50-60W
O
PEN
-F
RAME
S
WITCHING
P
OWER
S
UPPLIES
•
•
•
•
•
•
•
•
•
Single, Dual and Triple Output Models
Models with Universal AC Input or DC Input
CE
Mark: UL/CSA/EN60950 Approvals
Models to UL544/CSA C22.2-601/EN60-601
Medical Safety Standards
EN55022/FCC Class B Input Line Filters
0% Minimum Load Requirement
Over-Current/Short-Circuit Protection
2-Year Warranty
Minimum 200,000-Hour MTBF
C
HARACTERISTICS
Input Voltage ................................FLU and MDU models, universal input
voltage range 85-265 VAC single
phase or 100-370 VDC. DC-input mod-
els, see ratings table.
Input Line Frequency ...................47-440 Hz (ac input models).
Input Line Protection ....................FLU and MDU models, MOV transient
protected, input line fuse on-board.
(See Note 1.)
EMI Filter ......................................Standard (FLU and MDU models).
Performance surpasses conducted EMI
requirements of EN55022/FCC Class B
by 10 dB, typical.
Continuous Output Power ............FLU1-50, MDU1-50, FLU2-50, FLU3-
50, and DC50 series, 50W, max.
FLU1-60 and DC60 series, 60W, max.
Leakage Current...........................MDU series, non-patient contact rating:
300 µA, maximum.
Output Voltage Adjust...................Primary output adjustable ±5%.
Auxiliary outputs fixed.
Efficiency ......................................62-76%, typical (nominal input voltage,
nominal load conditions).
Hold-Up Time ...............................16 ms (115 VAC input), 32 ms (230
VAC input), minimum, at full load.
Overload Protection......................Power-limit circuit.
Short-Circuit Protection ................Continuous.
Over-Voltage Protection ...............FLU and MDU series, primary output
only (120% of rated output, typical).
Soft Start ......................................Standard on all ac-input models.
Design Topology...........................Flyback converter with current-mode
control.
Frequency of Operation ...............FLU1-50 and MDU1-50 series, 40 kHz,
fixed. DC50 and DC60 series, 100
kHz, fixed. FLU1-60, FLU2-50, FLU3-
50 series, 33 kHz, fixed.
Hi-Pot Isolation .............................FLU Series: 5300 VDC, input-to-output
for one minute.
MDU Series: 5700 VDC, input-to-output
for one minute.
DC50 and DC60 Series, 2500 VDC
input-to-output for one minute. (See
Note 2.)
Noise, Ripple and Spike...............FLU and MDU models, 1% peak-to-
peak, maximum. (See Notes 4, 5.)
Temperature Range......................-20°C to +70°C.
Output Power De-Rating ..............De-rate output power and current lin-
early 2%/°C from +50°C to +70°C.
Temperature Coefficient ...............±0.05%/°C over the entire operating
temperature range.
Relative Humidity .........................0 to 95%, non-condensing.
Altitude .........................................0 to 10,000 feet.
Cooling .........................................Convection cooling is adequate.
Moving air is recommended for opera-
tion in a confined area.
Storage Temperature....................-40°C to +85°C.
Storage Humidity..........................0 to 95%, non-condensing.
Mean Time Between Failures.......>200,000 hours. (Note 6.)
Model
Output Current Output
Output Voltage Min. Nom. Max. Voltage Line Load Cross-
Output (V)
(A) (A)
(A)
Tol. Reg. Reg. Reg.
