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

MP8771 Rev. 1.11

www.MonolithicPower.com

6

2/24/2020

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TYPICAL PERFORMANCE CHARACTERISTICS

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

Efficiency vs. Load Current

VOUT = 1V, L = 0.56μH, DCR = 1.5mΩ

Efficiency vs. Load Current

VOUT = 1.2V, L = 0.56μH, DCR = 1.5mΩ

60

65

70

75

80

85

90

95

100

02468

10

LOAD CURRENT(A)

VIN=5V

VIN=12V

VIN=18V

60

65

70

75

80

85

90

95

100

02

468

10

LOAD CURRENT(A)

VIN=5V

VIN=12V

VIN=18V

Efficiency vs. Load Current

VOUT = 1.5V, L = 0.56μH, DCR = 1.5mΩ

Efficiency vs. Load Current

VOUT = 1.8V, L = 0.82μH, DCR = 0.9mΩ

60

65

70

75

80

85

90

95

100

0

246

8

10

LOAD CURRENT(A)

VIN=5V

VIN=12V

VIN=18V

60

65

70

75

80

85

90

95

100

02

46

8

10

LOAD CURRENT(A)

VIN=5V

VIN=12V

VIN=18V

Efficiency vs. Load Current

VOUT = 2.5V, L = 0.82μH, DCR = 0.9mΩ

Efficiency vs. Load Current

VOUT = 3.3V, L = 1μH, DCR = 1.35mΩ

70

75

80

85

90

95

100

02

468

10

LOAD CURRENT(A)

VIN=5V

VIN=12V

VIN=18V

70

75

80

85

90

95

100

0

2468

10

LOAD CURRENT(A)

VIN=5V

VIN=12V

VIN=18V