45
Features
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•
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675 Watts output power
Unity power factor
85-264 Vac universal input
Meets EN 61000-3-2
Short circuit protection
Input surge limiting
High efficiency
VI-HAM
TM
High-Boost Harmonic
Attenuation Module
Product Overview
The high-boost HAM (Harmonic Attenuator
Module) is a universal AC input, PFC front-
end module that has been optimized for use
with Vicor’s V375 series of DC-DC
converters.
A single high-boost HAM may be used with
any combination of V375 series DC-DC
converters which are available in quarter,
half and full brick packages with up to 600
Watts of output power. Versions without
internal diode bridges (HAMD and BAMD)
can be operated in parallel to provide power
expansion capability. The combination of the
high-boost HAM with V375 DC-DC
converters results in a power conversion
system with twice the power density, fewer
components and lower cost compared to
previous HAM-based solutions.
In addition, the high-boost HAM is fully
compatible with Vicor’s VI-26x and VI-J6x
series DC-DC converters. This gives
designers the freedom to choose from the
industry’s broadest selection of DC-DC
converters with outputs from 2 to 95 Vdc,
50 – 600 Watts. The user need only provide
external hold-up capacitors, a few discrete
components, and a line filter (available
from Vicor).
Actual size:
4.6 x 2.4 x 0.5 in
(116,8 x 61,0 x 12,7 mm)
Absolute Maximum Ratings
Parameter
L to N voltage
L to N voltage
Output power
Mounting torque
Pin soldering temperature
Baseplate temperature
Auxiliary output
Rating
265
280
750
5 (0.57)
750 (400)
85
3
Unit
Vac
Vac
Watts
in- lbs (N-m)
°F (°C)
°C
mA
Notes
Continuous
100 ms
# 6-32 or m3.5
Part Numbering
VI-HAM
Product Type
VI-HAM = Hamonic Attenuator Module
VI-HAMD = Hamonic Attenuator Module
Driver
VI-BAMD = Hamonic Attenuator Module
Booster
(VI-HAMD and VI-BAMD can be used in parrallel
or in arrays for applications that require more
than the power available from a single VI-HAM)
-
C
Product Grade
E = –10°C to +85°C
C = –20°C to +85°C
I = –40°C to +85°C
M = –55°C to +85°C
L
Output
L = 675 W
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
HAM, Harmonic Attenuation Module
Rev. 1.5
Page 1 of 8
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