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PTC-08337 Series - 4 Pages

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Catalogue excerpts

PTC-08337 SERIES DC/DC CONVERTERS MINIATURE, HIGH DENSITY TRIPLE OUTPUT UP TO 125W APPLICATIONS Military, Ruggedized, Telecom, Industrial SPECIAL FEATURES ELECTRICAL SPECIFICATIONS Miniature size High efficiency G Wide input range G Input / Output isolation G Fixed switching frequency (250KHz) G External synchronization capability G TTL Logic enable G EMI/RFI filters included G Indefinite short circuit protection with auto-recovery G Over voltage shutdown with autorecovery G Over temperature shutdown with auto-recovery ENVIRONMENTAL Design to meets MIL-STD-810F DC input range: 18 to 70 VDC Option: 12 to 70 VDC – Please consult factory Input Transient Protection: All models meet or exceed (no damage): MIL-STD-1275A (100V for 50 mSec) and MIL-STD-704A, MIL-STD-704D (80V for 0.1 Sec) Efficiency: up to 80% EMI/RFI: Design to meet or exceed MIL-STD-461C CE03, CE07, CS01, CS02, CS06, RE02, RS02, RS03 Isolation: 200V between Input and Output 200V between Input and Case Temperature: Operating -55°C to +85°C (baseplate) Storage -55°C to +125°C Altitude: Method 500.4, Procedure I & II, 40,000 ft. and 70,000 ft. Operational Ripple and Noise: 50mVp-p, typical (max. 1%) Humidity: Method 507.4 - Up to 95% RH (including condensation) Over voltage protection: Passive tranzorb on outputs. Salt Fog: Method 509-4 Vibration and Shock: Shock - Saw-tooth, 20g peak, 11mS. Vibration - Figure 514.5C-17. General minimum integrity exposure. (1 hour per axis.) Line/Load regulation: Less than ±1% (no load to full load, –55°C to +85°C) Current limiting (Hiccup): Continuous protection for unlimited time Over temperature protection (can be removed please consult factory): Shutdown at baseplate temperature of +105°C (±5°C) Automatic recovery at baseplate temperature lower than +95°C (±5°C) Isolation: 200V between Output and Input 100V between Output and Case RELIABILITY 150'000 hours, calculated per MIL-STD-217F at +85°C baseplate, ground fixed. Production & Trading Company AG Gewerbestrasse 9, P.O. Box, CH-6330 Cham, Switzerland phone 041 740 4554, fax 041 740 4664, http://www.ptcag.ch, e-mail: ptc@bluewin.ch FILE: PTC-08337, Page 1 of 4 Rev - ; Date 2012-02-20

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SELECTION GUIDE Model * Signal RTN for the INHIBIT and the SYN signals. Production & Trading Company AG Gewerbestrasse 9, P.O. Box, CH-6330 Cham, Switzerland phone 041 740 4554, fax 041 740 4664, http://www.ptcag.ch, e-mail: ptc@bluewin.ch FILE: PTC-08337, Page 2 of 4 Rev - ; Date 2012-02-20

 Open the catalogue to page 2

FUNCTIONS AND SIGNALS 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 not connected.) TTL “0” – will turn off the power supply. Ground reference for the INHIBIT signal is SIGNAL RTN (pin #5). SYN signal The SYN signal is used to allow the power supply frequency to sync with the system frequency. The system frequency should be 250 KHz ± 10 KHz. When not connected the power supply will work at 250 KHz SIGNAL RTN The SIGNAL RTN is referred to the input. This is used as grounding for...

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Heat Dissipation Surface *Specifications are subject to change without prior notice by the manufacturer Production & Trading Company AG Gewerbestrasse 9, P.O. Box, CH-6330 Cham, Switzerland

 Open the catalogue to page 4

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