LM22680EVAL National Semiconductor, LM22680EVAL Datasheet
LM22680EVAL
Specifications of LM22680EVAL
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LM22680EVAL Summary of contents
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... For load currents higher than 500 mA, an input volt- age of 5.5V or higher is required. The typical operating fre- quency is 500 kHz. The evaluation board is designed to operate at ambient temperatures up to 65°C, and at steady state operating conditions. © 2010 National Semiconductor Corporation National Semiconductor Application Note 1911 Ricardo Capetillo July 6, 2010 The performance of the evaluation board is as follows: Input Range: 4 ...
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... Precision Enable The EN test point provided on the LM22680 evaluation board can be used to shut down the LM22680 when connecting this test point to ground. TABLE 1. LM22680EVAL Bill of Materials for VOUT = 3.3V, Designed for 2A output current Ref # Value C1 6.8 µF 50V ceramic C2 22 µ ...
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Performance Characteristics Unless otherwise specified 12V FIGURE 2. Start-Up Waveforms (Load Resistor = 1.1Ω) FIGURE 3. Operation 25°C. A 30083205 30083202 FIGURE 5. Overall Loop Gain and Phase (f 3 30083203 FIGURE 4. ...
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PCB Layout Diagram www.national.com FIGURE 6. Top Layer 4 30083206 ...
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