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參數(shù)資料
| 型號(hào)： | PSS3612-7EPCB |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE S01, MODULE |
| 文件頁數(shù)： | 13/19頁 |
| 文件大?。?/td> | 370K |
| 代理商： | PSS3612-7EPCB |
PSS, PSK Extended Data Sheet
Positive Switching Regulator (Industrial)
REV. FEB 25, 2004
Page 3 of 19
Electrical Input Data
General Conditions:
TA = 25°C, unless TC is specified
Table 2a: Input data
Input
PSK 3E25
PSS 5A12
PSS 1212
PSK 5A25
PSK 5A16
PSK 1216
PSK 5A20
PSK 1220
Characteristics
Conditions
min typ max
Unit
Vi
Operating input voltage
Io = 0 - Io nom
8
40
8
80
15
80
V DC
DVio min Min. diff. voltage (Vi – Vo)
TC min - TC max
4.7/2.9
2.9
3
Vi o
Undervoltage lock-out
6.5
7.3
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
20
40
A
ui RFI
Input RFI level, EN 55011/22
Vi nom, Io nom
BB
B
0.15 - 30 MHz
1 Output set to 15 V at R control input, see: Auxiliary Functions.
Control
circuit
Go–
Vo+
Gi–
Vi+
R
i
Io
Vo
I i
Vi
03024
Input
Filter
S+
CS
S–
Option P
Option C
Option
E
+
–
4
6
20
22
14
16
18
8
10
30
32
26
28
24
Fig. 1
Block diagram
Functional Description
The switching regulators are designed using the buck con-
verter topology. The input is not electrically isolated from
the output. During the on period of the switching transistor,
current is transferred to the output and energy is stored in
the output choke. During the off period, this energy forces
the current to continue flowing through the output chocke
to the load and back through the freewheeling diode.
Regulation is accomplished by varying the on/off duty
cycle.
These
regulators
are
ideal
for
a
wide
range
of
applications, where input to output isolation is not
necessary, or where already provided by an external front
end (e.g. a transformer with rectifier). To optimise
customer’s needs, additional options and accessories are
available.
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