MAX767R

5V to 3.3V Output, Synchronous, Step-Down Power Supply Controller

High Precision ±2.5% Supply for Single or Dual Pentium® Systems

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Part Details

  • >90% Efficiency
  • 700µA Quiescent Supply Current
  • 120µA Standby Supply Current
  • 4.5V-to-5.5V Input Range
  • Low-Cost Application Circuit
  • All N-Channel Switches
  • Small External Components
  • Tiny Shrink-Small-Outline Package (SSOP)
  • Predesigned Applications:
    • Standard 5V to 3.3V DC-DC Converters up to 10A
    • High-Accuracy Pentium P54C VR-Spec Supply
  • Fixed Output Voltages Available:
    • 3.3V (Standard)
    • 3.45V (High-Speed Pentium™)
    • 3.6V (PowerPC™)
MAX767R
5V to 3.3V Output, Synchronous, Step-Down Power Supply Controller
MAX767, MAX767R, MAX767S, MAX767T: Typical Application Circuit
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Evaluation Kits

MAX767EVKIT

Evaluation Kit for the MAX767

Features and Benefits

  • Fixed 3.3V Output Voltage ±4%
  • Up to 1.5A and 5A Output Currents
  • 120µA Standby Supply Current
  • 700µA Quiescent Supply Current
  • 300kHz Switching Frequency
  • More than 90% Efficiency
  • 20-Pin Shrink-Small-Outline Package
  • Fully Assembled and Tested

Product Details

The MAX767 evaluation kit (EV kit) is a fully assembled and tested printed circuit board for Maxim's synchronous, step-down power-supply controller. Providing a tightly regulated 3.3V output voltage from a 5V input source, the EV kit contains two separate, complete circuits with conversion efficiencies greater than 90%. The first all-surface-mount circuit can drive loads up to 1.5A, and the second circuit can drive loads up to 5A.

Applications

  • Audio Systems
  • Cordless Phones
  • Electronic Planners
  • Handheld Instruments (PDAs, Palmtops)
  • Modems
  • Palmtop Computers
  • PCMCIA Cards
  • PCS Telephones

MAX767EVKIT
Evaluation Kit for the MAX767

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