MP1660

– SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFETS

MP86953 Rev. 1.0

www.MonolithicPower.com

6

6/9/2020

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TYPICAL PERFORMANCE CHARACTERISTICS (continued)

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

Efficiency vs. Load Current

VOUT = 1V, L = 1.5µH, DCR =

6MΩ

Load Regulation

50

55

60

65

70

75

80

85

90

95

0.01

0.1

1

10

LOAD CURRENT (A)

VIN=5V

VIN=12V

VNI=16V

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0

0.5

1

1.5

2

2.5

3

LOAD CURRENT (A)

VIN=6V

VIN=12V

VIN=16V

Line Regulation

Case Temperature Rise vs. Load

Current

-0.3

-0.2

-0.1

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

4

6

8

10

12

14

16

INPUT VOLTAGE (V)

IOUT=0.01A

IOUT=1.5A

IOUT=3A

0

10

20

30

40

50

0

0.5

1

1.5

2

2.5

3

LOAD CURENT (A)

Enabled Supply Current vs. Input

Voltage

VEN = 2V, VFB = 0.65V

Disabled Supply Current vs. Input

Voltage

VEN = 0V

160

170

180

190

200

210

4

6

8

10

12

14

16

INPUT VOLTAGE (V)

0

1

2

3

4

5

6

4

6

8

10

12

14

16

INPUT VOLTAGE (V)