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參數資料
| 型號： | SMHP120 |
| 廠商： | Standard Power |
| 英文描述： | DC/DC CONVERTERS 120 VOLT INPUT |
| 中文描述： | DC / DC轉換120伏輸入 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 68K |
| 代理商： | SMHP120 |
MODELS
VDC O
UTPUT
B1-4
SINGLE
5
12
15
DUAL
±12
±15
DC/DC C
ONVERTERS
120 V
OLT
I
NPUT
SMHP120 SERIES
65 WATT
DESCRIPTION
The SMHP120 Series DC/DC converters provide up to 65 watts
of output power over the full -55° to 125°C temperature range.
SMHP120 models operate from a MIL-STD-704 nominal 120 volt
DC power bus – from 80 to 175 VDC – continuous operation and
provide isolated outputs at 5, 12, 15, and 28 VDC. Parallel opera-
tion for all loading conditions is supported without any requirement
for external components.
S
CREENING
SMHP120 converters offer three screening options – Standard, or
Class H. See Section C2, Quality Assurance, pages C2-7 through
C2-9, for descriptions.
C
ONVERTER
D
ESIGN
SMHP120 DC/DC converters are constant frequency, pulse width
modulated switching power supplies which use a quasi-square
wave, two-switch single-ended forward converter design. Tight load
regulation is achieved through a wide-bandwidth magnetic feedback
circuit.
SMHP converters meet a wide variety of military/aerospace
performance and environmental specifications. Their continuous
operation input voltage (80 to 175) meets the normal operating limits
of MIL-STD-704D. The units are built as fully hermetic thick film
hybrids in Interpoint’s MIL-STD-1772 certified facilities.
P
ARALLEL
O
PERATION
Up to five single output SMHP converters may be used in parallel to
power a single load by simply connecting the share pins of all units.
Units in this configuration have a 90% current sharing accuracy over
all loading conditions, and provide true n+1 operation.
F
EATURES
Synchronization – units may be synchronized to an external clock or
to one another by using sync in and sync out pins provided on each
unit. The converters have a nominal switching frequency of 600 kHz,
but may be synchronized at any frequency from 525 to 675 kHz.
Low voltage lock-out – shuts down when the input line voltage falls
below approximately 50 VDC to provide smooth initialization.
Continuous short circuit protection – using foldback current limit set
at approximately 125%.
Soft-start – at both turn-on and recovery after load fault conditions.
Remote sense – to provide automatic compensation for voltage
drops on output lines on single output models.
For more information, contact your Interpoint representative
listed in Section A5.
F
EATURES
Fully qualified to Class H
–55° to +125°C operation
80 to 175 VDC input
Fully Isolated
Magnetic feedback
Fixed frequency, 600 kHz typical
Topology – Single Ended Forward
Inhibit input and output side
Sync in and out
Indefinite short circuit protection
Remote sense on single
output models
Up to 85% efficiency
Parallelable up to 180 watts
Size (max.): 3.005 x 1.505 x 0.400 inches (76.33 x 38.23 x 10.16mm)
See Section B8, case U1, for dimensions.
Weight:
100 grams maximum
Screening: Standard or Class H (MIL-PRF-38534)
See Section C2 for screening options, see Section A5
for ordering information.
All technical information is believed to be accurate, but no responsibility is
assumed for errors or omissions. Interpoint reserves the right to make changes in
products or specifications without notice. SMHP120 is a trademark of Interpoint.
Copyright 1999 Interpoint. All rights reserved.
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| SMHP200R100F | 制造商:TT Electronics / BI Technologies 功能描述:RESISTOR 100 MILI OHM 1% 20W TO-263 制造商:TT Electronics / BI Technologies 功能描述:RESISTOR, 100 MILI OHM 1% 20W TO-263 制造商:TT Electronics / BI Technologies 功能描述:SMHP200R100F |
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