DC-DC Converter UNIT
MU Series
( 1 W UNREGULATED DC-DC CONVERTER )
FEATURES
1000VDC ISOLATION
EFFICIENCY UP TO 82%
INTERNAL SMD TECHNOLOGY
LOW COST
NO HEATSINK REQUIRED
UP TO 1W UNREGULATED
OUTPUT POWER
SINGLE IN LINE PACKAGE
100% BURNED IN
MTBF > 2,000,000 HOURS
OUTPUT SPECIFICATIONS
Voltage Setpoint Accuracy
Temperature Coefficient
Ripple & Noise (20MHz
BW)
Line Regulation
1
Load Regulation
2
Short Circuit Protection
+/-1.2% max
+/-8% max
Momentary
+/-2% max
+/-0.03%/
O
C
100mVp-p max
INPUT SPECIFICATIONS
Input Voltage Range
Input Filter
+/-10% max
Capacitor Type
GENERAL SPECIFICATIONS
Efficiency
Isolation Voltage
3
70%-82%
1000 VDC min
9
10 ohms min
100 KHz min
80pF max
2,000,000 Hours
1.3g Typ
Non-Conductive Plastic
11.6mm*6.1mm*10.2mm
11.6mm*7.6mm*10.2mm
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Storage Temperature
Cooling
-25
O
C to +71
O
C
-55
O
C to +125
O
C
Free-Air Convection
Isolation Resistance
Switching Frequency
Isolation Capacitance
MTBF
Weight
ALL SPECIFICATIONS TYPICAL AT NOMINAL
LINE,
FULL
LOAD
,
AND
25
O
Case Material
Case Size
C
UNLESS
OTHERWISE NOTED.
1
2
3
Line Regulation is for a 1.0% change in input Voltage.
Load Regulation is for output load current change from 20% to 100%.
For 60 seconds
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Version: 4-Oct-02
DC-DC Converter UNIT
MU Series
( 1 W UNREGULATED DC-DC CONVERTER )
SELECTION GUIDE
1W OUTPUT
MODEL
NUMBER
INPUT
(VDC)
5
5
5
5
12
12
12
12
12
24
24
24
24
24
OUTPUT
(VDC)
5
9
12
15
3.3
5
9
12
15
3.3
5
9
12
15
OUTPUT
(mA)
200
110
84
67
300
200
110
84
67
300
200
110
84
67
INPUT
CURRENT(mA) EFF
FULL
LOAD
NO
LOAD
26
27
26
28
11
11
11
11
12
8
8
8
8
7
73
77
79
79
74
74
79
82
82
73
73
77
77
80
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
A
A
A
A
B
A
A
A
A
B
B
B
B
B
VOLTAGE VOLTAGE CURRENT
ISOLATION
(VDC)
(%)
PACKAGE
MUS-0505
MUS-0509
MUS-0512
MUS-0515
MUS-1203.3
MUS-1205
MUS-1209
MUS-1212
MUS-1215
MUS-2403.3
MUS-2405
MUS-2409
MUS-2412
MUS-2415
274
260
253
253
112
112
105
102
102
57
57
54
54
52
Note: Other input to output voltages may be available. Please contact factory.
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Page: 2 / 5
Version: 4-Oct-02
DC-DC Converter UNIT
MU Series
( 1 W UNREGULATED DC-DC CONVERTER )
RECOMMENDED FOOTPRINT DETAILS
PACKAGE "A"
PACKAGE "B"
SIMPLIFIED SCHEMATIC
+Vin
OSCILLATOR
DRIVER
TYPICAL APPLICATIONS
INPUT
OUTPUT
+Vin
+Vout
+Vout
-Vin
-Vout
DC-DC
CONVERTER
-Vin
-Vout
LOAD
TYPICAL PERFORMANCE CUREVES
Specifications typical at ta=25
O
C , nominal input voltage , rated output current unless otherwise specified.
EFFICIENCY VS LOAD
OUTPUT POWER(W)
EFFICIENCY(%)
80.0
60.0
40.0
20.0
0.0
0
20
40
60
80
100
1.2
0.9
0.6
0.3
0.0
DERATING CURVE
SAFE
OPERATING
AREA
-25
0
25
50
70
100
% OF RATED LOAD(%)
TA(degree C)
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Page: 4 / 5
Version: 4-Oct-02
DC-DC Converter UNIT
MU Series
( 1 W UNREGULATED DC-DC CONVERTER )
MU SERIES APPLICATION NOTES:
EXTERNAL CAPACITANCE REQUIREMENTS:
Output filtering is required for operation. A minimum of 10uF is needed. Output
capacitance may be increased for additional filtering, not to exceed 220uF.
To meet the reflected ripple requirements of the converter, an input impedance of
less than 0.5 ohm from DC to 250KHz is required.
Negative Outputs:
A negative output voltage may be obtained by connecting the +OUT to circuit ground
and connecting –OUT as the negative output.
FOR MORE INFORMATION CALL:
Power Systems – The Power Solution
Ilsfeld-Auenstein ( Germany ) Dörnet 8
E-mail: Info@Power-Systems.de
Tel: + 49 / 70 62 / 67 59 – 6
Fax: + 49 / 70 62 / 67 59 -80
Home Page: www.Power-Systems.de
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Version: 4-Oct-02
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