Diodes Incorporated

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PAM2422 (Obsolete)


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The PAM242x devices are high-performance, fixed frequency, current-mode PWM step-up DC-DC converters that incorporate internal power MOSFETs. The PAM242x includes an integrated power MOSFET that supports peak currents of up to 3A/4.5A/5.5A.

The PAM242x utilizes simple external loop compensation allowing optimization between component size, cost and AC performance across a wide range of applications. Additional functions include an externally programmable soft-start function for easy inrush current control, internal over-voltage protection (OVP), cycle-by-cycle current limit protection, undervoltage lockout and thermal shutdown.

The PAM242x is available in the small SO-8EP package.


  • Greater than 90% Efficiency
  • Adjustable Output Voltage Up to 24V
  • Internal 24V Power MOSFET
  • Peak Current 3A,4.5A,5.5A
  • 520kHz Frequency
  • Built-In Overvoltage Protection (OVP)
  • Open Protection
  • Programmable Soft-Start Function
  • Thermal Shutdowns
  • UnderVoltage Lockout
  • Overcurrent Protection
  • SO-8EP Package


  • TFT LCD Monitors
  • Battery-Powered Equipment
  • Set-Top Boxes
  • DSL and Cable Modems and Routers

Product Specifications

Product Parameters

Efficiency (%) 90
Frequency Typ (Hz) 520, 520K
HS RDS(ON) (mΩ) 100
LS RDS(ON) (mΩ) 70
MaximumInput Voltage (V) 5.5
Maximum Output Voltage (V) 28
MinimumInput Voltage (V) 2.7
Minimum Output Voltage (V) 2.7
Output Current (mA) 4.5
Quiescent Current Typ (mA) 0.25
Shutdown Current Typ (µA) 0.1
Type Boost

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Technical Documents

Recommended Soldering Techniques


Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site


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