Diodes Incorporated
SO 8EP

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PAM2320

3A LOW NOISE STEP-DOWN DC-DC CONVERTER

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Description

The PAM2320 is a 3A step-down DC-DC converter. At heavy load, the constant-frequency PWM control performs excellent stability and transient response. No external compensation components are required. The PAM2320 supports a range of input voltages from 2.7V to 5.5V, allowing the use of a single Li+/Li-polymer cell, multiple Alkaline/NiMH cell, and other standard power sources. The output voltage is adjustable from 0.6V to the input voltage. The PAM2320 employs internal power switch and synchronous rectifier to minimize external part count and realize high efficiency. During shutdown, the input is disconnected from the output and the shutdown current is less than 1μA. Other key features include over-temperature and short circuit protection, and under-voltage lockout to prevent deep battery discharge. The PAM2320 delivers 3A maximum output current while consuming only 42μA of no-load quiescent current. Ultra-low RDS(ON) integrated MOSFETs and 100% duty cycle operation make the PAM2320 an ideal choice for high output voltage, high current applications which require a low dropout threshold. The PAM2320 is available in PSOP8 package.

Application(s)

  • 5V or 3.3V Point of Load Conversion
  • Telecom/Networking Equipment
  • Set Top Boxes
  • Storage Equipment
  • Video Cards
  • DDR Power Supply
  • Product Specifications

    Product Parameters

    Compliance(Only Automotive supports PPAP) Standard
    Type Buck
    Minimum Input Voltage (V) 2.7
    Maximum Input Voltage (V) 5.5
    Output Current (A) 3
    Minimum Output Voltage (V) 0.6
    Maximum Output Voltage (V) VIN
    Quiescent Current Typ (µA) 42
    Shutdown Current Typ (µA) 1
    Frequency Typ (kHz) 1500
    HS RDS(ON) (mΩ) 85
    LS RDS(ON) (mΩ) 60

    Related Content

    Packages

    Technical Documents

    Evaluation Boards and User Guides

    Recommended Soldering Techniques

    TN1.pdf