AC-DC 50W Singles
FLU1-50-1AD
FLU1-50-2AD
FLU1-50-3AD
FLU1-50-4AD
FLU1-50-5AD
FLU1-50-6AD
V1
V1
V1
V1
V1
V1
5
9
12
15
24
28
0.00
0.00
0.00
0.00
0.00
0.00
10.0
5.60
4.20
3.33
2.10
1.75
10.0
5.60
4.20
3.33
2.10
1.75
85-265 VAC Input
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
—
—
—
—
—
—
AC-DC 50W Singles
To UL544/EN60-601/CSA 22.2-601.1
MDU1-50-1AD
MDU1-50-2AD
MDU1-50-3AD
MDU1-50-4AD
MDU1-50-5AD
MDU1-50-6AD
V1
V1
V1
V1
V1
V1
5
9
12
15
24
28
0.00
0.00
0.00
0.00
0.00
0.00
10.0
5.60
4.20
3.33
2.10
1.75
10.0
5.60
4.20
3.33
2.10
1.75
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
—
—
—
—
—
—
AC-DC 60W Singles
FLU1-60-1AD
FLU1-60-2AD
FLU1-60-3AD
FLU1-60-4AD
FLU1-60-5AD
FLU1-60-6AD
V1
V1
V1
V1
V1
V1
5
9
12
15
24
28
0.00
0.00
0.00
0.00
0.00
0.00
12.0
6.70
5.00
4.00
2.50
2.10
12.0
6.70
5.00
4.00
2.50
2.10
85-265 VAC Input
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
—
—
—
—
—
—
AC-DC 50W Duals
FLU2-50-1AD
FLU2-50-2AD
V1
V2
V1
V2
+5
+12
+5
+24
85-265 VAC Input
0.00 5.00 6.00 1.0% 0.2% 1.0% —
0.00 2.10 3.00* 5.0% 1.0% 3.0% 5.0%
0.00 5.00 6.00 1.0% 0.2% 1.0% —
0.00 1.10 1.50
†
5.0% 1.0% 3.0% 5.0%
* Peak output current rating = 5.0A (<60 seconds, duty cycle <10%).
† Peak output current rating = 2.5A (<60 seconds, duty cycle <10%).
Optional L-bracket enclosures for the FLU1-50
series are available. For details, see dimension
drawings for the Power General 40W series.
12
POWER GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidecpg.com
50-60W
O
PEN
-F
RAME
S
WITCHING
P
OWER
S
UPPLIES
Model
Output Current Output
Output Voltage Min. Nom. Max. Voltage Line Load Cross-
Output (V)
(A) (A)
(A)
Tol. Reg. Reg. Reg.
Model
Input Voltage Output
Min. Nom.Max. Voltage
(V) (V) (V) Output (V)
Output Current Output
Min. Nom. Max. Voltage Line Load
(A) (A) (A)
Tol. Reg. Reg.
AC-DC 50W Triples
FLU3-50-1AD
V1
V2
V3
V1
V2
V3
+5
+12
- 12
+5
+12
-5
85-265 VAC Input
0.00 5.00 6.00 1.0% 0.2% 1.0% —
0.00 1.60 3.00* 5.0% 1.0% 2.0% 5.0%
0.00 0.50 0.50 5.0% 2.0% 3.0% 5.0%
0.00 5.00 6.00 1.0% 0.2% 1.0% —
0.00 1.80 3.00* 5.0% 1.0% 3.0% 5.0%
0.00 0.50 0.50 3.0% 0.5% 1.0% 1.0%
0.00
0.00
0.00
0.00
0.00
0.00
5.00 6.00
1.15 2.00*
0.50 0.50
8.00 9.00
0.40 0.60
0.40 0.60
1.0%
5.0%
3.0%
1.0%
3.0%
3.0%
0.2%
1.0%
0.5%
0.2%
0.5%
0.5%
1.0%
3.0%
1.0%
0.5%
1.0%
1.0%
—
5.0%
1.0%
—
1.0%
1.0%
DC-DC 50W Triples
§
DC50-1A
10
12
18
