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VBSD1-S5-S12-DIP Datasheet(PDF) 3 Page - CUI INC |
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VBSD1-S5-S12-DIP Datasheet(HTML) 3 Page - CUI INC |
3 / 3 page rev. page date DESCRIPTION: dc-dc converter 3 of 3 09/2008 20050 SW 112th Ave. Tualatin, Oregon 97062 phone phone 503.612.2300 fax fax 503.612.2382 PART NUMBER: VBSD1-DIP series APPLICATION NOTES: - Requirement on output load To ensure this module can operate efficiently and reliably, the minimum output load should not be less than 10% of the full load. Also, this product should never be operated under no load conditions. If the actual output power is too small, please connect a resistor with proper resistance at the output end in parallel to increase the load. - Overload protection Under normal operating conditions, the output circuit of these products has no protection against overload. The simplest method is to connect a self-recovery fuse in series at the input end or to add a circuit breaker to the circuit. - Recommended circuit If you want to further decrease the input/output ripple, an “LC” filtering network may be connected to the input and output ends of the dc-dc converter, see (Figure 1). To ensure this module can operate efficiently and reliably, a minimum load is specified for this kind of dc-dc converter in addition to a maximum load (namely full load). During operation, make sure the specified range of input voltage is not exceeded, the minimum output load is not less than 10% of the full load, and that this product should never be operated under no load. If the actual output power is very small, please connect a resistor with proper resistance at the output end in parallel to increase the load, or use our company’s products with a lower rated output power. It is not recommended to connect any external capacitor in the application field with less than a 0.5 watt output. Vin External capacitor Vout External capacitor 3.3/5VDC 4.7uF 3.3VDC 10uF 12VDC 2.2uF 5VDC 10uF 24VDC 1uF 9VDC 4.7uF --- --- 12VDC 2.2uF -- -- 15VDC 1uF EXTERNAL CAPACITOR TABLE L +Vin -Vin +Vout -Vout DC Cin L DC Cout - Output voltage regulation and over-voltage protection circuit The simplest device for output voltage regulation, over-voltage and over-current protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (Figure 2). Vin GND Vin GND REG +Vout 0V 0V +Vout DC DC DC DC REG FIGURE 1 FIGURE 2 Ambient Temperature C ( ) TYPICAL CHARACTERISTICS |
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