) (kHz) 3500
Iq (typ) (mA) 0.03 Features Enable, Light Load Efficiency, Load Disconnect, Synchronous rectification
Duty cycle (max) (%) 100 Operating temperature range (°C) -40 to 85
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