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
5
(ISO)
12
(ISO)
12
(ISO)
12
(ISO)
15
(ISO)
15
(ISO)
5
(ISO)
12
(ISO)
12
(ISO)
5
(ISO)
12
(ISO)
5
(ISO)
5
(ISO)
12
(ISO)
12
(ISO)
5
(ISO)
15
(ISO)
15
(ISO)
5
(ISO)
12
(ISO)
12
(ISO)
5
(ISO)
12
(ISO)
5
(ISO)
5
(ISO)
12
(ISO)
12
(ISO)
5
(ISO)
15
(ISO)
15
(ISO)
5
(ISO)
12
(ISO)
12
(ISO)
5
(ISO)
12
(ISO)
5
(ISO)
0.5 3.00 6.00 5.0% 0.2% 0.2%
0.1 1.00 1.00 4.0% 0.2% 0.2%
0.1 1.00 1.00 4.0% 0.2% 0.2%
0.5
0.1
0.1
0.5
0.2
0.1
0.5
0.2
0.2
0.5
0.1
0.1
0.5
0.1
0.1
0.5
0.2
0.1
0.5
0.2
0.2
0.5
0.1
0.1
0.5
0.1
0.1
0.5
0.2
0.1
0.5
0.2
0.2
3.00
1.00
1.00
3.00
2.00
0.30
3.00
2.00
0.50
3.00
1.00
1.00
3.00
1.00
1.00
3.00
2.00
0.30
3.00
2.00
0.50
3.00
1.00
1.00
3.00
1.00
1.00
3.00
2.00
0.30
3.00
2.00
0.50
6.00
1.00
1.00
6.00
3.00
0.50
6.00
3.00
1.00
6.00
1.00
1.00
6.00
1.00
1.00
6.00
3.00
0.50
6.00
3.00
1.00
6.00
1.00
1.00
6.00
1.00
1.00
6.00
3.00
0.50
6.00
3.00
1.00
5.0%
4.0%
4.0%
5.0%
4.0%
4.0%
5.0%
4.0%
4.0%
5.0%
4.0%
4.0%
5.0%
4.0%
4.0%
5.0%
4.0%
4.0%
5.0%
4.0%
4.0%
5.0%
4.0%
4.0%
5.0%
4.0%
4.0%
5.0%
4.0%
4.0%
5.0%
4.0%
4.0%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.4% 6.0%
0.4% 6.0%
0.2% 0.2%
0.2% 6.0%
0.2% 6.0%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.4% 6.0%
0.4% 6.0%
0.2% 0.2%
0.2% 6.0%
0.2% 6.0%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.4% 6.0%
0.4% 6.0%
0.2% 0.2%
0.2% 6.0%
0.2% 6.0%
FLU3-50-2AD
DC50-2A
10
12
18
FLU3-50-3AD
FLU3-50-4AD
V1
+5
V2 +15
V3 -15
V1 5
(ISO))
V2 12
(ISO)
V3 12
(ISO)
DC50-3A
10
12
18
DC50-4A
10
12
18
FLU3-50-5AD
V1 5
(ISO)
0.00 8.00 9.00 1.0% 0.2% 0.5% —
V2 15
(ISO)
0.00 0.35 0.60 3.0% 0.5% 1.0% 1.0%
V3 15
(ISO)
0.00 0.35 0.60 3.0% 0.5% 1.0% 1.0%
DC50-1B
18
24
36
* Peak output current rating = 5.0A (<60 seconds, duty cycle <10%).
DC50-2B
18
24
36
Notes
1. For FLU and MDU models, replace the input line fuse with the same type
and rating. Recommended: 2A/250V slow-blow fuse.
For the DC50 series, an external input line fuse is recommended: For
12V input models, use a 10A/125V fuse; for 24V input, use a 5A/125V
fuse; for 48V input models, use a 3A/125V fuse.
For the DC60 series, an external input line fuse is recommended: For
12V input models, use a 10A/125V fuse; for 24V input, use a 6A/125V
fuse; for 48V input models, use a 4A/125V fuse.
2. Hi-pot isolation is 2200 VDC from the input of the supply to ground for 60
seconds.
