MP1660

– SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFETS

MP86953 Rev. 1.0

www.MonolithicPower.com

5

6/9/2020

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TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 12V, VOUT = 3.3V, L = 4.7µH, TA = 25°C, unless otherwise noted.

Efficiency vs. Load Current

VOUT = 5V, L = 4.7

μH, DCR = 16.5mΩ

Efficiency vs. Load Current

VOUT = 3.3V, L = 4.7

μH, DCR = 16.5mΩ

70

75

80

85

90

95

100

0.01

0.1

1

10

LOAD CURRENT (A)

VIN=8V

VIN=12V

VNI=16V

70

75

80

85

90

95

100

0.01

0.1

1

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VNI=16V

Efficiency vs. Load Current

VOUT = 2.5V, L = 3.3

μH, DCR = 11.7mΩ

Efficiency vs. Load Current

VOUT = 1.8V, L = 2.2

μH, DCR = 8.3mΩ

70

75

80

85

90

95

100

0.01

0.1

1

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VNI=16V

65

70

75

80

85

90

95

100

0.01

0.1

1

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VNI=16V

Efficiency vs. Load Current

VOUT = 1.5V, L = 2.2

μH, DCR = 8.3mΩ

Efficiency vs. Load Current

VOUT = 1.2V, L = 1.5

μH, DCR = 6mΩ

60

65

70

75

80

85

90

95

100

0.01

0.1

1

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VNI=16V

55

60

65

70

75

80

85

90

95

0.01

0.1

1

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VNI=16V