50-60W
O
PEN
-F
RAME
S
WITCHING
P
OWER
S
UPPLIES
✔
Single and Triple Output Models
✔
Universal AC Input
✔
CE
Mark:
UL/CSA/EN60950 Approvals
✔
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
In
put Voltage .............................Universal input voltage range 85-265
VAC single phase or 100-370 VDC.
Input Line Frequency ................47-440 Hz (50/60 Hz, nominal).
Input Line Protection .................MOV transient protected, input line
fuse on-board. (See Note 1.)
EMI Filter...................................Standard. Performance surpasses
the conducted EMI requirements of
EN55022/FCC Class B by 10 dB,
typical.
Continuous Output Power.........FLU1-50 and FLU3-50, 50W, max.
FLU1-60 series, 60W, max.
Output Voltage Adjust ...............Primary output adjustable ±5%.
Auxiliary outputs fixed.
Efficiency...................................74%, 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............Primary output only (120% of rated
output, typical).
Soft Start ...................................Standard all models.
Design Topology .......................Flyback converter with current-mode
control.
Frequency of Operation ............FLU1-50 series, 40 kHz, fixed.
FLU1-60 and FLU3-50 series, 33
kHz, fixed.
Electrical Strength/Isolation ......5300 VDC, input-to-output for one
minute. (See Note 2.)
Noise, Ripple and Spike ...........1% peak-to-peak, maximum. (See
Notes 3, 4.)
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 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 5.)
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
FLU1-50-3AD
FLU1-50-5AD
V1
V1
V1
5
12
24
0.00 10.0
0.00 4.20
0.00 2.10
85-265 VAC Input
10.0 1.0% 0.5% 0.5%
4.20 1.0% 0.5% 0.5%
2.10 1.0% 0.5% 0.5%
—
—
—
AC-DC 50W Triples
FLU3-50-1AD
V1
V2
V3
V1
V2
V3
+5
+12
- 12
+5
+15
-15
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 1.15 2.00* 5.0% 1.0% 3.0% 5.0%
0.00 0.50 0.50 3.0% 0.5% 1.0% 1.0%
FLU3-50-3AD
AC-DC 60W Singles
FLU1-60-1AD
FLU1-60-5AD
V1
V1
5
24
0.00 12.0
0.00 2.50
85-265 VAC Input
12.0 1.0% 0.1% 0.2%
2.50 1.0% 0.1% 0.2%
—
—
* Peak output current rating = 5.0A (<60 seconds, duty cycle <10%).
POWER
GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidec.com · http://www.nidec.com
Rev. PG/ABBB
27
50-60W
O
PEN
-F
RAME
S
WITCHING
P
OWER
S
UPPLIES
FLU1-50 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
Notes
1. Replace the input line fuse with the same type and rating.
Recommended: 2A/250V slow-blow fuse.
2. Electrical strength/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. MTBF is calculated using the parts stress method in MIL-HDBK 217F
(ground benign, T
A
= +25°C).
6. Output voltage tolerance is measured under nominal load conditions.
7. Line regulation is measured under nominal load conditions as the input
voltage is varied from 85 to 265 VAC.
9. Load regulation is measured at 115 VAC or 230 VAC. For single output
models, load regulation is measured while output current is varied from
0% to 100% of full load. With 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.
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, 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).
28
POWER
GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidec.com · http://www.nidec.com
Rev. PG/ABBB
50-60W
O
PEN
-F
RAME
S
WITCHING
P
OWER
S
UPPLIES
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, FLU3-50 series—Molex 26-60-4060.
Mating connector housings: FLU1-60 series—Molex
43061-0008, FLU3-50 series—Molex 43061-0006.
Crimp terminals: Molex 08-70-1030.
Pin-Out
Pin
1
2
3
4
5
6
7
8
FLU3-50
V2
V1
V1
Common
Common
V3
N/A
N/A
FLU1-60
+Sense
V1
V1
V1
Return
Return
Return
§
-Sense
§
Model Selection Guide
FLU 1 - 50 - 1
Series
Number of Outputs
Output Power (W)
Construction
A = Open PCB
Output Voltage
(Model)
Input Voltage
D = 85-265 VAC
A
D
§
If sense terminals are not used, tie together
Pins 1 and 2 and tie together Pins 7 and 8.
POWER
GENERAL
152 Will Drive · Canton, MA 02021 USA · Phone 781-828-6216 · Fax 781-830-1155 · Email power@nidec.com · http://www.nidec.com
Rev. PG/ABBB
29
Power technology
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