LM2586T-12 datasheet(11/28 Pages) NSC

Teilenummer	LM2586T-12

Bauteilbeschribung	SIMPLE SWITCHER 3A Flyback Regulator with Shutdown

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Hersteller	NSC [National Semiconductor (TI)]

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Flyback Regulator Operation (Continued)

Typical Performance Characteristics

DS012516-24

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

DS012516-65

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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