40W
OPEN-FRAME SWITCHING POWER SUPPLIES
Output Current Output
Output Voltage Min. Nom. Max. Voltage Line Load Cross-
Output Current Output
Output Voltage Min. Nom. Max. Voltage Line Load Cross-
Output (V) (A) (A) (A) Tol. Reg. Reg. Reg.
Model
Output (V)
(A)
(A)
(A)
Tol. Reg. Reg. Reg.
Model
DC-DC Duals
36-75 VDC Input
AC-DC Triples
To UL544/EN60-601/CSA 22.2-601.1
DC2-40-1AC
DC2-40-2AC
DC2-40-3AC
DC2-40-4AC
V1
V2 +12
V1 +5
V2 +15
V1 +5
V2 +24
V1 +5
V2 +28
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
0.0 2.00 3.00 5.0% 0.5% 3.0% 4.0%
0.0 3.00 5.00 1.0% 0.2% 1.0%
0.0 1.70 2.00 5.0% 0.2% 3.0% 4.0%
0.0 3.00 5.00 1.0% 0.2% 1.0%
0.0 1.00 1.50 5.0% 0.2% 3.0% 4.0%
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
V1
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
*
MDU3-40-1AD V2 +12
V3 -12
0.0 1.50 3.00 5.0% 1.0% 3.0% 4.0%
0.0 0.50 0.70 5.0% 0.2% 1.0% 1.0%
—
V1
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
*
MDU3-40-2AD V2 +12
0.0 1.50 3.00 5.0% 1.0% 3.0% 4.0%
0.0 1.00 1.00 3.0% 0.2% 1.0% 1.0%
—
V3
V1
-5
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
—
MDU3-40-3AD V2 +15
V3 -15
0.0 1.20 2.00† 5.0% 1.0% 3.0% 4.0%
0.0 0.50 0.60 5.0% 0.2% 1.0% 1.0%
0.0 1.00 1.00 5.0% 0.5% 3.0% 4.0%
AC-DC Triples
85-265 VAC Input
V1
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
V1
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
MDU3-40-4AD V2 +24
V3 -12
0.0 0.75 1.50§ 5.0% 1.0% 3.0% 4.0%
0.0 0.50 0.70 5.0% 0.2% 1.0% 1.0%
*
FLU3-40-1AD
FLU3-40-2AD
FLU3-40-3AD
FLU3-40-4AD
FLU3-40-5AD
FLU3-40-6AD
V2 +12
V3 -12
0.0 1.50 3.00 5.0% 1.0% 3.0% 4.0%
0.0 0.50 0.70 5.0% 0.2% 1.0% 1.0%
DC-DC Triples
36-75 VDC Input
0.0 3.00 5.00 1.0% 0.2% 1.0%
V1
V2 +12
V3
V1
V2 +15
V3 -15
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
V1
V2 +12
V3 -12
+5
—
*
0.0 1.50 3.00 5.0% 1.0% 3.0% 4.0%
0.0 1.00 1.00 3.0% 0.2% 1.0% 1.0%
*
DC3-40-1AC
DC3-40-2AC
DC3-40-3AC
DC3-40-4AC
0.0 1.50 3.00 5.0% 1.0% 3.0% 4.0%
0.0 0.50 0.70 5.0% 0.2% 1.0% 1.0%
-5
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
0.0 1.20 2.00† 5.0% 1.0% 3.0% 4.0%
0.0 0.50 0.60 5.0% 0.2% 1.0% 1.0%
V1
V2 +12
V3
V1
V2 +15
V3 -15
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
*
0.0 1.50 3.00 5.0% 1.0% 3.0% 4.0%
0.0 1.00 1.00 3.0% 0.2% 1.0% 1.0%
-5
V1
V2 +24
V3 -12
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
0.0 0.75 1.50§ 5.0% 1.0% 3.0% 4.0%
0.0 0.50 0.70 5.0% 0.2% 1.0% 1.0%
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
0.0 1.20 2.00† 5.0% 1.0% 3.0% 4.0%
0.0 0.50 0.60 5.0% 0.2% 1.0% 1.0%
V1 5(ISO)
0.0 5.00 6.00 1.0% 0.2% 0.5%
—
V1
V2 +24
V3 -12
+5
0.0 3.00 5.00 1.0% 0.2% 1.0%
—
V2 12(ISO) 0.0 0.30 0.50 4.0% 0.5% 1.0% 1.0%
V3 12(ISO) 0.0 0.30 0.50 4.0% 0.5% 1.0% 1.0%
0.0 0.75 1.50§ 5.0% 1.0% 3.0% 4.0%
0.0 0.50 0.70 5.0% 0.2% 1.0% 1.0%
V1 5(ISO)
0.0 5.00 6.00 1.0% 0.2% 0.5%
—
V2 15(ISO) 0.0 0.30 0.50 4.0% 0.5% 1.0% 1.0%
V3 15(ISO) 0.0 0.30 0.50 4.0% 0.5% 1.0% 1.0%
* 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
Model Selection Guide
1. Replace the input line fuse with the same type and rating.
Recommended: 2A/250V slow-blow fuse.
FLU 2 - 40 - 1 A D
2. The sum of primary and auxiliary output currents from triple
output models -1AD through -4AD must not exceed 5.0A.
Input Voltage
D=85-265 VAC
C=36 to 75 VDC
Series
FLU=AC Input
MDU=AC Input
3. Hi-pot isolation is 2200 VDC from the input of the supply to
ground for 60 seconds.
(UL544/IEC601 Safety)
DC=DC Input
Construction
A=Open PCB
B=L-Bracket
4. All measurements are made directly at the terminals of the
power supply.
Number of Outputs
Output Power (W)
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.
C=Full Enclosure
Output Voltage (Model)
of nominal load; load current is then varied +40%/-30% of nominal 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.
6. MTBF is calculated using the parts stress method in MIL-
HDBK 217F (ground benign, TA = +25°C).
7. Output voltage tolerance is measured under nominal load
current conditions.
11. 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).
12. The FLU3-40 series has BABT/EN41003 approval ((NS/4199/123/R/604674).
13. 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).
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%
14. 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
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