AP64501

Document number: DS41980 Rev. 4 - 2

7 of 26

www.diodes.com

August 2019

© Diodes Incorporated

AP64501

Typical Performance Characteristics (AP64501 at TA = +25°C, VIN = 12V, VOUT = 5V, CSS = 10nF, unless otherwise

specified.)

Figure 4. Efficiency vs. Output Current, VIN = 12V

Figure 5. Efficiency vs. Output Current, VIN = 24V

Figure 6. Line Regulation

Figure 7. Load Regulation

Figure 8. Feedback Voltage vs. Temperature

Figure 9. Power MOSFET RDS(ON) vs. Temperature

50

55

60

65

70

75

80

85

90

95

100

0.001

0.010

0.100

1.000

10.000

IOUT (A)

VOUT = 5V, L = 3.6

μH

VOUT = 3.3V, L = 3.3

μH

50

55

60

65

70

75

80

85

90

95

100

0.001

0.010

0.100

1.000

10.000

IOUT (A)

VOUT = 5V, L = 3.6

μH

VOUT = 3.3V, L = 3.3

μH

4.800

4.825

4.850

4.875

4.900

4.925

4.950

4.975

5.000

5.025

5.050

5

10

15

20

25

30

35

40

45

VIN (V)

IOUT = 0A

IOUT = 1A

IOUT = 2A

IOUT = 3A

IOUT = 4A

IOUT = 5A

4.800

4.825

4.850

4.875

4.900

4.925

4.950

4.975

5.000

5.025

5.050

0.00 0.75 1.50 2.25 3.00 3.75 4.50 5.25 6.00

IOUT (A)

VIN = 12V

VIN = 24V

0.792

0.793

0.794

0.795

0.796

0.797

0.798

0.799

0.800

0.801

0.802

-50

-25

0

25

50

75

100

125

150

Temperature (

°C)

0

10

20

30

40

50

60

70

80

90

100

-50

-25

0

25

50

75

100

125

150

Temperature (

°C)

High-Side MOSFET

Low-Side MOSFET