40W
O
PEN
-F
RAME
S
WITCHING
P
OWER
S
UPPLIES
•
•
•
•
•
•
•
•
•
•
•
Single, Dual and Triple Output Models
Universal AC-Input and DC-Input Models
CE
Mark: UL/CSA/EN60950 Approvals
BABT Approvals
Austel CCL Certification
Models with UL544/CSA C22.2-601/EN60-601
Medical Safety Approvals
EN55022/FCC Class B Input Line Filter
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 range 85-265 VAC single
phase or 100-370 VDC. DC-input
models, 36-75 VDC (48V, nominal).
Input Line Frequency ................47-440 Hz (ac input models).
Input Line Protection .................MOV transient protected (FLU and
MDU series). Input line fuse provid-
ed on-board. (See Note 1.)
EMI Filter...................................Standard. Performance surpasses
conducted EMI requirements of
EN55022/FCC Class B by 10 dB, typ.
DC Output .................................See table. (Note 2.)
Continuous Output Power.........40W, maximum.
Leakage Current .......................MDU Series, non-patient contact rat-
ing: 500 µA, maximum.
Output Voltage Adjust ...............Primary output adjustable ±5%.
Auxiliary outputs fixed.
Efficiency...................................62-75%, typical (nominal input line
voltage, nominal load conditions).
Hold-Up Time ............................FLU and MDU models: 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............Primary output only.
Soft Start ...................................Standard on all models.
Design Topology .......................Flyback converter with current-mode
control.
Frequency of Operation ............40 kHz (fixed).
Hi-Pot Isolation..........................FLU Series: 5300 VDC, input-to-out-
put for one minute. (Note 3.)
MDU Series: 5700 VDC, input-to-out-
put for one minute. (Note 3.)
Noise, Ripple and Spike ...........1% peak-to-peak, maximum. (See
Note 5.)
Temperature Range ..................-20°C to +70°C.
Output Power De-Rating...........De-rate output power and current
linearly 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 oper-
ation 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 Singles
FLU1-40-1AD
FLU1-40-2AD
FLU1-40-3AD
FLU1-40-4AD
FLU1-40-5AD
FLU1-40-6AD
V1
V1
V1
V1
V1
V1
5
9
12
15
24
28
0.0
0.0
0.0
0.0
0.0
0.0
85-265 VAC Input
8.00 8.00 1.0%
4.40 4.40 1.0%
3.30 3.30 1.0%
2.70 2.70 1.0%
1.70 1.70 1.0%
1.40 1.40 1.0%
0.1% 0.2%
0.1% 0.2%
0.1% 0.2%
0.1% 0.2%
0.1% 0.2%
0.1% 0.2%
—
—
—
—
—
—
AC-DC Singles
MDU1-40-1AD
MDU1-40-2AD
MDU1-40-3AD
MDU1-40-4AD
MDU1-40-5AD
MDU1-40-6AD
V1
V1
V1
V1
V1
V1
5
9
12
15
24
28
To UL544/EN60-601/CSA 22.2-601.1
0.0
0.0
0.0
0.0
0.0
0.0
8.00 8.00 1.0%
4.40 4.40 1.0%
3.30 3.30 1.0%
2.70 2.70 1.0%
1.70 1.70 1.0%
1.40 1.40 1.0%
0.1% 0.2%
0.1% 0.2%
0.1% 0.2%
0.1% 0.2%
0.1% 0.2%
0.1% 0.2%
—
—
—
—
—
—
AC-DC Duals
FLU2-40-1AD
FLU2-40-2AD
FLU2-40-3AD
FLU2-40-4AD
FLU2-40-5AD
FLU2-40-6AD
FLU2-40-7AD
V1
V2
V1
V2
V1
V2
V1
V2
V1
V2
+5
+12
+5
+15
+5
+24
+5
+28
5
(ISO)
5
(ISO)
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
85-265 VAC Input
3.00 5.00 1.0%
2.00 3.00 5.0%
3.00 5.00 1.0%
1.70 2.00 5.0%
3.00 5.00 1.0%
1.00 1.50 5.0%
3.00 5.00 1.0%
1.00 1.00 5.0%
6.00 6.00 1.0%
2.00 2.00 3.0%
2.00 3.00 1.0%
1.00 2.00 3.0%
1.50 2.50 1.0%
1.20 2.00 3.0%
0.2% 1.0% —
0.5% 3.0% 4.0%
0.2% 1.0% —
0.5% 3.0% 4.0%
0.2% 1.0% —
0.5% 3.0% 4.0%
0.2% 1.0% —
0.5% 3.0% 4.0%
0.2% 1.0% —
0.5% 1.0% 1.0%
0.2% 1.0% —
0.5% 1.0% 1.0%
0.2% 1.0% —
0.5% 1.0% 1.0%
V1 12
(ISO)
V2 12
(ISO)
V1 15
(ISO)
V2 15
(ISO)
AC-DC Duals
MDU2-40-1AD
MDU2-40-2AD
MDU2-40-3AD
MDU2-40-4AD
V1
V2
V1
V2
V1
V2
V1
V2
+5
+12
+5
+15
+5
+24
+5
+28
To UL544/EN60-601/CSA 22.2-601.1
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
3.00 5.00 1.0%
2.00 3.00 5.0%
3.00 5.00 1.0%
1.70 2.00 5.0%
3.00 5.00 1.0%
1.00 1.50 5.0%
3.00 5.00 1.0%
1.00 1.00 5.0%
0.2% 1.0% —
0.5% 3.0% 4.0%
0.2% 1.0% —
0.2% 3.0% 4.0%
0.2% 1.0% —
0.2% 3.0% 4.0%
0.2% 1.0%
0.5% 3.0%
—
4.0
08
POWER GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidecpg.com
40W
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
Output Current Output
Output Voltage Min. Nom. Max. Voltage Line Load Cross-
Output (V)
(A)
(A)
(A)
Tol. Reg. Reg. Reg.
