MAX1623

PRODUCTION

3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

Industry's Smallest 3A DC-DC with Synchronous Rectifier

Data Sheet (Rev. 2)
Part Models
2
1ku List Price
Starting From $8.08
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    Part Details

    • ±1% Output Accuracy, Including Line and Load Regulation
    • 94% Efficiency
    • Internal Switches
      • 55mΩ PMOS Power Switch
      • 60mΩ NMOS Synchronous-Rectifier Switch
    • Guaranteed 3A Load Capability
    • Minimal External Components
    • Pin-Selectable Fixed 3.3V, 2.5V, or Adjustable (1.1V to 3.8V) Output Voltage
    • 4.5V to 5.5V Input Voltage Range
    • 400µA (typ) Supply Current
    • <1µA Shutdown Supply Current
    • Constant-Off-Time PWM Operation
    • Switching Frequencies Up to 350kHz
    • Idle Mode™ Operation at Light Loads
    • Thermal Shutdown Protection
    • Available in 20-Pin SSOP
    MAX1623
    3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches
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    Documentation

    Data Sheet 1

    Reliability Data 1

    Technical Articles 1

    Learn More

    Hardware Ecosystem

    Parts Product Life Cycle Description
    Switching Regulators & Controllers 2
    MAX1636
    		Low-Voltage, Precision Step-Down Controller for Portable CPU Power
    MAX1644
    		PRODUCTION 2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches
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