HHS60(2006) Просмотр технического описания (PDF) - Power-One Inc.
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HHS60 Datasheet PDF : 12 Pages
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HHS60 DC-DC Series Data Sheet
48VDC Input, 60 Amp Half-Brick Converter
voltages. The entire system, including the
HHS60 converter, must pass a dielectric
withstand test for Reinforced insulation. Design
of this type of systems requires expert
engineering and under-standing of the overall
safety requirements and should be performed by
qualified personnel.
Thermal Considerations
The HHS60 Series converters are designed for
natural or forced convection cooling. The maximum
allowable output current of the converters is
determined by meeting the derating criteria for all
components used in the converters. For example,
the maximum semiconductor junction temperature is
not allowed to exceed 120 °C to ensure reliable long-
term operation of the converters.
The graphs in Figures 5 thru 8 show the maximum
output current of the HHS60 Series converters at
different ambient temperatures under both natural
and forced convection. (longitudinal airflow direction,
from pin 1 to pin 4).
Test Setup
TO OSCILLOSCOPE
BATTER
Y
Ltest
12 uH
Cs 220 uF
ESR < 0.1 OHM
@ 20 ºC, 100
kHz
22 uF
ESR < 0.7 OHM
@ 20 ºC, 100 kHz
Vi(+)
Vi(-)
Figure 18. Input Reflected Ripple Current Test Setup
Note: Measure input reflected-ripple current with a simulated
inductance (Ltest) of 12 µH. Capacitors offset possible battery
impedance. Measure current as shown above
JUN 06, 2006 revised to JUL 25, 2006
Page 11 of 12
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