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TPS61043DRBR +BOM

TPS61043: constant current LED driver

TPS61043DRBR General Description

The compact 10-pin VSON package of the TPS61043DRBR makes it easy to integrate into space-constrained designs without compromising on performance. Its efficiency and versatility make it a popular choice among designers looking for a high-quality boost converter for their projects

Key Features

  • Current Source With 18-V Overvoltage Protection
  • Powers up to 4 LEDs in Series
  • Input Voltage Range: 1.8 V to 6 V
  • Internal 30-V Switch
  • Up to 85% Efficiency
  • Precise Brightness Control Using PWM Signal or
    Analog Signal
  • Switching Frequency up to 1 MHz
  • Internal Power MOSFET Switch 400 mA
  • Operates With Small Output Capacitors Down to
    100 nF
  • Disconnects LEDs During Shutdown
  • No Load Quiescent Current 38 µA Typical
  • Shutdown Current 0.1 µA Typical
  • Available in a Small 3-mm × 3-mm QFN Package

Specifications

Number of channels 1 Vin (min) (V) 1.8
Vin (max) (V) 6 Vout (min) (V) 1.8
Vout (max) (V) 16.9 Type Inductive
Switching frequency (max) (kHz) 1000 Duty cycle (max) (%) 88
LED current per channel (mA) 50 Peak efficiency (%) 85
Topology Boost Features Load Disconnect During Shutdown
Operating temperature range (°C) -40 to 85 Rating Catalog

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