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參數資料
| 型號： | VKA75MS28-8 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 1/4頁 |
| 文件大小： | 63K |
| 代理商： | VKA75MS28-8 |
VKA75xS Rev A 7/98
Page 1
TECHNOLOGIES
Product Data Sheet
75 WATT SINGLE OUTPUT
HIGH DENSITY DC/DC CONVERTER
TM
VKA 75xS Series
FEATURES
q
q 18 - 36V & 33 - 75V INPUT RANGE
q
q SMALL SIZE: 2.28" X 2.4" X 0.50"
q
q HIGH EFFICIENCY: 87% TYPICAL AT 5V
q
q 100
S TRANSIENT RESPONSE 50-100% LOAD STEP
q
q 420kHZ FIXED-FREQUENCY OPERATION
q
q OPERATION TO +100°C BASEPLATE TEMP.
q
q PRIMARY REMOTE ON/OFF, CHOICE OF POS/NEG
LOGIC
q
q ADJUSTABLE OUTPUT VOLTAGE
q
q REMOTE SENSE
q
q CONTINUOUS SHORT-CIRCUIT PROTECTION
q
q THERMAL SHUTDOWN
q
q SAFETY PER UL1950, EN 60950 AND CSA 22.2 #234
PENDING
q
q CASE GROUND PIN
DESCRIPTION
The VKA75xS Series DC/DC converters present an eco-
nomical and practical solution for distributed power
system architectures which require high power density
and efficiency while maintaining system modularity and
upgradeability. With the ability to operate over a wide
input voltage range of 18 to 36 and 33 to 75 volts, these
modules are ideal for use in battery backup applications
common in todays' telecommunication and electronic
data processing applications. The output is fully isolated
from the input, allowing for a variety of polarity and
grounding configurations.
The VKA75xS's proprietary control circuitry responds to
50-100% load steps in 100mSeconds to within 1% nomi-
nal Vout.
The patented fixed frequency architecture combined with
surface mount technology results in a compact, efficient
and reliable solution to DC/DC conversion requirements.
VKA75MS03
3.3V
15.0
81
82
VKA75MS05
48VDC
5.0V
15.0
86
87
VKA75MS12
12.0V
6.3
88
89
VKA75MS15
(33-75)
15.0V
5.0
89
90
VKA75MS24
24.0V
3.1
89
90
VKA75MS28
28.0V
2.7
89
90
VKA75LS03
3.3V
15.0
80
81
VKA75LS05
24VDC
5.0V
15.0
85
86
VKA75LS12
12.0V
6.3
87
88
VKA75LS15
(18-36)
15.0V
5.0
88
89
VKA75LS24
24.0V
3.1
89
90
VKA75LS28
28.0V
2.7
89
90
Efficiency(%)
Input
V
OUT
I
OUT
Note (1)
Model
Voltage (VDC)
(A)
Min
Typ
Input
V
OUT
I
OUT
Note
(1)
Model
Voltage (VDC)
(A)
Min
Typ
Efficiency(%)
AGENCY APPROVALS PENDING
Internet: http://www.cdpowerelectronics.com
Power Electronics Division, United States
3400 E Britannia Drive, Tucson, Arizona 85706
Phone: 520.295.4100
Fax: 520.770.9369
Power Electronics Division, Europe
C&D Technologies (Power Electronics) Ltd.
132 Shannon Industrial Estate, Shannon, Co. Clare, Ireland
Tel: +353.61.474.133
Fax:+353.61.474.141
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