Typical Performance Characteristics

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As shown in Figure 4, the LM2586 can be used as a flyback regulator by using a minimum number of external components. The switching waveforms of this

regulator are shown in Figure 5. Typical Performance Characteristics observed during the operation of this circuit are shown in Figure 6.

FIGURE 4. 12V Flyback Regulator Design Example

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A: Switch Voltage, 20V/div

B: Switch Current, 2A/div

C: Output Rectifier Current, 2A/div

D: Output Ripple Voltage, 50 mV/div AC-Coupled

FIGURE 5. Switching Waveforms

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