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DC-DC Converter UNIT
MBU Series ( 1.25 W UNREGULATED DC-DC CONVERTER )
FEATURES
1000VDC ISOLATION EFFICIENCY UP TO 82% INTERNAL SMD TECHNOLOGY LOW COST NO HEATSINK REQUIRED UP TO 1.25W UNREGULATED OUTPUT POWER DUAL IN LINE PACKAGE 100% BURNED IN MTBF > 2,000,000 HOURS
OUTPUT SPECIFICATIONS
Voltage Setpoint Accuracy Temperature Coefficient Ripple & Noise (20MHz BW) Line Regulation1 Load Regulation
2
INPUT SPECIFICATIONS
+/-2% max +/-0.03%/ C
O
Input Voltage Range Input Filter
+/-10% max Capacitor Type
100mVp-p max
+/-1.2% max +/-8% max Momentary
GENERAL SPECIFICATIONS
Efficiency Isolation Voltage3 70%-82% 1000 VDC min 9 10 ohms min 100 KHz min 80pF max 2,000,000 Hours 1.7g Typ Non-Conductive Plastic 12.7mm*10.16mm*7.62mm
Short Circuit Protection
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature Storage Temperature Cooling -25 OC to +85 OC -55 OC to +125 OC 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 10 seconds
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Version: 4-Oct-02
DC-DC Converter UNIT
MBU Series ( 1.25 W UNREGULATED DC-DC CONVERTER )
SELECTION GUIDE 1.25W OUTPUT
INPUT (VDC) MBUS-0505 MBUS-0509 MBUS-0512 MBUS-0515 MBUS-1205 MBUS-1209 MBUS-1212 MBUS-1215 MBUS-2405 MBUS-2409 MBUS-2412 MBUS-2415 MBUS-4805 MBUS-4809 MBUS-4812 MBUS-4815
5 5 5 5 12 12 12 12 24 24 24 24 48 48 48 48
OUTPUT (VDC)
5 9 12 15 5 9 12 15 5 9 12 15 5 9 12 15
OUTPUT (mA)
250 140 104 84 250 140 104 84 250 140 104 84 250 140 104 84
INPUT CURRENT(mA)
FULL LOAD 335 335 315 310 135 135 130 130 68 68 65 65 34 34 33 33 NO LOAD 30 30 30 30 12 12 12 12 10 10 10 10 6 6 6 6 75 75 79 81 77 77 80 80 77 77 80 80 77 77 79 79 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000
MODEL NUMBER VOLTAGE VOLTAGE CURRENT
EFF (%)
ISOLATION (VDC)
Note: Other input to output voltages may be available. Please contact factory.
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Version: 4-Oct-02
DC-DC Converter UNIT
MBU Series ( 1.25 W UNREGULATED DC-DC CONVERTER )
MECHANICAL DIMENSIONS & RECOMMENDED FOOTPRINT DETAILS
TOP VIEW
12.7[0.50]
SIDE VIEW
BOTTOM VIEW
7.62[0.30] 0.25[0.01]
PIN 1 4 5 7
SINGLE -Vin +Vin +Vout -Vout
10.16[0.40]
DANUBE
7.62[0.30]
1 7.62[0.30] 7
4 5
3.81[0.15]
0.50[0.02]
5.08[0.20]
All dimensions are in mm[inches]
SIMPLIFIED SCHEMATIC
TYPICAL APPLICATIONS
INPUT OUTPUT
+Vin +Vout
+Vin
OSCILLATOR DRIVER
+Vout
-Vin
-Vout
DC-DC CONVERTER
-Vin -Vout
LOAD
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Version: 4-Oct-02
DC-DC Converter UNIT
MBU Series ( 1.25 W UNREGULATED DC-DC CONVERTER )
TYPICAL PERFORMANCE CUREVES
Specifications typical at ta=25 OC , nominal input voltage , rated output current unless otherwise specified.
VOUT VS LOAD(5Vout Models)
6.4 6.0
VOUT VS LOAD(9Vout Models)
10.4 10.0
Vout(V)
Vout(V)
5.6 5.2 4.8 0 60 120 180 250
9.6 9.2 8.8 0 35 70 105 140
Output Current(mA)
Output Current(mA)
VOUT VS LOAD(12Vout Models)
13.8 13.4
VOUT VS LOAD(15Vout Models)
16.5 16.0
Vout(V)
Vout(V)
0 26 52 78 104
13.0 12.6 12.2 11.8
15.5 15.0 14.5 0 21 42 63 84
Output Current(mA)
Output Current(mA)
EFFICIENCY VS LOAD
EFFICIENCY(%)
80.0 60.0 40.0 20.0 0.0 0 20 40 60 80 100
DERATING CURVE
125% 100% 75% 50% 25% -25 0
SAFE OPERATING AREA
20 40 60 80 100 120
% OF RATED LOAD(%)
TA(degree C)
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Version: 4-Oct-02
DC-DC Converter UNIT
MBU Series ( 1.25 W UNREGULATED DC-DC CONVERTER )
MBU 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 ) Dornet 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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