MTC2 Series
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Isolated 2W SM 2:1 Input Single Output DC/DC Converters
SELECTION GUIDE
Input
2
Efciency Ripple and Noise MTTF
Voltage
1
Order Code
Nom. Min. Typ. Typ. Max. MIL. Tel.
V V mA mA % % mVp/p mVp/p kHrs kHrs
MTC2S1203MC 12 3.3 606 210 76 78.5 40 50 997 15886
MTC2S1205MC 12 5 400 210 77 80 45 60 987 15761
MTC2S1212MC 12 12 167 200 81 83.5 45 60 985 15761
MTC2S2403MC 24 3.3 606 110 75 78.5 55 75 877 15230
MTC2S2405MC 24 5 400 100 76 79.5 35 55 795 15517
MTC2S2412MC 24 12 167 100 78 81.5 50 70 891 15638
FEATURES
INPUT CHARACTERISTICS
UL 60950 recognised for reinforced
Parameter Conditions Min. Typ. Max. Units
insulation
12V input types 9 12 18
ANSI/AAMI ES60601-1, 2 MOOPs
Voltage range V
recognition pending
24V input types 18 24 36
Input reected ripple
3kVAC isolation test voltage Hi Pot Test
All variants 4 mA p-p
current
Continuous short circuit protection
OUTPUT CHARACTERISTICS
Output Voltage Trim
Parameter Conditions Min. Typ. Max. Units
Remote on/off pin Rated power All output types 2
W
Minimal load to meet datasheet specication 10 %
No electrolytic capacitors
Voltage set point accuracy All output types 2 %
Operating temperature range -40C to
Line regulation Low line to high line 0.5 %
105C with derating
Load regulation All output types 0.5 %
2:1 Input Range
3.3V output types 8
Peak deviation
12V output types 2
PRODUCT OVERVIEW
(25-75% & 75-25% %V
out
1205 6
swing)
The MTC2 series of miniature surface mount DC/
2405 5
DC converters offers a single output voltage from
input voltage ranges of 9-18V and 18-36V. The 45
Transient response
MTC2 series regulated output voltage is adjust-
80
able by 10% and a remote on/off pin is also
60
Settling time (1% V
out
included for application power saving.
s
Nom.)
55
The MTC2 ideally suited to applications which
75
include medical. Industrial, telecommunications,
100
battery powered systems, and process automa-
tion.
ISOLATION CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Production tested for 1 second 3000 VAC
Isolation test voltage
Qualication tested for 1 minute 5200 VDC
Isolation capacitance All variants 20 pF
Resistance Viso = 1kVDC 1 G
1. Components are supplied in tape and reel packaging, please refer to package specication section. Orderable part numbers are
MTC2SXXXXMC-R7 (30 pieces per reel), or MTC2SXXXXMC-R13 (150 pieces per reel)
2. Calculated using MIL-HDBK-217 FN2 and Telecordia SR-332 calculation model with nominal input voltage at full load.
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_MTC2.B01 Page 1 of 12
Output
Voltage
Output
Current
Rated Input
CurrentMTC2 Series
Isolated 2W SM 2:1 Input Single Output DC/DC Converters
1
GENERAL CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
1203 285
1205, 1212 260
2403 185
Switching frequency kHz
2405 225
2412 240
Module on, pin unconnected or open collector oating
3.3V output types 3 V
Module off (refer to application notes)
5V & 12V output types 2
Remote on/off pin 1203, 1205 1.4
1212 1.5
mW
2403, 2405 3.9
2412 4.2
TEMPERATURE CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Operation See derating graphs -40 105
Storage -50 125 C
Case temperature above ambient 100% Load, Nom VIN, Still Air 22
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection (for SELV input voltages) Continuous
1
Remote on/off pin input voltage 12V
Input voltage, MTC2 12V input types 25V
Input voltage, MTC2 24V input types 40V
APPLICATION NOTES
Maximum Output Capacitance
Maximum output capacitance should not exceed:
Output Voltage Maximum Load Capacitance
VF
3.3 470
5 470
12 220
Start-up times
Typical start up times for this series, with a typical input voltage rise time of 2.2s and output capacitance of 470F (3.3, 5V outputs) and 220F (12V outputs), are
shown in the table below. The product series will start into the maximum output capacitance with increased start times.
Typical Wave Form:
Start-up times
Part No.
ms
MTC2S1203MC 3
MTC2S1205MC 10.5
MTC2S1212MC 31
MTC2S2403MC 7
MTC2S2405MC 12
MTC2S2412MC 21
1. Provided that external control circuit is the same as application note on page 3.
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KDC_MTC2.B01 Page 2 of 12