xppower.com 35 150 Watts MTC Series 10 40 VDC Input Range Designed for Vetronic & Avionic Use Magnetic Feedback Technology 55 C to +100 C Operation MIL STD 461 and DEF STAN 59 411 MIL STD 1275 and DEF STAN 61 5 3 Year Warranty Specification Input General Input Voltage Range 10.0-40.0 VDC Efficiency See table Transient Input Range 50 VDC for 100 ms Isolation 1500 VDC Input to Output Inrush Current <40 A at 28 VDC 1000 VDC Input to Case 1000 VDC Output to Case Turn On >9.5 VDC Isolation Capacitance 2500 pF Turn Off <9.0 VDC Switching Frequency Fixed, 400 kHz typical (MTC35 & 50) Input Reverse Voltage None 450 kHz typical (MTC75 & 150) Protection Input Current See table Frequency 400-500 kHz (MTC35 & 50) Synchronization 450-550 kHz (MTC75 & 150) 3 3 Output Power Density MTC35: 31.8 W/in , MTC50: 30.2 W/in , 3 3 MTC75: 27.4 W/in , MTC150: 54.8 W/in , Output Voltage See table MTBF >1 MHrs to MIL-HDBK-217F at 25 C, GF Output Voltage Trim -20%, +10% (10% for 3.3 V version), see note 2 Environmental Minimum Load No minimum load required on single output models, 5% load required on each Case Temperature -40 C to +100 C (start up at -55 C) output of dual output models Storage Temperature -60 C to +125 C Line Regulation 1% Vout nominal Cooling Conduction cooling through baseplate Load Regulation Single Output: 1% Vout nominal, Dual Output: 2% Operating Humidity 95% Relative Humidity 240 hrs MIL-STD-810F Method 507.4 Output Set Tolerance 1.5% max Operating Altitude Tested to 70000 ft (21336 m) Ripple & Noise 5 Vout: 50 mV pk-pk max, >5 Vout: Shock 75 g MIL-STD-810F Method 516.5 100 mV pk-pk, at max load and 20 MHz bandwidth Vibration 15 to 2000 Hz MIL-STD-810F Method 514.5, table 514.5-VIII Overvoltage Protection 120-140% Vout max Overcurrent Protection 110-140% at nominal Iout, constant power Bump 2000 Bumps in each axis 40 g down to 40-50% of nominal output MIL-STD-810F Method 516.5 voltage Salt Atmosphere 48 hrs MIL-STD-810F Method 509.4 Short Circuit Protection Continuous trip and restart (hiccup mode) until the short is removed EMC Maximum Capacitive 300 F x Iout max for startup Load within 100 ms Conducted Emissions EN55022 Conducted Level B* MIL-STD 461F: CE102* Thermal Warning Active when internal temp is >105 C DEF STAN 59-411 DCE01/DCE02* Remote Sense Compensates for 0.5 V total voltage drop Immunity MIL-STD-704 B-F, Cross Regulation 4% on dual outputs (see note 3) MIL-STD-1275A/B/C/D* Transient Response 4% max deviation recovery to within Conducted MIL-STD-461F CS101, CS114, CS115, 1% in 500 s for a 50% load change at Susceptibility CS116* 0.1 A/s DEF-STAN 61-5 part 6 issue 5* Start Up Time <100 ms Start Up Rise Time <20 ms * When used in conjunction with standard EMI filter and surge Current Share Parallel up to 4 modules, single output protection modules, DSF and FSO series. Consult longform versions only (MTC75 & 150 only) datasheet. Temperature Coefficient 0.03%/C Remote On/Off On: 3.5 V or open circuit, Off: 1.8 V DC DCDC DC MTC35/50 Models and Ratings (1) Input Current (1) Output Power Output Voltage Output Current Efficiency Model Number No Load Full Load 35 W 3.3 VDC 10.00 A 100 mA 1.49 A 84% MTC3528S3V3 35 W 5.0 VDC 7.00 A 100 mA 1.45 A 86% MTC3528S05 35 W 12.0 VDC 2.90 A 100 mA 1.41 A 88% MTC3528S12 35 W 15.0 VDC 2.30 A 100 mA 1.40 A 88% MTC3528S15 35 W 28.0 VDC 1.30 A 100 mA 1.48 A 88% MTC3528S28 50 W 3.3 VDC 15.00 A 100 mA 2.18 A 82% MTC5028S3V3 50 W 5.0 VDC 10.00 A 60 mA 2.15 A 83% MTC5028S05 50 W 12.0 VDC 4.20 A 70 mA 2.13 A 84% MTC5028S12 50 W 15.0 VDC 3.33 A 70 mA 2.13 A 84% MTC5028S15 50 W 28.0 VDC 1.80 A 120 mA 2.15 A 83% MTC5028S28 Notes 1. Typical and measured at 28 V input 2. Total of voltage trim and remote sense is +10% max. Mechanical Details MTC35 0.039 0.17 0.14 0.14 0.12 0.11 (1.00) pins 1, 2, 9 & 10 (4.50) (3.56) (3.56) (3.05) (2.79) 0.50 2 x Mounting holes 0.102 (2.60) 0.14 0.35 0.10 0.10 0.28 7 x 0.031 (12.7) (3.56) (8.89) (2.54) (2.54) (7.11) (0.80) 7 8 9 6 1.10 5 0.75 Bottom View (27.9) (18.9) 4 10 3 11 2 0.11 (2.79) 1 0.10 (2.54) 0.17 (4.50) 1.65 (41.80) 0.12 (3.05) 1.76 (44.70) 2.00 (50.80) Pin Connections Notes Pin Single Output Pin Single Output 1. Dimensions are in inches (mm) 4. Materials & Finish: Pin - Material: Copper 1 +Vin 7 Trim 2. Tolerance: 0.02 inches (0.5 mm) Finish: Nickel plated 2.5 m Ni and 3. Weight: 0.07 lb (35 g) approx 2 -Vin 8 -Sense gold plated 0.3 m Au. 3 Thermal Warning (TW) 9 -Vout 4 Synchronization 10 +Vout Mounting Hole Diameter - 0.10 (2.7) clearance hole Baseplate - Material: Aluminium 5 Remote On/Off 11 +Sense Case - Material: Non-conductive plastic 6 Case MTC50 2.28 (58.00) 0.50 1.86 (47.20) 4 x Mounting holes (12.70) 0.30 0.122 (3.1) (7.62) 2 x 0.059 0.12 (1.50) 0.06 (3.05) (1.53) 1.45 0.14 1 11 (36.80) (3.56) 2 0.48 10 1.03 Bottom View 3 (12.19) (26.20) 9 0.60 4 8 (15.24) 5 7 6 9 x 0.040 (1.02) 0.18 min. 0.30 2.00 (50.80) (4.60) (7.62) Notes Pin Connections 1. Dimensions are in inches (mm) 4. Materials & Finish: Pin Single Output Pin Single Output 2. Tolerance: 0.02 inches (0.5 mm) Pin - Material: Copper 1 +Vin 7 -Vout 3. Weight: 0.14 lb (62 g) approx Finish: Nickel plated 2.5 m Ni and gold plated 2 Remote On/Off 8 -Sense 0.3 m Au. 3 Synchronization 9 Trim Mounting Hole Diameter - 0.126 (3.2) 4 Thermal Warning (TW) 10 +Sense clearance hole Baseplate - Material: Aluminium 5 -Vin 11 +Vout Case - Material: Non-conductive plastic 6 Case