AC-DC
50-100 Watts
VCS Series
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xppower.com
Chassis Mount Industrial Supplies
-25 °C to +70 °C Convection Cooled
Class B Conducted & Radiated Emissions
Output Voltages from 5 V to 48 V
<0.5 W No Load Input Power
Low Cost
Specification
Input
• 85-264 VAC (127-370 VDC),
see derating curve
Input Frequency
• 47-63 Hz
Input Current
• VCS50: 1.1 A, VCS70: 1.4 A,
VCS100: 2.0 A typical at 90 VAC
Inrush Current
• 60 A max at 230 VAC, cold start at 25 °C
Power Factor
• EN61000-3-2 Class A
Earth Leakage Current
• 1.0 mA maximum
Input Protection
• 50 & 70 W: T3.15 A/250 V
100 W: T4.0A/250 V, fuse fitted in live line
No Load Input Power
• <0.5 W
Input Voltage
General
Efficiency
Isolation
• See tables
• 3000 VAC Input to Output
1500 VAC Input to Ground
500 VAC Output to Ground
• 65 kHz typical
• >500 kHrs to MIL-STD-217F at 25 °C, GB
Switching Frequency
MTBF
Environmental
Operating Temperature
Cooling
Operating Humidity
Storage Temperature
Operating Altitude
Shock
-25 °C to +70 °C, see derating curve
Convection cooled
0-95% R.H, non-condensing
-40 °C to +80 °C
3000 m
±3 x 30 g shocks in each plane,
30 g: 11 ms (±0.5 ms), half sine, compliant
to EN60068-2-27 & EN60068-2-47
• 10-500 Hz at 2 g sweep and endurance at
resonance in all 3 planes. Conforms to
EN60068-2-6
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Output
Output Voltage
Output Adjust
• See model table
• ±10.0%
(5 V & 12 V versions are -5% to +10%)
Initial Set Tolerance
• ±1.0%
Minimum Load
• None required
Start Up Delay
• 1 s maximum
Hold Up Time
• 10 ms min at 115 VAC and full load
Line Regulation
• ±0.5%, 90 VAC to 264 VAC input
Load Regulation
• 5 V & 12 V versions: ±1%, Others: ±0.5%
0% to 100% load
Transient Response
• Less than 4% deviation with a 50% to
75% load change at 1 A/µs. Output
returns to within 1% in less than 500 µs
Ripple & Noise
• 1% maximum pk-pk, 20 MHz bandwidth
Overvoltage Protection
• 120-140% of nominal output,
auto recovery
Overload Protection
• 110-150% of nominal, trip and restart
Short Circuit Protection
• Continuous trip and restart
Temperature
• ±0.03%/°C after 20 min warm up
Coefficient
Vibration
EMC & Safety
Emissions
Harmonic Currents
Voltage Flicker
ESD Immunity
Radiated Immunity
EFT/Burst
Surge
Conducted Immunity
Dips & Interruptions
Safety Approvals
EN55022 Class B conducted & radiated
EN61000-3-2 class A
EN61000-3-3
EN61000-4-2, level 3 Perf Criteria A
EN61000-4-3, level 3 Perf Criteria A
EN61000-4-4, level 3 Perf Criteria A
(note 3)
• EN61000-4-5, installation Class 3,
Perf Criteria A
• EN61000-4-6, level 3 Perf Criteria A
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EN61000-4-11, 30% 10 ms, 60% 100 ms,
100% 5000 ms, Perf Criteria A, B, B
• IEC60950-1, CSA C22.2 No.60950-1-03,
UL60950-1, TUV EN60950-1
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AC-DC
Model and Ratings
Output Power
40 W
Output Voltage
5.0 V
12.0 V
50 W
15.0 V
24.0 V
48.0 V
Notes
1. Minimum average of efficiencies measured at 25%, 50%, 75% & 100% load.
2. Ripple & Noise may exceed specified values below -10 °C.
VCS50
Output Current
8.00 A
4.20 A
3.30 A
2.10 A
1.05 A
Ripple & Noise
(2)
50 mV
120 mV
150 mV
240 mV
480 mV
Efficiency
(1)
79%
85%
86%
88%
88%
Model Number
VCS50US05
VCS50US12
VCS50US15
VCS50US24
VCS50US48
3. Level 3 performance criteria A is met for loads >2%. At no load, result is
performance criteria A Level 2 or less than 4% output deviation at Level 3.
