MAX8668

PRODUCTION

1.5MHz Dual Step-Down DC-DC Converters with Dual LDOs and Individual Enables

Save Power and Board Space Using the Industry's First Dual Step-Down DC-DC Converters with Dual Low-Input LDOs

Part Models
8
1ku List Price
Starting From $4.23
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Part Details

  • Tiny, Thin QFN 3mm x 3mm Package
  • Individual Enables
  • Step-Down Converters
    • 600mA Guaranteed Output Current on OUT1
    • 1200mA Guaranteed Output Current on OUT2
    • Tiny Size 2.2µH Chip Inductor (0805)
    • Output Voltage from 0.6V to 3.3V (MAX8668)
    • Ultra-Fast Line and Load Transients
    • Low 25µA Supply Current Each
  • LDOs
    • 300mA Guaranteed
    • Low 1.7V Minimum Supply Voltage
    • Low Output Noise
MAX8668
1.5MHz Dual Step-Down DC-DC Converters with Dual LDOs and Individual Enables
MAX8667, MAX8668: Typical Operating Circuit
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Evaluation Kits

MAX8668EVKIT

MAX8668 Evaluation Kit

Features and Benefits

  • Tiny, Thin QFN, 3mm x 3mm IC Package
  • Individual Enables
  • Dual Step-Down Converters
    • 600mA Guaranteed Current on OUT1
    • 1200mA Guaranteed Current on OUT2
    • Output Voltage from 0.6V to 3.3V
    • Ultra-Fast Line and Load Transients
    • Low 25µA Supply Current Each
  • Dual 300mA LDOs
  • Fully Assembled and Tested

Product Details

The MAX8668 evaluation kit (EV kit) is a fully assembled and tested printed-circuit board (PCB) for evaluating the MAX8668 dual step-down DC-DC converter with dual LDOs. The MAX8668 EV kit operates from a 2.6V to 5.5V supply and provides a 600mA step-down output, a 1200mA step-down output, and two 300mA LDO outputs. The EV kit comes with the MAX8668ETEA+ installed, providing two adjustable step-down outputs and two 2.8V preset LDO outputs. The adjustable output voltages for the two step-down converters are set to 1.2V (OUT1) and 1.8V (OUT2), and can be adjusted from 0.6V to 3.3V by changing resistors on the board. The MAX8668 EV kit can also be used to evaluate any version of the MAX8667 (preset step-down/preset LDO) or MAX8668 (adjustable step-down/preset LDO). Refer to the Selector Guide in the MAX8667/MAX8668 IC data sheet for a list of available preset output voltages.

Applications

  • Cell Phones/Smartphones
  • Digital Cameras, Camcorders
  • Handheld Instruments
  • PCMCIA Cards
  • PDA and Palmtop Computers
  • Portable MP3 and DVD Players

MAX8668EVKIT
MAX8668 Evaluation Kit

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