参数资料
| 型号： | PSS489-7 |
| 厂商： | Power-One |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | SWITCHING REGULATOR 432W 48V |
| 标准包装： | 1 |
| 系列： | * |
PSK, PSS Series Data Sheet
?
111
4.4"
3U
Positive Switching Regulators
111
4.4"
3U
60
2.4"
12 TE
168
6.6"
80
3.2"
16 TE
168
6.6"
Description
The PSK/PSS Series of positive switching regulators is
designed as power supplies for electronic systems, where no
input-to-output isolation is required. Their major advantages
include a high level of efficiency, high reliability, low output
ripple, and excellent dynamic response. Models with input
voltages up to 144 V are specially designed for secondary
switched and battery-driven mobile applications. The con-
verters are suitable for railway applications according to EN
50155 and EN 50121.
Two type of housings are available allowing operation up to
71 °C. They are designed for insertion into a 19" DIN-rack or
for chassis mounting. Replacing the heat sink by an optional
cooling plate, allows chassis or wall mounting on top of a metal
surface, acting as heat sink.
Various options are available to adapt the converter to different
applications. Connector type: H15 or H15S4, depending on
output current.
Features
? RoHS lead-free-solder and lead-solder-exempted
products are available
? Input voltage up to 144 VDC
? Single output of 3.3 to 48 VDC
? No input-to-output isolation
? High efficiency up to 97%
? Extremely wide input voltage range
? Low input-to-output differential voltage
? Very good dynamic properties
? Input undervoltage lockout
? Active current sharing for parallel operation
? Output voltage adjustment, inhibit, and sense lines
? Continuously no-load and short-circuit proof
? All boards are coated with a protective lacquer
? Safety-approved to IEC/EN 60950-1 and UL/CSA
60950-1 2 nd Ed.
Table of Contents
Page
Page
Description ............................................................................ 1
Model Selection .................................................................... 2
Functional Description .......................................................... 3
Electrical Input Data .............................................................. 4
Electrical Output Data ........................................................... 6
Auxiliary Functions .............................................................. 10
Electromagnetic Compatibility (EMC) ................................. 12
Immunity to Environmental Conditions ............................... 13
Mechanical Data ................................................................. 14
Safety and Installation Instructions ..................................... 16
Description of Options ........................................................ 17
Accessories ........................................................................ 19
x
BCD20029-G Rev AB, 12-Aug-2013
MELCHER
The Power Partners.
Page 1 of 20
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