Mechanical Details
1
3.07
(78.0)
M3 4 locations
2
3
4
5
1.14
(29.0)
1.18 (30.0)
1.69 (43.0)
0.59
(15.0)
0.75
(19.0)
4.35 (110.5)
3.82 (97.0)
0.157 (4.0)
Pin
1
2
3
4
5
Notes
Function
AC Live
AC Neutral
Ground
-Vout
+Vout
1.38
(35.0)
0.43 (11.0)
0.47 (12.0)
0.41 (10.5)
M3 3 locations
0.14
(3.5)
0.70 (17.7)
0.98 (25.0)
1. All dimensions in inches (mm)
2. Weight: 0.55 lbs (250 g) approx
3. Tolerance ±0.02 (±0.5)
4. Maximum mounting screw penetration 0.157 (4.0) from
outer surface
5. Screw terminal sxizes M3
Derating Curves
100
Output Power (%)
Output Power (%)
30
40
50
60
70
80
60
40
20
-25
-10
0
10
20
100
80
60
40
20
85 90
100
110
120
230
240
250
264
Ambient Temperature (°C)
Input Voltage (VAC)
AC-DC
Model and Ratings
Output Power
70 W
Output Voltage
5.0 V
12.0 V
100 W
15.0 V
24.0 V
48.0 V
Notes
Output Current
14.0 A
8.33 A
6.67 A
4.17 A
2.08 A
Ripple & Noise
(2)
50 mV
120 mV
150 mV
240 mV
480 mV
Efficiency
(1)
78.0%
85.0%
86.0%
86.5%
88.0%
VCS100
Model Number
VCS100US05
VCS100US12
VCS100US15
VCS100US24
VCS100US48
1. Minimum average of efficiencies measured at 25%, 50%, 75% & 100% load.
2. Ripple & Noise may exceed specified values below -10 ˚C.
3. Level 3 performance criteria A is met for loads >10%. At no load, result is
performance criteria A at Level 2 or less than 5% output deviation at Level 3.
Mechanical Details
0.20 (5.0)
1
2
3.87
(98.2)
0.16
(4.0)
M3 4 locations
3
4
5
6
7
1.30
(33.0)
3.07 (78.0)
0.90 (24.0)
0.24
(6.0)
3.52
(89.5)
1.26
(32.0)
0.2 (5.0)
6.26 (159.0)
0.16
(4.0)
0.24
(6.0)
0.19 (4.8)
0.16 (4.0)
1.65
(42.0)
Ø0.13 (3.3)
0.87
(22.2)
0.71 (18.0)
0.74 (18.8)
5.49 (139.5)
M3 3 locations
Pin
1
2
3
4
5
6
7
Notes
Function
AC Live
AC Neutral
Ground
-Vout
-Vout
+Vout
+Vout
1.02 (26.0)
1.08
(27.5)
0.37 (9.3)
1. All dimensions in inches (mm)
2. Weight: 1.1 lbs (500 g) approx
3. Tolerance ±0.02 (±0.5)
4. Maximum mounting screw penetration 0.157 (4.0) from
outer surface
5. Screw terminal sizes M4
Derating Curves
100
Output Power (%)
Output Power (%)
30
40
50
60
70
80
60
40
20
-25
-10
0
10
20
100
80
60
40
20
85 90
100
110
120
230
240
250
264
Ambient Temperature (°C)
Input Voltage (VAC)
26 May 16
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