3. All measurements are made directly at the terminals of the power supply.
4. Peak-to-peak and RMS metering equipment must have a 20 MHz fre-
quency response with probes and cables that maintain a frequency
response of 20 Hz to 20 MHz. Output ripple and spikes are measured
directly at the output terminals of the power supply with a 0.1 µF ceramic
capacitor. The instruments’ probe ground band must make direct contact
with the output return or common terminal of the supply to prevent erro-
neous noise measurements.
5. For DC50-1 and DC50-2 models, 100 kHz noise and ripple at the 5V out-
put is 20 mV
pp
, typical; at auxiliary outputs, it is 5 mV
pp
, typical. For
DC50-3 and DC50-4 models, 100 kHz noise and ripple is 20 mV
pp
, typi-
cal, for all outputs.
For DC60 models, 100 kHz noise and ripple is typically 20 mV
pp
.
6. MTBF is calculated using the parts stress method in MIL-HDBK 217F
(ground benign, T
A
= +25°C).
7. Output voltage tolerance is measured under nominal load conditions.
8. Line regulation is measured under nominal load conditions as the input
voltage is varied from 85 to 265 VAC (ac-input models) or from minimum
to maximum input voltage (dc input models).
9. Load regulation is measured at 115 VAC or 230 VAC (ac input models) or
at nominal input voltage (dc input models) . For single output models,
load regulation is measured while output current is varied from 0% to
100% of full load. With ac-input, multiple output models, the output under
test is brought to 60% of nominal load; load current is then varied +40%/-
30% of nominal while other outputs are held at nominal load conditions.
With dc-input models, load regulation on an output is measured from
nominal to maximum and minimum load while other outputs are held at
nominal load conditions.
10. Cross-regulation is tested by changing the load on the primary output
from 50% to 100% of nominal load while measuring the voltage change
on the auxiliary output under test.
11. The FLU1-50, FLU2-50, FLU3-50 and FLU1-60 series are approved to
UL1950 (File E140439), CSA22.2 No.234 (File LR52335) and
EN60950/IEC950/DIN VDE 0805 (TÜV Licenses R9271543, R9171470,
and R9271468).
DC50-3B
18
24
36
DC50-4B
18
24
36
DC50-1C
36
48
72
DC50-2C
36
48
72
DC50-3C
36
48
72
DC50-4C
36
48
72
DC-DC 50-72W Singles
§
DC60-1A
DC60-2A
DC60-3A
DC60-4A
DC60-1B
DC60-2B
DC60-3B
DC60-4B
DC60-1C
DC60-2C
DC60-3C
DC60-4C
10
10
10
10
18
18
18
18
36
36
36
36
12
12
12
12
24
24
24
24
48
48
48
48
18
18
18
18
36
36
36
36
72
72
72
72
V1
V1
V1
V1
V1
V1
V1
V1
V1
V1
V1
V1
5
12
15
24
5
12
15
24
5
12
15
24
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
10
5.0
4.0
2.5
12
5.0
4.0
2.5
12
5.0
4.0
2.5
10
5.0
4.0
2.5
12
6.0
4.8
3.0
12
6.0
4.8
3.0
5.0%
5.0%
5.0%
5.0%
5.0%
5.0%
5.0%
5.0%
5.0%
5.0%
5.0%
5.0%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
0.2% 0.2%
§ DC50 and DC60 models include under-voltage shutdown (10% below lo
W
line, remote shutdown (TTL
HIGH
disables the unit), and external frequency
synchronization (2.8V positive pulse >9.1 µs at the synch pin).
POWER GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidecpg.com
13
50-60W
O
PEN
-F
RAME
S
WITCHING
P
OWER
S
UPPLIES
FLU1-50 AND MDU1-50 SERIES
A. Dimensions shown are in inches.
B. Tolerances = 0.00 ±0.01 inch.
0.000 ±0.005 inch.
C. P1 input connectors are Molex 26-60-4030. The mating connector
combines Molex housing 43061-0003 and crimp terminal 08-70-1030.
D. P2 output connectors are Molex 26-60-4060. The mating connector
combines Molex housing 43061-0006 and crimp terminal 08-70-1030.
