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OBS025ZJ Datasheet(PDF) 1 Page - Power-One |
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OBS025ZJ Datasheet(HTML) 1 Page - Power-One |
1 / 3 page 1 Powering Communications and Technology 55 60 65 70 75 80 85 90 95 10 20 30 40 50 60 70 80 90 100 LOAD % EFF. OBS017ZE EFF. OBS025ZG EFF. OBS025ZH Efficiency vs. Load (48V Input) 65 70 75 80 85 90 95 10 20 30 40 50 60 70 80 90 100 LO AD % EFF. OBS025YG EFF. OBS025YH EFF. OBS025YJ Efficiency vs. Load (24V Input) • Trim And Enable Pins • Fixed Frequency • 1500V Isolation • 6-Sided Shielding DESCRIPTION FEATURES OBS SERIES 25 WATT OBS single output DC/DC converters provide up to 25 Watts of output power in an industry standard package and footprint. The OBS units feature excellent efficiency, six- sided shielding, and fixed switching frequency. With 100°C case operation, the OBS converters are especially suited to telecom, networking, and industrial applications. These units are 100% surface-mount construction and fully compatible with production board washing processes. • Industry standard package • 24 and 48V input versions • 25W output power • 100°C baseplate operation General Turn-On Time: 24 & 48Vin 10 ms Remote Shutdown Positive Remote Shutdown Reference Vin Negative Switching Frequency 400 kHz Isolation Input - Output 1500 VDC Input - Case (24 Vin units) 500 VDC Output - Case (48 V in units) 500 VDC Temperature Coefficient 0.03%/°C Case Temperature Operating Range -40 to +100°C Storage Range -40 to +125°C Humidity Max., Non-Condensing 95% Vibration, 3 Axes, 5 Min Each 5 g, 10 - 55 Hz MTBF† (Bellcore TR-NWT-000332) 1.8 x 106 hrs Safety UL, cUL, TUV Weight (Approx.) 1.9 oz TECHNICAL SPECIFICATIONS Input Voltage Range 24 VDC Nominal 18 - 36 VDC 48 VDC Nominal 34 - 75 VDC Reflected Ripple 25 mA Input Reverse Voltage Protection Shunt Diode Output Setpoint Accuracy ±1% Line Regulation Vin Min - Vin Max., Iout Rated 0.2% Vout Load Regulation Iout Min. - Iout Max., Vin Nom. 0.5% Vout Minimum Output Current 10 % Iout Rated Dynamic Regulation, Loadstep 25% Iout Pk Deviation 4% Vout Settling Time 500 µs Voltage Trim Range ±10% Iout Rated Short Circuit / Overcurrent Protection Hiccup Current Limit Threshold Range, % of Iout Rated 110 - 140% OVP Trip Range 115 - 140%Vout Nom. OVP Hiccup Notes † MTBF predictions may vary slightly from model to model. Specifications typically at 25°C, normal line, and full load, unless otherwise stated. Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with commercial wave-soldering equipment. Units are water-washable and fully compatible with commercial spray or immersion post wave-solder washing equipment. |
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