LM2673-5.0EVAL National Semiconductor, LM2673-5.0EVAL Datasheet
LM2673-5.0EVAL
Specifications of LM2673-5.0EVAL
LM2673-5.0-EVAL
LM2673-5.0-EVAL
Related parts for LM2673-5.0EVAL
LM2673-5.0EVAL Summary of contents
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... This board was designed such that both through-hole and surface-mount components can be used for construction. The TABLE 1. LM267X Family of High-Current Regulators supported by the Evaluation Board Device Maximum Load Current (A) LM2670 LM2673 LM2676 LM2677 LM2678 LM2679 FIGURE 1. Example Schematic Showing Connection for all Components. ...
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... Feedback resistor (typ. 1 kΩ) for adjustable output converters. This designator is left shorted (replaced by a jumper wire) for fixed output voltage converters. Current limit resistor for LM2673, LM2679; Sync input resistor (1 kΩ) for LM2670 and LM2677; Not inserted for LM2676 and LM2678. ...
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FIGURE 3. Bottom Layer Foil Pattern of Printed Circuit Board FIGURE 4. Silkscreen Image of Printed Circuit Board Special Notes The evaluation board was designed primarily for circuit im- plementation using all surface-mount components. The small series "trace inductance", particularly ...
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... Example Circuit Designs Example 1: 5V/3A Converter with Surface Mount Compo- nents. In this example desired to convert a voltage range of between 8V and 12V, to 5VDC with load current of 3A TABLE 3. Component Values for an 8-12V in, 5V/3A Out LM2673S-5.0 Buck Converter Component U1 CIN CINX CB D1 3A/60V Schottky (450 mV at 3A) ...
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A: OUTPUT VOLTAGE 2V/DIV OUT B: LOAD CURRENT 500 mA; 500 mA/DIV LOAD Output Voltage with 500 mA Load FIGURE 6. Output Voltage Waveforms with 500 mA Load A: OUTPUT VOLTAGE 2V/DIV OUT B: ...
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A: OUTPUT VOLTAGE 2V/DIV OUT B: LOAD CURRENT 3A; 1A/DIV LOAD Output Voltage with 3A Load FIGURE 8. Output Voltage Waveforms with 3 Amp Load A: OUTPUT RESPONSE; 1V/DIV B: TRANSIENT LOAD CURRENT: 1A/DIV ∼ Output ...
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Example 2: 5V/5A Design with Surface Mount Components For this example desired to design a power supply to convert an input voltage within the range of 14V and 28V to an output voltage of 5V with a maximum ...
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A: OUTPUT VOLTAGE 2V/DIV OUT B: LOAD CURRENT 500 mA; 500 mA/DIV LOAD Output Voltage with 500 mA Load FIGURE 11. Output Voltage Waveforms with 500 mA Load A: OUTPUT VOLTAGE 2V/DIV OUT B: ...
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A: OUTPUT VOLTAGE 2V/DIV OUT B: LOAD CURRENT 5A; 2A/DIV LOAD Output Voltage with 5A Load FIGURE 13. Output Voltage Waveforms with 5A Load A: OUTPUT RESPONSE; 1V/DIV B: TRANSIENT LOAD CURRENT: 500 mA/DIV ∼ Output ...
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... The input source for the LM267x family of regulators must greater for proper setup and operation. The input volt- age range for LM2673S-5_EVAL evaluation board is from 8V to 12V and the range for LM2679S-5_EVAL is from 14V to 28V. The maximum voltage rating of the LM267x family of regulators is 40V ...
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Notes 11 www.national.com ...
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