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参数资料
| 型号： | PSK1212-7EC |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | METAL, CASE K01, MODULE |
| 文件页数： | 13/18页 |
| 文件大小： | 366K |
| 代理商： | PSK1212-7EC |
PSS, PSK Extended Data Sheet
Positive Switching Regulator (Rugged)
REV. FEB. 25 2004
Page 4 of 18
Table 2b: Input data
Input
PSS 369
PSS 489
PSK 3612
PSK 4812
Characteristics
Conditions
min typ max
Unit
Vi
Operating input voltage
Io = 0 - Io nom
44
144
58
144
V
DVio min Min. diff. voltage Vi – Vo
TC min - TC max
810
Vi o
Undervoltage lock-out
36
48
Ii 0
No load input current
Io = 0, Vi min - Vi max
50
mA
Iinr p
Peak value of inrush current
Vi nom, with option E
6
A
Vi RFI
Input RFI level, EN 55011/22
Vi nom, Io nom
BB
0.15 - 30 MHz
1 Surges up to 156 V for 2 s (complying to LES-DB standard for UN = 110 V).
2 Output set to 15 V at R control input, see Auxiliary Functions.
Input Filter and Fuse
An input filter and a fuse are incorporated in all modules as
standard. The filter reduces emitted electrical noise and
prevents oscillations caused by the negative input imped-
ance characteristic of a switched mode regulator. The input
fuse protects against severe defects.
The maximum permissible additionally superimposed rip-
ple
vi of the input voltage (rectifier mode) at a specified in-
put frequency
fi has the following values:
vi max = 10 Vpp at 100 Hz, or Vpp = 1000 Hz/fi 1 V
Inrush Current
Depending on the input source and the input impedance,
the inrush current into the regulator may peak several thou-
sand amperes during the switch-on sequence. It also deter-
mine the rating of input devices such as switches, relays,
fuses etc. To protect these input devices by limiting the peak
of the inrush current we recommend the use of the active
inrush current limitation circuit, option E.
Electrical Output Data
General Conditions:
–
TA = 25°C, unless TC is specified
– With R control output voltage
Vo = Vo nom at Io nom
– Sense lines connected at female connector
Table 3a: Output data
Output
PSS 129
PSS 129 3
PSS 249
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
Unit
Vo
Output voltage
Vi nom, Io nom
11.93
12.07
14.91
15.09
23.86
24.14
V
Io
Output current 1
Vi min - Vi max
09.0
A
IoL
Output current limitation
TC min - TC max
9.0
11.25
9.0
11.25
9.0
11.25
response
vo
Output
Switching freq.
Vi nom, Io nom
25
50
30
60
35
60
mVpp
voltage
Total
IEC/EN 61204 2
29
54
34
64
39
65
noise
BW = 20 MHz
DVo U
Static line regulation
Vi min - Vi max, Io nom
40
70
50
80
170
mV
DVo l
Static load regulation
Vi nom, Io = 0 - Io nom
30
50
40
60
50
120
vo d
Dynamic
Voltage deviat.
Vi nom
140
180
td
load
Recovery time
Io nom
1/3 Io nom
60
s
regulation
IEC/EN 61204 2
aUo
Temperature coefficient
Vi min - Vi max
±3
±4
±5
mV/K
DVo/DTC (TC min - TC max)
Io = 0 - Io nom
±0.02
%/K
1 See also: Thermal Consideration.
2 See: Technical Information: Measuring and Testing.
3 Output set to 15 V at R control input, see: Auxiliary Functions.
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