MTU2 Series
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Isolated 2W Single & Dual Output SM DC-DC Converters
SELECTION GUIDE
1
Order Code
VV mA % mVp-p mA % % pF kHrs
MTU2S0305MC 3.3 5 400 12.5 15 53 75 740 74 79 15 2650
MTU2S0505MC 5 5 400 9.5 12 47 65 480 78 82 17 2763
MTU2S0524MC 5 24 83 9 11 14 30 460 79 85 18 3060
FEATURES
MTU2S1205MC 12 5 400 7.5 10 40 60 200 72 80 20 2207
Patent Protected
MTU2S2405MC 24 5 400 8 10 30 50 100 73 80 21 2314
MTU2D0505MC 5 5 200 10.5 13 30 55 480 77 82 19 2898
UL 60950 Recognised
MTU2D0512MC 5 12 83 8.5 11 15 35 460 79 85 19 2697
2
Footprint over pins 0.69cm
MTU2D1212MC 12 12 83 6.5 8 15 35 190 77 83 24 2452
Single & dual isolated output
INPUT CHARACTERISTICS
1kVDC Isolation Hi Pot Test
Parameter Conditions Min. Typ. Max. Units
Continuous operation, 3.3V input types 2.97 3.3 3.63
Efciency up to 85% (Typ.)
Continuous operation, 5V input types 4.5 5.0 5.5
Voltage range V
MSL Level 1
Continuous operation, 12V input types 10.8 12.0 13.2
3
Continuous operation, 24V input types 21.6 24 26.4
Power density 3.403W/cm
Reected ripple current All variants 10 mA p-p
3.3V, 5V, 12V & 24V Input
ISOLATION CHARACTERISTICS
5V,12V & 24V single & dual outputs
Parameter Conditions Min. Typ. Max. Units
Custom solutions available
Isolation voltage Flash tested for 1 minute 1000 VDC
Resistance Viso= 1000VDC 10 G
Multi-layer ceramic capacitors
OUTPUT CHARACTERISTICS
PRODUCT OVERVIEW
Parameter Conditions Min. Typ. Max. Units
The MTU2 series is a new range of miniature sur-
Rated power TA=-40C to 85C 2.0 W
face mount, high performance 2W DC-DC convert-
Voltage set point accuracy See tolerance envelope
ers. With a footprint reduction of over 50% from
MTU2S0305MC 1.0 1.3
Line regulation High VIN to low VIN %/%
the previous generations of 2W SMD DC-DC, the
All other variants 1.0 1.2
MTU2 series offers 2W of available output power
over a wide temperature range. The MTU2 series
GENERAL CHARACTERISTICS
is more efcient and offers improved regulation
Parameter Conditions Min. Typ. Max. Units
performance for applications where a wide output
MTU2D0505MC 50 kHz
Switching frequency
voltage variation can not be tolerated. The MTU2
All other variants 70
series is pin compatible with the MTU2 series.
ABSOLUTE MAXIMUM RATINGS
The devices are suitable for all applications where
Input voltage VIN, MTU2S03 types 5.5V
high volume production is envisaged.
Input voltage VIN, MTU2S05 types 7V
Input voltage VIN, MTU2S12 types 15V
Input voltage VIN, MTU2S24 types 28V
1. If components are required in tape and reel format sufx order code with -R, e.g. MTU20505MC-R.
2. Calculated using MIL-HDBK-217 FN2 calculation model with nominal input voltage at full load.
3. See ripple & noise characterisation method.
For full details go to
All specications typical at TA=25C, nominal input voltage and rated output current unless otherwise specied.
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KDC_MTU2.C03 Page 1 of 10
Nominal Input
Voltage
Output
Voltage
Output Current
Load Regulation
(Typ.)
Load Regulation
(Max)
Ripple & Noise
3
(Typ.)
Ripple & Noise
3
(Max.)
Input Current at
Full Load
Efciency (Min.)
Efciency (Typ.)
Isolation
Capacitance
2
MTTFMTU2 Series
Isolated 2W Single & Dual Output SM DC-DC Converters
TEMPERATURE CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Specication All output types -40 85
Storage -50 125
C
0305, 1205, 2405 30 45
1
Case temperature rise above ambient
25 35
All other variants
Cooling Free air convection
1 . Measured after 1 hour continuous operation at nominal VIN full load at the center of each PCB.
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KDC_MTU2.C03 Page 2 of 10