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FW300B1 Scheda tecnica(PDF) 2 Page - Lineage Power Corporation |
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FW300B1 Scheda tecnica(HTML) 2 Page - Lineage Power Corporation |
2 / 20 page 2 Lineage Power Data Sheet April 2008 36 Vdc to 75 Vdc Input, 12 Vdc Output; 250 W to 300 W FW250B1 and FW300B1 Power Modules: dc-dc Converters: 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. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability. Parameter Symbol Min Max Unit Input Voltage: Continuous Transient (100 ms) VI VI, trans — — 80 100 Vdc V I/O Isolation Voltage (for 1 minute) — — 1500 Vdc Operating Case Temperature (See Thermal Considerations section and Figure 18.) TC –40 100 °C Storage Temperature Tstg –55 125 °C Electrical Specifications Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. Table 1. Input Specifications Parameter Symbol Min Typ Max Unit Operating Input Voltage VI 36 48 75 Vdc Maximum Input Current (VI = 0 V to 75 V): FW250B1 FW300B1 II, max II, max — — — — 10 12 A A Inrush Transient i2t — — 2.0 A2s Input Reflected-ripple Current, Peak-to-peak (5 Hz to 20 MHz, 12 µH source impedance; see Figure 8.) II — 10 — mAp-p Input Ripple Rejection (120 Hz) — — 60 — dB Fusing Considerations CAUTION: This power module is not internally fused. An input line fuse must always be used. This encapsulated power module can be used in a wide variety of applications, ranging from simple stand-alone operation to an integrated part of a sophisticated power architecture. To preserve maximum flexibility, internal fus- ing is not included; however, to achieve maximum safety and system protection, always use an input line fuse. The safety agencies require a normal-blow fuse with a maximum rating of 20 A (see Safety Considerations section). Based on the information provided in this data sheet on inrush energy and maximum dc input current, the same type of fuse with a lower rating can be used. Refer to the fuse manufacturer’s data for further information. |
Codice articolo simile - FW300B1 |
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