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Manufacturer Part #

VTM48EF015T115A00

185 W 26 to 55 V Input 1.5 V Output 115 A Full V-I Chip VTM Transformer

Mfr. Name: Vicor
Standard Pkg:
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Product Specification Section
Technical Attributes
Attributes Table
Input Voltage: 26V to 55V
Output Voltage: 1.5V
Output Power: 185W
Output Current: 115A
Dimensions: Full-Chip (32.5 x 22.0 x 6.73 mm)
Features & Applications

The VTM48EF015T115A00 is a V•I ChipTM transformer it has high efficiency (>94%) Sine Amplitude ConverterTM (SACTM) operating from a 26 to 55 Vdc primary bus to deliver an isolated output. The Sine Amplitude Converter offers a low AC impedance beyond the bandwidth of most downstream regulators; therefore capacitance normally at the load can be located at the input to the Sine AmplitudeConverter. Since the K factor of the VTM48EF015T115A00 is 1/32, the capacitance value can be reduced by a factor of 1024, resulting in savings of board area, materials and total system cost.

The VTM48EF015T115A00 is provided in a V•I Chip package compatible with standard pick-and-place and surface mount assembly processes. The co-molded V•I Chip package provides enhanced thermal management due to a large thermal interface area and superior thermal conductivity. The high conversion efficiency of the VTM48EF015T115A00 increases overall system efficiency and lowers operating costs compared to conventional approaches.

Features:

  • 48 Vdc to 1.5 Vdc 115 A transformer
    • Operating from standard 48 V or 24 V PRMTM regulators
  • High efficiency (>94%) reduces system power consumption
  • High density (392 A/A/in³)
  • “Full Chip” V•I Chip package enables surface mount, low impedance interconnect to system board
  • Contains built-in protection features:
    • Overvoltage Lockout
    • Overcurrent
    • Short Circuit
    • Overtemperature
  • Provides enable / disable control, internal temperature monitoring
  • ZVS / ZCS resonant Sine Amplitude Converter topology
  • Less than 50 ºC temperature rise at full load in typical applications

Applications:

  • High End Computing Systems
  • Automated Test Equipment
  • High Density Power Supplies
  • Communications Systems

View the Complete family of VTM48E Transformers

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Total
$93.96
USD
Quantity
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1
$93.96
4
$84.53
15
$76.42
40
$70.91
100+
$66.12
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