Specification

35150 Watts

•

1040 VDC Input Range

•

Designed for Vetronic & Avionic Use

•

Magnetic Feedback Technology

•

55 °C to +100 °C Operation

•

MIL STD 461 and DEFSTAN 59411

•

MIL STD 1275 and DEFSTAN 615

•

3 Year Warranty

MTC Series

Input

Input Voltage Range

• 10.0-40.0 VDC

Transient Input Range

• 50 VDC for 100 ms

Inrush Current

• <40 A at 28 VDC

Turn On

• >9.5 VDC

Turn Off

• <9.0 VDC

Input Reverse Voltage

• None

Protection

Input Current

• See table

Output

Output Voltage

• See table

Output Voltage Trim

• -20%, +10% (±10% for 3.3 V version),

see note 2

Minimum Load

• No minimum load required on single

output models, 5% load required on each

output of dual output models

Line Regulation

• ±1% Vout nominal

Load Regulation

• Single Output: ±1% Vout nominal,

Dual Output: ±2%

Output Set Tolerance

• ±1.5% max

Ripple & Noise

•

≤5 Vout: 50 mV pk-pk max, >5 Vout:

100 mV pk-pk, at max load and

20 MHz bandwidth

Overvoltage Protection

• 120-140% Vout max

Overcurrent Protection

• 110-140% at nominal Iout, constant power

down to 40-50% of nominal output

voltage

Short Circuit Protection

• Continuous trip and restart (hiccup mode)

until the short is removed

Maximum Capacitive

• 300 µF x Iout max for startup

Load

within 100 ms

Thermal Warning

• Active when internal temp is >105 ˚C

Remote Sense

• Compensates for 0.5 V total voltage drop

Cross Regulation

• ±4% on dual outputs (see note 3)

Transient Response

• ±4% max deviation recovery to within

1% in 500 µs for a 50% load change at

0.1 A/µs

Start Up Time

• <100 ms

Start Up Rise Time

• <20 ms

Current Share

• Parallel up to 4 modules, single output

versions only (MTC75 & 150 only)

Temperature Coefficient

• 0.03%/˚C

Remote On/Off

• On: ≥3.5 V or open circuit, Off: ≤1.8 V

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General

Efficiency

• See table

Isolation

• 1500 VDC Input to Output

1000 VDC Input to Case

1000 VDC Output to Case

Isolation Capacitance

• 2500 pF

Switching Frequency

• Fixed, 400 kHz typical (MTC35 & 50)

450 kHz typical (MTC75 & 150)

Frequency

• 400-500 kHz (MTC35 & 50)

Synchronization

450-550 kHz (MTC75 & 150)

Power Density

MTBF

• >1 MHrs to MIL-HDBK-217F at 25 °C, GF

Environmental

Case Temperature

• -40 °C to +100 °C (start up at -55 °C)

Storage Temperature

• -60 °C to +125 °C

Cooling

• Conduction cooling through baseplate

Operating Humidity

• 95% Relative Humidity

240 hrs MIL-STD-810F Method 507.4

Operating Altitude

• Tested to 70000 ft (21336 m)

Shock

• 75 g MIL-STD-810F Method 516.5

Vibration

• 15 to 2000 Hz MIL-STD-810F

Method 514.5, table 514.5-VIII

Bump

• 2000 Bumps in each axis 40 g

MIL-STD-810F Method 516.5

Salt Atmosphere

• 48 hrs MIL-STD-810F Method 509.4

EMC

Conducted Emissions

• EN55022 Conducted Level B*

MIL-STD 461F: CE102*

DEF STAN 59-411 DCE01/DCE02*

Immunity

• MIL-STD-704 B-F,

MIL-STD-1275A/B/C/D*

Conducted

• MIL-STD-461F CS101, CS114, CS115,

Susceptibility

CS116*

DEF-STAN 61-5 part 6 issue 5*

*

When used in conjunction with standard EMI filter and surge

protection modules, DSF and FSO series. Consult longform

datasheet.