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VTM48EH040_025A00 PDF预览

VTM48EH040_025A00

更新时间： 2024-11-18 12:24:39
品牌 Logo 应用领域
VICOR /
页数 文件大小 规格书
16页 1750K
描述
VTM™Current Multiplier

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VTM48EH040_025A00 数据手册

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VTM48EH040 x 025A00  
(Formerly VIV0104THJ)  
VTM™  
Current Multiplier  
S
®
C
NRTL US  
C
US  
FEATURES  
DESCRIPTION  
•
The V I Chip™ current multiplier is a high efficiency (>93%)  
Sine Amplitude Converter™ (SAC™) 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, which  
means that capacitance normally at the load can be located  
at the input to the Sine Amplitude Converter. Since the K factor  
of the VTM48EH040T025A00 is 1/12, that capacitance value  
can be reduced by a factor of 144, resulting in savings of board  
area, materials and total system cost.  
• 40 Vdc to 3.3 Vdc 25 A current multiplier  
TM  
- Operating from standard 48 V or 24 V PRM regulators  
• High efficiency (>93%) reduces system power  
consumption  
• High density (167 A/in3)  
•
• “Half Chip” V I Chip™ package enables surface mount,  
low impedance interconnect to system board  
• Contains built-in protection features against:  
- Overvoltage  
•
The VTM48EH040T025A00 is provided in a V I Chip package  
compatible with standard pick-and-place and surface mount  
- Overcurrent  
- Short Circuit  
•
assembly processes. The co-molded V I Chip package provides  
enhanced thermal management due to large thermal interface  
area and superior thermal conductivity. With high conversion  
efficiency the VTM48EH040T025A00 increases overall system  
efficiency and lowers operating costs compared to conventional  
approaches.  
- Overtemperature  
• Provides enable/disable control, internal temperature  
monitoring, current monitoring  
• ZVS/ZCS resonant Sine Amplitude Converter topology  
The VTM48EH040T025A00 enables the utilization of Factorized  
Power ArchitectureTM providing 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  
• 0  
(NOM)  
VIN = 26 to 55 V  
OUT = 2.2 to 4.6 V  
IOUT = 25 A  
K= 1/12  
(NO LOAD)  
V
PART NUMBERING  
PART NUMBER  
PRODUCT GRADE  
T = -40° to 125°C  
M = -55° to 125°C  
VTM48EH040 x 025A00  
For Storage and Operating Temperatures see Section 6.0 General Characteristics  
Regulator  
Current Multiplier  
VC  
IM  
PC  
VC  
PR  
SG  
OS  
CD  
TM  
PC  
TM  
IL  
L
O
A
D
(See Application Note AN:024)  
VTM™  
PRM™  
+Out  
+Out  
+In  
+In  
VIN  
-Out  
-Out  
-In  
-In  
Factorized Power Architecture™  
Rev. 2.0  
5/2011  
V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200  
Page 1 of 16  
vicorpower.com  
1234567...16

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