ACDC
Specification
50100 Watts
•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
•2 Year Warranty
VCS Series
Input
Input Voltage • 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
Output
Output Voltage • See model table
Output Adjust • ±10.0%
(5 V & 12 V versions are -5% to +10%)
Initial Set Tolerance • ±1.0%
Minimum Load • None required
Start Up Delay •1s 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
xppower.com
General
Efficiency • See tables
Isolation • 3000 VAC Input to Output
1500 VAC Input to Ground
500 VAC Output to Ground
Switching Frequency • 65 kHz typical
MTBF • >500 kHrs to MIL-STD-217F at 25 °C, GB
Environmental
Operating Temperature • -25 °C to +70 °C, see derating curve
Cooling • Convection cooled
Operating Humidity • 0-95% R.H, non-condensing
Storage Temperature • -40 °C to +80 °C
Operating Altitude • 3000 m
Shock • ±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
Vibration • 10-500 Hz at 2 g sweep and endurance at
resonance in all 3 planes. Conforms to
EN60068-2-6
EMC & Safety
Emissions • EN55022 Class B conducted & radiated
Harmonic Currents • EN61000-3-2 class A
Voltage Flicker • EN61000-3-3
ESD Immunity • EN61000-4-2, level 3 Perf Criteria A
Radiated Immunity • EN61000-4-3, level 3 Perf Criteria A
EFT/Burst • EN61000-4-4, level 3 Perf Criteria A
(note 3)
Surge • EN61000-4-5, installation Class 3,
Perf Criteria A
Conducted Immunity • EN61000-4-6, level 3 Perf Criteria A
Dips & Interruptions • EN61000-4-11, 30% 10 ms, 60% 100 ms,
100% 5000 ms, Perf Criteria A, B, B
Safety Approvals • IEC60950-1, CSA C22.2 No.60950-1-03,
UL60950-1, TUV EN60950-1
ACDC
VCS50
Model and Ratings
Mechanical Details
Output Power Output Voltage Output Current Ripple & Noise(2) Efficiency(1) Model Number
40 W 5.0 V 8.00 A 50 mV 79% VCS50US05
50 W
12.0 V 4.20 A 120 mV 85% VCS50US12
15.0 V 3.30 A 150 mV 86% VCS50US15
24.0 V 2.10 A 240 mV 88% VCS50US24
48.0 V 1.05 A 480 mV 88% VCS50US48
4.35 (110.5)
M3 4 locations
0.75
(19.0)
0.59
(15.0)
1.14
(29.0)
1.69 (43.0)
1.18 (30.0)
3.07
(78.0)
3.82 (97.0)
M3 3 locations
0.14
(3.5)
0.98 (25.0)
0.157 (4.0)
0.43 (11.0)
0.70 (17.7)
1.38
(35.0)
0.47 (12.0)
0.41 (10.5)
55
44
3
3
2
2
1
1
Pin Function
1 AC Live
2 AC Neutral
3 Ground
4 -Vout
5 +Vout
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
Notes
Derating Curves
Output Power (%)
Ambient Temperature (°C)
80
60
40
20
010-10-25 20 30 40 50 60 70
100
Output Power (%)
Input Voltage (VAC)
80
60
40
20
90 100 110 120 230 240 25085 264
100
Notes
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 >2%. At no load, result is
performance criteria A Level 2 or less than 4% output deviation at Level 3.
ACDC
VCS70
Model and Ratings
Mechanical Details
5.12 (130.0)
3.88
(98.5)
3.07 (78.0)
0.14
(3.5)
0.20 (5.0)
0.22 (5.5)
1.61
(41.0)
0.80 (20.3)
0.75 (19.0)
1.21
(30.8)
1.18 (30.0)1.28 (32.4)
0.43 (11.0)
55
44
33
22
11
Ø 0.13 (3.3)
M3 3 locations
3.55
(90.1)
0.22
(5.5)
0.14
(3.5) 0.2 (5.1)
3.08 (78.3)
0.20 (5.2)
Ø 0.13 (3.3)
1.36
(34.5)
1.26
(32.0)
M3 2 locations
Derating Curves
Output Power (%)
Ambient Temperature (°C)
80
60
40
20
010-10-25 20 30 40 50 60 70
100
Output Power (%)
Input Voltage (VAC)
80
60
40
20
90 100 110 120 230 240 25085 264
100
Output Power Output Voltage Output Current Ripple & Noise(2) Efficiency(1) Model Number
50 W 5.0 V 10.0 A 50 mV 80% VCS70US05
70 W
12.0 V 5.83 A 120 mV 87% VCS70US12
15.0 V 4.67 A 150 mV 87% VCS70US15
24.0 V 2.92 A 240 mV 87% VCS70US24
48.0 V 1.46 A 480 mV 87% VCS70US48
Pin Function
1 AC Live
2 AC Neutral
3 Ground
4 -Vout
5 +Vout
1. All dimensions in inches (mm)
2. Weight: 0.88 lbs (400 g) approx
3. Tolerance ±0.02 (±0.5)
4. Maximum mounting screw penetration 0.157 (4.0) from
outer surface
Notes
Notes
1. Minimum average of efficiencies measured at 25%, 50%, 75% & 100% load.
2. Ripple & Noise may exceed specified values below -10 ˚C.
3. For all loads.
19-July-12
ACDC
VCS100
Model and Ratings
Derating Curves
Mechanical Details
Output Power (%)
Ambient Temperature (°C)
80
60
40
20
010-10-25 20 30 40 50 60 70
100
Output Power (%)
Input Voltage (VAC)
80
60
40
20
90 100 110 120 230 240 25085 264
100
3.87
(98.2)
6.26 (159.0)
5.49 (139.5)
0.24
(6.0)
1.08
(27.5)
Ø0.13 (3.3)
0.87
(22.2)
0.71 (18.0)
0.37 (9.3)
1.02 (26.0)
0.74 (18.8)
1.65
(42.0)
55
6
6
7
7
44
3
3
2
2
11
M3 3 locations
0.19 (4.8)
0.16 (4.0)
3.07 (78.0) 0.24
(6.0)
0.2 (5.0) 0.16
(4.0)
1.26
(32.0)
0.90 (24.0)
0.20 (5.0)
3.52
(89.5)
0.16
(4.0)
1.30
(33.0)
M3 4 locations
Pin Function
1 AC Live
2 AC Neutral
3 Ground
4 -Vout
5 -Vout
6 +Vout
7 +Vout
Output Power Output Voltage Output Current Ripple & Noise(2) Efficiency(1) Model Number
70 W 5.0 V 14.0 A 50 mV 78.0% VCS100US05
100 W
12.0 V 8.33 A 120 mV 85.0% VCS100US12
15.0 V 6.67 A 150 mV 86.0% VCS100US15
24.0 V 4.17 A 240 mV 86.5% VCS100US24
48.0 V 2.08 A 480 mV 88.0% VCS100US48
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
Notes
Notes
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.