DC-DC Duals
DC2-40-1AC
DC2-40-2AC
DC2-40-3AC
DC2-40-4AC
V1
V2
V1
V2
V1
V2
V1
V2
+5
+12
+5
+15
+5
+24
+5
+28
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
36-75 VDC Input
3.00 5.00 1.0%
2.00 3.00 5.0%
3.00 5.00 1.0%
1.70 2.00 5.0%
3.00 5.00 1.0%
1.00 1.50 5.0%
3.00 5.00 1.0%
1.00 1.00 5.0%
0.2% 1.0% —
0.5% 3.0% 4.0%
0.2% 1.0% —
0.2% 3.0% 4.0%
0.2% 1.0% —
0.2% 3.0% 4.0%
0.2% 1.0% —
0.5% 3.0% 4.0%
AC-DC Triples
MDU3-40-1AD
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
+5
+12
-12
+5
+12
-5
+5
+15
-15
+5
+24
-12
To UL544/EN60-601/CSA 22.2-601.1
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
3.00 5.00 1.0%
1.50 3.00* 5.0%
0.50 0.70 5.0%
3.00 5.00 1.0%
1.50 3.00* 5.0%
1.00 1.00 3.0%
3.00 5.00 1.0%
1.20 2.00
†
5.0%
0.50 0.60 5.0%
3.00 5.00 1.0%
0.75 1.50
§
5.0%
0.50 0.70 5.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
MDU3-40-2AD
MDU3-40-3AD
AC-DC Triples
FLU3-40-1AD
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
+5
+12
-12
+5
+12
-5
+5
+15
-15
+5
+24
-12
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
85-265 VAC Input
3.00 5.00 1.0%
1.50 3.00* 5.0%
0.50 0.70 5.0%
3.00 5.00 1.0%
1.50 3.00* 5.0%
1.00 1.00 3.0%
3.00 5.00 1.0%
1.20 2.00
†
5.0%
0.50 0.60 5.0%
3.00 5.00 1.0%
0.75 1.50
§
5.0%
0.50 0.70 5.0%
5.00 6.00 1.0%
0.30 0.50 4.0%
0.30 0.50 4.0%
5.00 6.00 1.0%
0.30 0.50 4.0%
0.30 0.50 4.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
0.2% 0.5% —
0.5% 1.0% 1.0%
0.5% 1.0% 1.0%
0.2% 0.5% —
0.5% 1.0% 1.0%
0.5% 1.0% 1.0%
MDU3-40-4AD
DC-DC Triples
DC3-40-1AC
V1
V2
V3
V1
V2
V3
V1
V2
V3
V1
V2
V3
+5
+12
-12
+5
+12
-5
+5
+15
-15
+5
+24
-12
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
36-75 VDC Input
3.00 5.00 1.0%
1.50 3.00* 5.0%
0.50 0.70 5.0%
3.00 5.00 1.0%
1.50 3.00* 5.0%
1.00 1.00 3.0%
3.00 5.00 1.0%
1.20 2.00
†
5.0%
0.50 0.60 5.0%
3.00 5.00 1.0%
0.75 1.50
§
5.0%
0.50 0.70 5.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
0.2% 1.0% —
1.0% 3.0% 4.0%
0.2% 1.0% 1.0%
FLU3-40-2AD
FLU3-40-3AD
DC3-40-2AC
FLU3-40-4AD
DC3-40-3AC
FLU3-40-5AD
V1 5
(ISO)
V2 12
(ISO)
V3 12
(ISO)
V1 5
(ISO)
V2 15
(ISO)
V3 15
(ISO)
DC3-40-4AC
FLU3-40-6AD
* Peak output current rating = 5.0A (<60 seconds, duty cycle <10%).
† Peak output current rating = 3.0A (<60 seconds, duty cycle <10%).
§ Peak output current rating = 2.0A (<60 seconds, duty cycle <10%).
Notes
1. Replace the input line fuse with the same type and rating.
Recommended: 2A/250V slow-blow fuse.
2. The sum of primary and auxiliary output currents from triple
output models -1AD through -4AD must not exceed 5.0A.
