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8
Switch Mode Power Supply
S8VS
Construction and Nomenclature (15-W, 30-W Models)
■
Nomenclature
15-W, 30-W Models
S8VS-015
@@
/S8VS-030
@@
Note:
The S8VS-01505 is shown above.
Engineering Data (15-W, 30-W Models)
■
Derating Curve
S8VS-015
@@
S8VS-03005/S8VS-03012
S8VS-03024
Note: 1.
Internal parts may occasionally deteriorate or be damaged.
Do not use the Power Supply in areas outside the derating
curve (i.e., the area shown by shading
A
in the above
graph).
2.
If there is a derating problem, use forced air-cooling.
3.
Provide a space of at least 20 mm when using standard
mounting and horizontal mounting. If 20 mm is not available,
make sure that the space is at least 10 mm. In this case, re-
duce the corresponding derating curve by 5
°
C.
4.
When mounting Power Supplies facing horizontally in a ver-
tical stack, provide a space of at least 75 mm in between the
Power Supplies. If 75 mm is not available, reduce the corre-
sponding derating curve by 1
°
C for every 5-mm reduction in
space. A space of at least 25 mm, however, must be provid-
ed. In this case, reduce the corresponding derating curve by
10
°
C.
1
2
4
5
6
3
Note: 1.
The fuse is located on the (L) side. It is NOT user-replaceable.
2.
This is the protective earth terminal specified in the safety standards. Always ground this terminal.
No.
Name
Function
1
AC Input terminals (L), (N)
Connect the input lines to these terminals. (See note 1.)
2
Protective Earth terminal (PE)
Connect the ground line to this terminal. (See note 2.)
3
DC Output terminals (
−
V), (+V)
Connect the load lines to these terminals.
4
Output indicator (DC ON: Green)
Lights while a direct current (DC) output is ON.
5
Undervoltage indicator (DC LOW: Red) Lights when a drop is detected in the output voltage.
6
Output voltage adjuster (V.ADJ)
Use to adjust the voltage.
1
−
20
−
10 0 10 20 30 40 50 60 70
80
120
100
80
60
40
20
0
*1
*2
*3
1* Standard mounting
2* Horizontal mounting
3* Mounting facing horizontally
Ambient temperature (˚C)
Load ratio (%)
1
−
20
−
10 0 10 20 30 40 50 60 70
80
120
100
80
60
40
20
0
*1
*2
1* Standard mounting
2* Horizontal mounting/mounting facing horizontally
Ambient temperature (˚C)
Load ratio (%)
1
−
20
−
10 0 10 20 30 40 50 60 70
80
120
100
80
60
40
20
0
*1
*2
1* Standard mounting
2* Horizontal mounting/mounting facing horizontally
Ambient temperature (˚C)
Load ratio (%)
Содержание S8VS - MODEL 15-30-60-90-120-180-240W
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