MC33565D Просмотр технического описания (PDF) - ON Semiconductor

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MC33565D

Smart Voltage Regulator for Peripheral Card Applications

ON Semiconductor 

MC33565

1.65

CL = 1.2 nF

1.60

1.55

1.50

1.45

1.40

1.35

1.30

1.25

–25

0

25 50 75 100 125 150

TJ, JUNCTION TEMPERATURE (°C)

Figure 19. Switch Drive Output Rise Time vs.

Junction Temperature

1.4

CL = 1.2 nF

1.2

1.0

0.8

0.6

0.4

0.2

0

–25

0

25 50 75 100 125 150

TJ, JUNCTION TEMPERATURE (°C)

Figure 20. Switch Drive Output Fall Time vs.

Junction Temperature

Trace 1

Vin(M) Falling to Vth(L)

Regulator

Output

Trace 2

Vin(A) Via Bypass Mode FET

Vout Switching to Bypass Mode

200 mA Load

Trace 1

Trace 2

No Load

Vout Load Transient Response

Ch1 100 mV/div Ch2 1.00 V/div 20.0 ms/div

TRACE 1: Vin(M) stepping from 5 V to Vth(L)

TRACE 2: Vout switching from regulator output to Vin(A)

Figure 21. Bypass Mode Transition

Figure 22. Load Transient Response

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