3. Hi-pot isolation is 2200 VDC from the input of the supply to
ground for 60 seconds.
4. All measurements are made directly at the terminals of the
power supply.
5. Peak-to-peak and RMS metering equipment must have a 20
MHz frequency response with probes and cables that main-
tain a frequency response of 20 Hz to 20 MHz. Output rip-
ple and spikes are measured directly at the output terminals
of the power supply with a 0.1 µF ceramic capacitor. The
probe ground band must make direct contact with the output
return or common terminal to prevent erroneous noise mea-
surements.
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
current 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 36 to 75 VDC (dc-input models).
9. Load regulation is measured at 115 VAC or 230 VAC. For
single output models, load regulation is measured while out-
put current is varied from 0% to 100% of full load. With mul-
tiple output models, the output under test is brought to 60%
Model Selection Guide
FLU 2 - 40 - 1 A D
Series
FLU = AC Input
MDU = AC Input
(UL544/IEC601 Safety)
DC = DC Input
Number of Outputs
Output Power (W)
Input Voltage
D = 85-265 VAC
C = 36 to 75 VDC
Construction
A = Open PCB
B = L-Bracket
C = Full Enclosure
Output Voltage (Model)
10.
11.
12.
13.
14.
of nominal load; load current is then varied +40%/-30% of nominal while other outputs
are held at nominal load conditions.
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.
The FLU1-40, FLU2-40 and FLU3-40 series are approved to UL1950 (File E140439),
CSA22.2 No. 234 (File LR52335), EN60950/IEC950/DIN VDE 0805 (TÜV Licenses
R679206, R0097621, R9071501), and Austel CCL (Certificate A92/PS/004).
The FLU3-40 series has BABT/EN41003 approval ((NS/4199/123/R/604674).
The MDU1-40, MDU2-40 and MDU3-40 series are approved to UL544 (File E151357),
CSA 22.2 No. 601.1 (File LR52335) and EN60-601/IEC601-1/DIN VDE 0750 (TÜV
Licenses R9271474, R9271475, R9271476).
The DC2-40 and DC3-40 series are approved to UL1950 (File E140439), CSA22.2 No.
234 (File LR52335), and EN60950/IEC950/DIN VDE 0805 (TÜV License R9071501).
POWER GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidecpg.com
9
40W
O
PEN
-F
RAME
S
WITCHING
P
OWER
S
UPPLIES
FLU/MDU/DC 40W 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 26-62-4030. The mating con-
nector combines Molex housing 43061-0003 and crimp ter-
minal 08-70-1030.
D. P2 output connectors for the 40W series, except for models
5 and 6 of the FLU3-40 series, are Molex 26-60-4060. The
mating connector combines Molex housing 43061-0006 and
crimp terminal 08-70-1030. Models 5 and 6 of the FLU3-40
series use Molex 26-60-4080 for the P2 connector. The mat-
ing connector uses Molex housing 43061-0008 and crimp
terminals 08-70-1030.
Pin-Out
Pin
1
2
3
4
5
6
7
8
FLU2-40
FLU2-40
FLU3-40
FLU1-40 MDU1-40 Models 1-4 Models 5-7 MDU2-40 DC2-40 Models 1-4
V1
V1
V1
Return
Return
Return
N/A
N/A
V1
V1
V1
Return
Return
Return
N/A
N/A
V2
V1
V1
Common
Common
N/C
N/A
N/A
+V1
(ISO)
+V1
(ISO)
- V1
(ISO)
- V1
(ISO)
- V2
(ISO)
+V2
(ISO)
N/A
N/A
V2
V2
V2
V1
V1
V1
V1
V1
V1
Common Common Common
Common Common Common
N/C
N/C
V3
N/A
N/A
N/A
N/A
N/A
N/A
FLU3-40
Models 5-6 MDU3-40
+V2
(ISO)
- V2
(ISO)
+V1
(ISO)
+V1
(ISO)
- V1
(ISO)
- V1
(ISO)
+V3
(ISO)
- V3
(ISO)
DC3-40
V2
V2
V1
V1
V1
V1
Common Common
Common Common
V3
V3
N/A
N/A
N/A
N/A
10
POWER GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidecpg.com
40W
P
OWER
S
UPPLY
E
NCLOSURES
L-Bracket
To order, change the part
number suffix from
AD
to
BD
or from
AC
to
BC.
1. Material is 0.036-inch cold-rolled
steel (20 AWG).
2. Finish is zinc and clear chromate
plating.
3. Dimensions are in inches.
4. Tolerances = 0.00 ±0.01
0.000 ±0.005
L-Bracket and Cover
To order full enclosure, change the part
number suffix from
AD
to
CD
or from
AC
to
CC.
1. Material is 0.036-inch cold-rolled steel (20 AWG).
2. Finish is zinc and clear chromate plating.
3. Dimensions are in inches.
4. Tolerances = 0.00 ±0.01
0.000 ±0.005
POWER GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidecpg.com
11
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