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VTM48ET020M080A00 PDF预览

VTM48ET020M080A00

更新时间: 2024-11-20 08:17:31
品牌 Logo 应用领域
VICOR /
页数 文件大小 规格书
18页 1687K
描述
Current Multiplier

VTM48ET020M080A00 数据手册

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VTM48E x 020 y 080A00  
TM  
S
VTM  
Current Multiplier  
®
C
NRTL US  
C
US  
FEATURES  
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.  
48 Vdc to 2 Vdc 80 A current multiplier  
TM  
- Operating from standard 48 V or 24 V PRM 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  
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  
- Short Circuit  
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.  
- Overtemperature  
Provides enable / disable control,  
internal temperature monitoring  
ZVS / ZCS resonant Sine Amplitude Converter topology  
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.  
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  
(NOM)  
VIN = 26 to 55 V  
IOUT = 80 A  
K = 1/24  
(NO LOAD)  
VOUT = 0.5 to 2.3 V  
PART NUMBERING  
PART NUMBER  
PACKAGE STYLE  
F = J-Lead  
PRODUCT GRADE  
T = -40 to 125°C  
M = -55 to 125°C  
VTM48E x 020 y 080A00  
T = Through hole  
For Storage and Operating Temperatures see Section 6.0 General Characteristics  
TYPICAL APPLICATION  
Regulator  
Voltage Transformer  
VC  
TM  
VC  
PC  
L
PR  
SG  
OS  
CD  
PC  
TM  
IL  
VTMTM  
PRMTM  
Regulator  
(See Application Note AN:024)  
O
A
Transformer  
+Out  
+Out  
+In  
+In  
D
VIN  
-Out  
-Out  
-In  
-In  
Factorized Power ArchitectureTM  
Rev. 3.1  
2/2011  
V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200  
Page 1 of 18  
vicorpower.com  

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