AN1537 datasheet(7/18 Pages) STMICROELECTRONICS

Part #	AN1537

Description	A SIMPLE TRICK ENHANCES

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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AN1537 APPLICATION NOTE

Figure 8. 45W AC-DC adapter: waveforms @ Pout = 0.5W

Figure 9. 45W AC-DC adapter: waveforms @ Pout = 0.3W

Figure 10. 45W AC-DC adapter: waveforms @ Pout = 0W

Q1 Drain

Vin = 110 Vac, Pout = 0.5W

Q1 Drain

Vin = 220 Vac, Pout = 0.5W

RCT (pin 2 of L5991)

Q1 Drain

Vin = 110 Vac, Pout = 0.3W

Q1 Drain

Vin = 220 Vac, Pout = 0.3W

RCT (pin 2 of L5991)

Q1 Drain

Vin = 110 Vac, Pout = 0W

Q1 Drain

Vin = 220 Vac, Pout = 0W

RCT (pin 2 of L5991)

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