PTH12040 Series

275 Watt (50 Amp) Non-Isolated DC-DC Converters

The PTH12040 series non-isolated DC-DC converter complies with the Point-of-Load Alliance (POLA) standard. It offers some of the most advanced POL functions in the industry, including Auto-Track™ sequencing for controlled power-up/power-down of complex semiconductor devices such as DSPs, FPGAs and ASICs, and voltage margining. Standard features include pre-bias startup, programmable input undervoltage lockout, differential remote sense, remote On/Off and auto resetting short-circuit protection.

PTH12040 series converters have an input voltage range of 8 to 14Vdc and an output voltage that can be trimmed from 0.8 to 5.5 Vdc to meet a wide variety of semiconductor power needs. Rated at 275 watts, the converters offer up to 93% efficiency and can deliver up to 50 amps. Available in through-hole horizontal mount and surface-mount versions, they have a small 1 x 2 inch (26.5 x 52 mm) footprint and an installed height of just 0.35 inch (9 mm).

Auto-Track™ is a trademark of Texas Instruments

Datasheet Technical Documentation Print this page
  • Total Max Power:
    275 W
  • Total Max Current:
    50 A
  • Input Voltage:
    8 V to 14 V
  • Output Voltage:
    0.8 V to 5.5 V
  • Outputs:
  • Size (L x W x H):
    2.050" x 1.050" x 0.360"
  • Warranty:
    2 years
  • Operating Temperature:
    -40°C to +85°C

Electrical Specifications

  • Input
  • Output
  • Other
  • Input voltage range: 8 - 14 Vdc
  • Input standby current: 35 mA typ.
  • Voltage adjustability: 0.8 - 5.5 Vdc
  • Ripple and noise: 20 MHz bandwidth; 15 mV typ.
  • Efficiency: 96% max
  • 5.0V/3.3V dual outputs
  • Enable (on/off)
  • Output loadsharing
  • Industry standard pin-out
  • Trim feature, both rails
  • 100°C Baseplate temperature
  • Unencapsulated 2.3" x 2.4" x 0.50" pkg.
  • 48VDC Input
  • Thermal protection

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