LM22679EVAL National Semiconductor, LM22679EVAL Datasheet
LM22679EVAL
Specifications of LM22679EVAL
Related parts for LM22679EVAL
LM22679EVAL Summary of contents
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... For load currents higher than 3A, an input voltage of 6.5V or higher is required. The typical operating frequency is 500 kHz. The evaluation board is designed to operate at ambient temperatures up to 30°C. © 2010 National Semiconductor Corporation National Semiconductor Application Note 1891 Frederik Dostal March 12, 2010 The performance of the evaluation board is as follows: Input Range: 4 ...
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... R3 is not populated on the evaluation board. This sets the current limit to the nominal current limit as specified in the LM22679 datasheet. TABLE 1. LM22679EVAL Bill of Materials for VOUT = 3.3V, Designed for 5A output current Ref # Value C1, C7 6.8 µ ...
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Performance Characteristics Unless otherwise specified 12V FIGURE 2. Start-Up Waveforms (Load Resistor = 0.66Ω) FIGURE 3. Operation at 5A FIGURE 4. Efficiency 25°C. A 30077305 FIGURE 5. Overall Loop Gain and Phase (I ...
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PCB Layout Diagram www.national.com 30077306 FIGURE 6. Top Layer FIGURE 7. Bottom Layer 4 30077307 ...
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