QHW050F71 Lineage Power, QHW050F71 Datasheet
QHW050F71
Specifications of QHW050F71
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QHW050F71 Summary of contents
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... Description The QHW050F71 Power Module is a dc-dc converter that operates over an input voltage range of 36 Vdc to 75 Vdc and provides a precisely regulated dc output. The output is fully isolated from the input, allowing versatile polarity configurations and grounding connections. The module has maximum power rating and a typi- cal full-load efficiency of 85% ...
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... QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso- lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet ...
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... Consult your sales representative or the factory. † These are manufacturing test limits. In some situations, results may differ. Table 3. Isolation Specifications Parameter Isolation Capacitance Isolation Resistance Lineage Power QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output (continued) Symbol V O, set V O — ...
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... QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output General Specifications Parameter Calculated MTBF ( max Weight Feature Specifications Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See the Feature Descriptions section for additional information. ...
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... OUTPUT CURRENT, I Figure 2. Typical QHW050F71 Converter Efficiency vs. Output Current at Room Temperature Lineage Power QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output 5 (V) I 8-3261(F) Note: See Figure 8 for test conditions. Figure 3. Typical QHW050F71 Output Ripple Voltage at Room Temperature (A) O 8-3263(F) V ...
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... Eliminate Ripple Component.) TIME, t (50 μs/div) Note: Tested with a 1000 µF aluminum and a 1.0 µF ceramic capaci- tor across the load. Figure 5. Typical QHW050F71 Transient Response to Step Decrease in Load from 50% to 25% of Full Load at Room Temperature and 48 Vdc Input. (Waveform Averaged to Eliminate Ripple Component ...
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... Figure 9. Output Voltage and Efficiency Measurement Test Setup Lineage Power QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output Design Considerations Input Source Impedance CURRENT The power module should be connected to a low PROBE ac-impedance input source. Highly inductive source ...
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... QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output Feature Descriptions Overcurrent Protection To provide protection in a fault (output overload) condi- tion, the unit is equipped with internal current-limiting circuitry and can endure current limiting for up to one second. If overcurrent exists for more than one second, the unit will shut down ...
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... This limit includes any increase in voltage due to remote-sense compensation and output voltage set- point adjustment (trim). See Figure 11. Lineage Power QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output Although the output voltage can be increased by both the remote sense and by the trim, the maximum increase for the output voltage is not the sum of both ...
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... QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output Feature Descriptions (continued) Output Overvoltage Protection The output overvoltage protection consists of circuitry that monitors the voltage on the output terminals. If the voltage on the output terminals exceeds the overvolt- age protection threshold, then the module will shut down and latch off ...
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... OUTPUT CURRENT, I Figure 17. QHW050F71 Power Dissipation vs. Output Current at 25 °C Lineage Power QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output Heat Transfer with Heat Sinks (continued) The power modules have through-threaded 0.5 (continued) mounting holes, which enable heat sinks or cold plates to attach to the module ...
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... QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output Thermal Considerations Heat Transfer with Heat Sinks 0.5 1.0 1.5 (100) (200) (300) VELOCITY, m/s (ft./min.) Figure 19. Case-to-Ambient Thermal Resistance Curves; Longitudinal Orientation LOCAL AMBIENT TEMPERATURE, T Figure 20. Heat Sink Power Derating Curves; ...
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... The module used to collect the data in Figures 18 and 19 had a thermal-conductive dry pad between the case and the heat sink to minimize contact resistance. Lineage Power QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output Custom Heat Sinks (continued) A more detailed model can be used to determine the ...
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... QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output Outline Diagram Dimensions are in millimeters and (inches). Tolerances: x.x mm ± 0.5 mm (x.xx in. ± 0.02 in.) x.xx mm ± 0.25 mm (x.xxx in. ± 0.010 in.) Top View Side View 4.1 (0.16) MIN, Bottom View 3.6 (0.14) 5 ...
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... Voltage 48 Vdc 3.3 Vdc 48 Vdc 3.3 Vdc Table 5. Device Options Option Case Ground Pin Auto-re-start after overtemperature, overvoltage, or overcurrent shutdown Negative On/Off Logic Lineage Power QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output 47.2 (1.86) V (+) V (+) SENSE TRIM ON/OFF – ...
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... QHW050F71 Power Modules; dc-dc Converters Vdc Input, 3.3 Vdc Output Ordering Information (continued) Table 6. Device Accessories Accessory 1/4 in. transverse kit (heat sink, thermal pad, and screws) 1/4 in. longitudinal kit (heat sink, thermal pad, and screws) 1/2 in. transverse kit (heat sink, thermal pad, and screws) 1/2 in ...
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... Lineage Power reserves the right to make changes to the produc t(s) or information contained herein without notice. No liability is ass umed as a res ult of their use or applic ation. No rights under any patent acc om pany the sale of any oduct information. ...