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LT1740-7Z Datasheet(PDF) 2 Page - Power-One |
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LT1740-7Z Datasheet(HTML) 2 Page - Power-One |
2 / 4 page 2 www.power-one.com Edition 5/07/01 Cassette Style T Series Input Input voltage AC refer to selection chart Input frequency 47/63 Hz Power factor active PFC >0.96 Inrush current virtually no inrush current Output Efficiency Ui nom, Io nom up to 93 % Output voltage setting accuracy Ui nom, 50% Io nom ±0.25 V Output voltage noise (total) IEC/EN 61204, including a sinusoidal output ripple at twice the line frequency ≤1.1 V pp Line regulation Ui min...Ui max, Io nom typ. 1.6 % Load regulation Ui nom, 1...100% Io nom typ. 2.5 % Minimum load not required Current limitation constant power, constant current characteristic typ. 145 % Io nom Operation in parallel enabled by droop current share Hold-up time Io nom, output voltage decrease to 85% Uo nom 16 ms Protection Input fuse built-in, UT/LT 10 A slow blow/6.3 A fast Reverse polarity bridge rectifier Input undervoltage lockout typ. 90 % Ui min Input overvoltage lockout typ. 104 % Ui max Input transient varistor Output no-load, overload and short circuit proof Output overvoltage second control loop 30/60 V SELV Overtemperature switch-off with auto restart TC typ. 100°C Control Output voltage adjustment Ucr input for remote control 93...104% Uo nom Inhibit output enabled if inhibit left open Output undervoltage monitoring threshold level externally adjustable Status monitoring system good (Sys OK, Uo OK, no int. or external fault) Status indication LEDs: Sys OK, Uo OK and Error Safety Approvals EN 60950, UL 1950, CSA 22.2 No. 950 Electric strength test voltage class I, I/case 2 kV AC class I, I/O 4 kV AC class I, O/case 1 kV AC Degree of protection IP 30 |
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