Diodes Incorporated

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PAM2307 (Obsolete)


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The PAM2307 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 PAM2307 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 PAM2307 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 PAM2307 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 PAM2307 an ideal choice for high output voltage, high current applications which require a low dropout threshold. The PAM2307 is available in QFN3x3 16-Pin and SOP-8(EP) package.


  • 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
    Efficiency (%) 95
    Frequency Typ (Hz) 1500
    Frequency Typ (kHz) 1500
    HS RDS(ON) (mΩ) 140
    HS RDS(ON) (mΩ) 140
    LS RDS(ON) (mΩ) 90
    LS RDS(ON) (mΩ) 90
    MaximumInput Voltage (V) 5.5
    Maximum Input Voltage (V) 5.5
    Maximum Output Voltage (V) VIN
    MinimumInput Voltage (V) 2.5
    Minimum Input Voltage (V) 2.5
    Minimum Output Voltage (V) 0.6
    Output Current (mA) 3
    Output Current (A) 3
    Output Voltage (V) ADJ(0.6 to VIN)
    Quiescent Current Typ (mA) 0.042
    Quiescent Current Typ (µA) 42
    Shutdown Current Typ (µA) 1
    Shutdown Current Typ (µA) 1
    Type Buck

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