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PTMA401120 - DC/DC CONVERTERS

Download the PTMA401120 datasheet PDF. This datasheet also covers the PTMA403033 variant, as both devices belong to the same dc/dc converters family and are provided as variant models within a single manufacturer datasheet.

General Description

The PTMA40XX is a series of 10-W rated isolated dc/dc converters, designed to operate from a standard -48-V telecom central office supply.

Key Features

  • Input Voltage: 36 V to 75 V.
  • 10-W Total Output Power.
  • Output Voltages: 3.3 V, 5 V, and 12 V.
  • Output Voltage Trim ±10%.
  • Up To 87% Efficiency.
  • Overcurrent Protection.
  • Input Undervoltage Lockout.
  • Output Overvoltage Protection.
  • Positive or Negative Logic Enable Control Option.
  • Synchronization Option.
  • Space-Saving, Industry Standard Footprint (1.1 in x 1.0 in) / (27.94 mm × 24.38 mm).
  • Industry.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (PTMA403033-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
PTMA402050 DC/DC CONVERTERS
PTMA403033 DC/DC CONVERTERS

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.ti.com Not Recommend for New Designs PTMA403033 PTMA402050 PTMA401120 SLTS259B – FEBRUARY 2006 – REVISED MAY 2007 10-W, 36-V to 75-V INPUT, 1500-V ISOLATION, DC/DC CONVERTERS FEATURES • Input Voltage: 36 V to 75 V • 10-W Total Output Power • Output Voltages: 3.3 V, 5 V, and 12 V • Output Voltage Trim ±10% • Up To 87% Efficiency • Overcurrent Protection • Input Undervoltage Lockout • Output Overvoltage Protection • Positive or Negative Logic Enable Control Option • Synchronization Option • Space-Saving, Industry Standard Footprint (1.1 in x 1.0 in) / (27.94 mm × 24.38 mm) • Industry Standard Pinout • Surface Mount Package • 1500-Vdc Isolation • Agency Approvals: UL/IEC/CSA-C22.