TF6003 - 3A, 26V Synchronous Rectified Step-Down Converter

Product Type: DC-DC Regulator
Current Status: Release

Product Overview
The TF6003 is a monolithic synchronous buck regulator featuring integrated
100 mΩ MOSFETs that provide continuous 3A output load current. It operates over a wide 4.5V to 26V input voltage range and provides output voltage from 0.923V to 23V at up to 93% efficiency. Its current mode control circuitry provides fast transient response and cycle-by-cycle current limit.
The TF6003 operates at fixed 340 kHz switching frequency. It features programmable soft-start which prevents inrush current at turn-on. In shut-down mode it draws only 3 μA (MAX).
The TF6003 is offered in a thermally enhanced 8-pin SOIC package. It operates over an extended -40 °C to +85 °C temperature range.
Features
  • 3A continuous (4A peak) output current
  • Wide input voltage range: 4.5V to 26V
  • Wide output voltage range: 0.923V to 23V
  • High, >90%, efficiency (V= 5V, 0.15A < I < 3A) enabled by integrated 100 mΩ MOSFET switches
  • Operates at fixed 340 kHz frequency for small filter size
  • 3 μA (MAX) shut-down supply current. Programmable soft-start, cycle-by-cycle over-current protection and input under-voltage lockout
  • Industrial temperature range: -40 °C to +85 °C
  • Drop-in replacement for MP2307
Applications
  • High-Density Point-of-Load Regulators
  • Distributed Power Systems
  • Notebook and Netbook Computers
  • Power Supplies for FPGAs, DSP Blocks and ASICs
  • Set-Top Boxes
  • xDSL Modems
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