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VTM48EF020T080A00 Datasheet(PDF) 1 Page - Vicor Corporation |
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VTM48EF020T080A00 Datasheet(HTML) 1 Page - Vicor Corporation |
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1 / 18 page  Rev. 3.1 2/2011 Page 1 of 18 V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200 vicorpower.com x 020 080A00 y E 48 VTM FEATURES • 48 Vdc to 2 Vdc 80 A current multiplier - Operating from standard 48 V or 24 V PRMTM regulators • High efficiency (>92%) reduces system power consumption • High density (272 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 50ºC temperature rise at full load in typical applications TYPICAL APPLICATIONS • High End Computing Systems • Automated Test Equipment • High Density Power Supplies • Communications Systems DESCRIPTION The V•I ChipTM current multiplier is a high efficiency (>92%) 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 Amplitude Converter. Since the K factor of the VTM48EF020T080A00 is 1/24, the capacitance value can be reduced by a factor of 576, resulting in savings of board area, materials and total system cost. The VTM48EF020T080A00 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 VTM48EF020T080A00 increases overall system efficiency and lowers operating costs compared to conventional approaches. The VTM48EF020T080A00 enables the utilization of Factorized Power ArchitectureTM which provides efficiency and size benefits by lowering conversion and distribution losses and promoting high density point of load conversion. VTMTM Current Multiplier VIN = 26 to 55 V VOUT = 0.5 to 2.3 V(NO LOAD) IOUT = 80 A(NOM) K = 1/24 VIN L O A D PR PC VC TM IL OS SG PRM TM Regulator CD -Out +Out -In +In PC VC TM -Out +Out -In +In Regulator Voltage Transformer Factorized Power Architecture TM VTM TM Transformer (See Application Note AN:024) C US ® S NRTL C US PART NUMBER PACKAGE STYLE PRODUCT GRADE F = J-Lead T = -40 to 125°C T = Through hole M = -55 to 125°C PART NUMBERING For Storage and Operating Temperatures see Section 6.0 General Characteristics 020 x y 080A00 E 48 VTM TYPICAL APPLICATION |
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