MP8771 – 18V, 10A, SYNCHRONOUS, STEP-DOWN CONVERTER

MP8771 Rev. 1.11

www.MonolithicPower.com

7

2/24/2020

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TYPICAL PERFORMANCE CHARACTERISTICS (continued)

VIN = 12V, VOUT = 1V, L = 0.56µH, TA = 25°C, unless otherwise noted.

Efficiency vs. Load Current

VOUT = 5V, L = 1.2μH, DCR = 1.8mΩ

Load Regulation vs. Load Current

VOUT = 1V

70

75

80

85

90

95

100

02468

10

LOAD CURRENT(A)

VIN=7V

VIN=12V

VIN=18V

‐0.5

‐0.4

‐0.3

‐0.2

‐0.1

0

0.1

0.2

0.3

0.4

0.5

012345678

9

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VIN=18V

Load Regulation vs. Load Current

VOUT = 1.2V

Load Regulation vs. Load Current

VOUT = 1.5V

‐0.5

‐0.4

‐0.3

‐0.2

‐0.1

0

0.1

0.2

0.3

0.4

0.5

0123456

789

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VIN=18V

‐0.5

‐0.4

‐0.3

‐0.2

‐0.1

0

0.1

0.2

0.3

0.4

0.5

01

23

45

67

89

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VIN=18V

Load Regulation vs. Load Current

VOUT = 1.8V

Load Regulation vs. Load Current

VOUT = 2.5V

‐0.5

‐0.4

‐0.3

‐0.2

‐0.1

0

0.1

0.2

0.3

0.4

0.5

012

3456789

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VIN=18V

‐0.5

‐0.4

‐0.3

‐0.2

‐0.1

0

0.1

0.2

0.3

0.4

0.5

0123456789

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VIN=18V