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PTB48500 - 48-V INPUT ISOLATED DC/DC CONVERTER

General Description

The PTB4850x power modules are a dual-output isolated DC/DC converter, designed to provide the logic supply voltages for AC-7 based xDSL applications.

The PTB48500 is rated for 13 A of total output current, making it suitable for 32-channel xDSL applications.

Key Features

  • Dual Outputs (Independently Regulated).
  • Input Voltage Range: 36 V to 75 V.
  • Power-Up/Down Sequencing.
  • 1500 VDC Isolation.
  • Over-Current Protection.
  • Over-Temperature Shutdown.
  • Under-Voltage Lockout.
  • Fixed Frequency Operation.
  • Temp Range:.
  • 40°C to 85°C.
  • Industry Standard Outline.
  • Operates with PTB4851x for Complete AC7 Power Solution.
  • Powers up to 64 DSL Ports.
  • Safety Approva.

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Other Datasheets by Texas Instruments

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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.

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PTB48500A and PTB48502A are Not Recommended for New Designs www.ti.com PTB48500 PTB48501 PTB48502 SLTS218C – SEPTEMBER 2003 – REVISED AUGUST 2006 DUAL-OUTPUT, 48-V INPUT ISOLATED DC/DC CONVERTER for xDSL FEATURES • Dual Outputs (Independently Regulated) • Input Voltage Range: 36 V to 75 V • Power-Up/Down Sequencing • 1500 VDC Isolation • Over-Current Protection • Over-Temperature Shutdown • Under-Voltage Lockout • Fixed Frequency Operation • Temp Range: –40°C to 85°C • Industry Standard Outline • Operates with PTB4851x for Complete AC7 Power Solution • Powers up to 64 DSL Ports • Safety Approvals: – UL/cUL 60950 – EN 60950 DESCRIPTION The PTB4850x power modules are a dual-output isolated DC/DC converter, designed to provide the logic supply voltages for AC-7 based xDSL applications.