
CIRCUIT SCHEMATIC DERATING CURVE
TYP. CURRENT LIMITED CURVE TYP. EFFICIENCY CURVE
w w w. c o n n e c t w e l l . c o m
7
Vi nom, Io max
Minimum Load Vi nom
Line Regulation Io nom, Vi min ...Vi max
Vi nom,
0.8 Io nom
5V...15V models
Voltage Trim Range
Characteristics Conditions min. unit
typ. max.
Turn On Time Vi nom, Io nom
Vi nom, Io nom with 7000 µF CAP
Ripple & Noise Vi nom, Io nom, BW = 20MHz
Fall Time
Transient Recovery Time
Vi nom, Io nom
Vi nom, 1~0.5 Io nom
DC ON Indicator Threshold
at start up (Green LED)
Vi nom, Io nom
Vi nom, Io nom
Capacitor Load Vi nom, Io nom
DC LOW Indicator Threshold
after start up (Red LED)
Load Regulation Vi nom, Io min ...Io nom
24V model
Hold Up Time Vi : 115 / 230 VAC, Io nom
Vi nom, Io nom
Vi nom, Io nom with 7000 µF CAP
15V model
24V model
5V model
12V model
0
- 10
11.0
18
11.0
18
3.5
9.0
3.5
9.0
0
- 10
20 / 75
7.5
18
22
35
15V model
15V model
24V model
24V model
5V model
5V model
12V model
12V model
Efficiency Vi nom, Io nom, Po / Pi Up to 77%, See model list and typ efficiency curve
Power Back Immunity Vi nom, Io nom
1 second
Vi nom
Rated Continuous Loading
OUTPUT SPECIFICATIONS
Rise Time
+ 15
± 2
+ 20
+ 1
± 1
50
13.5
21.6
4.5
10.8
1000
1500
150
2
150
500
7000
13.5
21.6
4.5
10.8
%%
%
%
ms
ms
mV
ms
ms
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
%
%
%
ms
ms
ms
VDC
VDC
VDC
VDC
µF
Output voltage accuracy (Adjusted before shipment)
15V model
24V model
5V model
12V model
3 A @ 5Vdc / 2.6 A @ 5.75 Vdc
1.5 A @ 12Vdc / 1.3 A @ 13.8 Vdc
1.2 A @ 15Vdc / 1.0 A @ 17.25 Vdc
0.75 A @ 24Vdc / 0.6 A @ 28.8 Vdc
Over voltage protection Vi nom, Io nom (Auto Recovery) 125 145 %
Output short circuit Hiccup mode
Degree of protection IP20
Characteristics Conditions min. unit
typ. max.
Internal surge voltage protection IEC 61000-4-5
Input fuse
Rated over load protection 110 140 %
Vi nom (see typ current limited curve)
CONTROL AND PROTECTION
Varistor
T2A / 250VAC internal
‧Block diagram for PSS18 series
Vo -
Vo +
L
N
Fuse
Control
Switching
Device
Line
Filter
Inrush Current
Limiter and
Rectifier
Rectifier Current
Detection
Opto -
Isolation
Opto -
Isolation
Output Level
Detection
Reference &
Error Amp.
Over Voltage
Detection
Y
Vout
ADJ.
DC ON
(Green LED)
DC LOW
(Red LED)
PSS18-24
Hiccup mode
Output Voltage [ % ]
50
100
t
Time
v
o
Temperature [ C ]
0
100
71
-20
Power out [ % ]
75
61
PSS18-24
Power out [ % ]
10 100
25
EFFICIENCY [ % ]
75
50
70
65
60
55
50 230 Vac
115 Vac
75
80
85
45
35
40
UL 508 Listed
UL 60950-1, UL 1310 Class 2 Power Recognized
ISA 12.12.01(Class I, Division 2, Groups A, B, C and D)
EN 60950-1, CB scheme
EN 61000-6-3, EN 55022 Class B, EN 61000-3-2, EN 61000-3-3
EN 61000-6-2,EN 55024, EN 61000-4-2 Level 4, EN 61000-4-3 Level 3
EN 61000-4-4 Level 4, EN 61000-4-5 L-N Level 3, L / N-FG Level 4
EN 61000-4-6 Level 3, EN 61000-4-8 Level 4, EN 61000-4-11
ENV 50204 Level 2, EN 61204-3
GB4943, GB9254, GB17625.1
Shock Resistance
Standards Used For Testing
Vibration Resistance
UL / cUL
TUV
CE
CCC
Meet IEC 60068-2-27 (15G, 11ms, 3 Axis, 6 Faces, 3 times for each Face)
Meet IEC 60068-2-6 (Mounting by rail : 10-500 Hz, 2G, along X, Y, Z each Axis, 60 min for each Axis )