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TPS61040DRVR +BOM

28-V, 400-mA Switch Boost Converter in SOT-23 for LCD and White LED Applications

TPS61040DRVR General Description

Designed with a soft-start function to reduce inrush current during start-up, the TPS61040DRVR also features an adjustable output voltage and current limit for versatility in different applications. The compact and thermally-enhanced package, along with integrated thermal shutdown protection, ensures optimal performance even in space-constrained and thermally-sensitive designs

Key Features

  • 1.8-V to 6-V Input Voltage Range
  • Adjustable Output Voltage Range up to 28 V
  • 400-mA (TPS61040) and 250-mA (TPS61041) Internal Switch Current
  • Up to 1-MHz Switching Frequency
  • 28-µA Typical No-Load Quiescent Current
  • 1-µA Typical Shutdown Current
  • Internal Soft Start
  • Available in SOT23-5, TSOT23-5, and 2-mm × 2-mm × 0.8-mm WSON Packages

Specifications

Topology Boost Vin (min) (V) 1.8
Vin (max) (V) 6 Vout (min) (V) 1.8
Vout (max) (V) 28 Switch current limit (typ) (A) 0.4
Type Converter Regulated outputs (#) 1
Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 1000
Iq (typ) (mA) 0.028 Features Enable, Nonsynchronous
Duty cycle (max) (%) 88 Operating temperature range (°C) -40 to 125
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