Pin-Out
Pin
1
2
3
4
5
6
FLU1-50
V1
V1
V1
Return
Return
Return
MDU1-50
V1
V1
V1
Return
Return
Return
DC50 SERIES
A. Dimensions shown are in inches.
B. Tolerances = 0.00 ±0.01 inch.
0.000 ±0.005 inch.
C. P1 input connectors are Molex 26-60-4080. The mating
connector combines Molex housing 09-50-8081 and
crimp terminal 03-50-0106.
D. P2 output connectors are Molex 26-60-4100. The mat-
ing connector combines Molex housing 09-50-8101 and
crimp terminal 03-50-0106.
E. Under-voltage shutdown on the DC50 series is activated
at 10% below low line, typical. Over-voltage shutdown is
typically activated at 10% above high line.
F. A TTL
HIGH
signal at the external shutdown pin of the
DC50 series disables the unit.
G. External frequency synchronization of the DC50 series
requires a 2.8V positive pulse (>9.1 µs) at the external
synch pin.
Pin-Out
Pin
1
2
3
4
5
6
7
8
9
10
DC50
V3
V3
Return
V2
V2
Return
Return
V1
V1
Return
Return
V2
V2
V1
V1
14
POWER GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidecpg.com
50-60W
O
PEN
-F
RAME
S
WITCHING
P
OWER
S
UPPLIES
FLU2-50/FLU3-50/FLU1-60 SERIES
A. Dimensions shown are in inches.
B. Tolerances = 0.00 ±0.01 inch.
0.000 ±0.005 inch.
C. P1 input connectors are Molex 26-60-4030. The mating connector
combines Molex housing 43061-0003 and crimp terminal 08-70-1030.
D. P2 output connectors:
FLU1-60 series—Molex 26-60-4080
FLU2-50 series—Molex 26-60-4060
FLU3-50 series, Models 1, 2, 3—Molex 26-60-4060
FLU3-50 series, Models 4, 5—Molex 26-60-4100
Mating connector housings:
FLU1-60 series—Molex 43061-0008.
FLU2-50 series—Molex 43061-0006.
FLU3-50 series, models 1, 2, 3—Molex 43061-0006.
FLU3-50 series, models 4, 5—Molex 43061-0010.
Crimp terminals:
All models—Molex 08-70-1030.
Pin-Out
Pin
1
2
3
4
5
6
7
8
9
10
FLU2-50
V2
V1
V1
Common
Common
N/C
N/A
N/A
N/A
N/A
FLU3-50
Models 1-3
V2
V1
V1
Common
Common
V3
N/A
N/A
N/A
N/A
FLU3-50
Models 4-5 FLU1-60
+V2
(ISO)
- V2
(ISO)
+V1
(ISO)
+V1
(ISO)
+V1
(ISO)
- V1
(ISO)
- V1
(ISO)
- V1
(ISO)
- V3
(ISO)
+V3
(ISO)
+Sense
§
V1
V1
V1
Return
Return
Return
-Sense
§
N/A
N/A
§
If sense terminals are not used, tie together Pins 1 and 2 and tie
together Pins 7 and 8.
DC60 SERIES
A. Dimensions shown are in inches.
B. Tolerances = 0.00 ±0.01 inch.
0.000 ±0.005 inch.
C. Under-voltage shutdown on the DC60 series is activated
at 10% below low line, typical. Over-voltage shutdown is
typically activated at 10% above high line.
D. A TTL
HIGH
signal at the external shutdown pin of the
DC60 series disables the unit.
E. External frequency synchronization of the DC60 series
requires a 2.8V positive pulse (>9.1 µs) at the external
synch pin.
Pin-Out
Terminal
1
2
3
4
5
6
DC60
+Sense
§
V1
V1
Return
Return
-Sense
§
§
If Sense terminals are not used, tie
together Terminals 1 and 2 and tie
together Terminals 5 and 6.
POWER GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidecpg.com
15
