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PTC-02786 Series - 4 Pages

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Catalogue excerpts

DC/DC CONVERTERS MINIATURE, HIGH DENSITY, DUAL OUTPUT Military (Airborne, ground-fix, shipboard), Ruggedized, Telecom, Industrial Special Features • Miniature size • High efficiency • Wide input range • Input / Output isolation • Remote sense External On/Off Inhibit Fixed switching frequency (250 KHz) External synchronization capability EMI/RFI filters included > Indefinite short circuit protection with ' Over-voltage shutdown with > Over temperature shutdown with Electrical Specifications Line/Load regulation: (no load to full load, -55°C to +85°C) Less than 50mVp-p, typical (max. 1 %) without external capacitance. When connected to system capacitance ripple drops significantly Total Output power - 30W (full load, room temperature) Load Transient Overshoot and Output resistance at load change of 50%- voltage). Output back to steady stated within 200V between Input and Output 200V between Input and Case 100V between Output and Case Design to meet or exceed MIL-STD- Voltage overshoot at during power on is less than 3% nominal voltage • Inrush Current Limiter- peak value of 5 x lin for less than 50uSec • Under voltage protection - unit protects itself (no damage) below • Over voltage protection - unit protects itself (no damage) above • Passive tranzorb on outputs - 20% above nominal voltage • Current limiting - Continuous protection (10-30% above maximum current) for unlimited time (Hiccup) • Over temperature protection: Shutdown at base plate temperature of base plate temperature lower than Thresholds and protections can be modified / removed - please consult factory. Production & Trading Company AG Gewerbestrasse 9, P.O. Box, CH-6330 Cham, Switzerland

 Open the catalogue to page 1

Environmental (Design to meet MIL-STD-81 OF) Operating: -55°C to +85°C (base plate) Shock - Saw-tooth, 20g peak, 11 mS. Vibration - Figure 514.5C-17. General minimum integrity exposure. (1 hour per axis) Ground fixed Environmental Stress Screening (ESS) Including random vibration and thermal cycles is also available. Please consult factory for details. * All output parallel pins should be connected together for best performance. INHIBIT signal The INHIBIT signal is used to turn the power supply ON and OFF. TTL "1 "or OPEN - will turn on the power supply. (For normal operation leave the signal...

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Typical connection Production & Trading Company AG Gewerbestrasse 9, P.O. Box, CH-6330 Cham, Switzerland

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OUTLINE DRAWING AIRBORN CONNECTOR COOLING SURFACE HEAT DISSIPATION SURFACE Dissipation Area 'Specifications are subject to change without prior notice by the manufacturer Mounting holes can be modified - please consult factory. Parasolide 3D module is available Production & Trading Company AG Gewerbestrasse 9, P.O. Box, CH-6330 Cham, Switzerland

 Open the catalogue to page 4

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