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VWRBT2-D12-S3.3-SMT Datasheet(PDF) 3 Page - CUI INC |
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VWRBT2-D12-S3.3-SMT Datasheet(HTML) 3 Page - CUI INC |
3 / 3 page page date DESCRIPTION: dc-dc converter 3 of 3 05/2008 20050 SW 112th Ave. Tualatin, Oregon 97062 phone phone 503.612.2300 fax fax 503.612.2382 PART NUMBER: VWRBT2 Series Application Notes: - All of the VWRBT2-SMT Series have been tested according to the following recommended testing circuit before leaving the factory. This series should be tested under load (Figure 1). If you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low ESR. However, the capacitance should not be too high(Table 1). - NC Terminals Unless otherwise specified, NC terminals of all series are used for converter's interior circuit connection, and are not allowed connection of any external circuit. - Input current Nominal input voltage range. The input current of the power supply must be sufficient to the startup current (Ip) of the DC/DC module (Figure 2) Temperature Derating Curve - Output Load In order to ensure the product operates efficiently and reliably, make sure the specified range of input voltage is not exceeded. No parallel connection or plug and play. 2200 1000 330 150 120 3.3 5 9 12 15 Table 1 Figure 2 DC DC Cin +Vin -Vin +Vout -Vout Figure 1 - Recommended circuit It is best to test with full load and not to test without load. To further reduce output ripple, you may increase the external capacitor, choose a capacitor with low ESR, or add external inductor to the circuit as shown above. General: Cin: 12V 100μF 24V 10μF or 22μF Cout:100μF(typ) |
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