MP8861 – 2.85V - 18V, 6A, SYNCHRONOUS, STEP-DOWN CONVERTER

MP8861 Rev. 1.1

www.MonolithicPower.com

8

5/28/2020

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© 2020 MPS. All Rights Reserved.

TYPICAL PERFORMANCE CHARACTERISTICS

Performance waveforms are tested on the evaluation board.

VIN = 12V, VOUT = 1V, L = 1.5µH, FS = 500kHz, auto PFM/PWM mode, TA = 25°C, unless

otherwise noted.

100

150

200

250

300

350

400

450

500

0

1

2

3

4

5

6

7

8

1.195

1.2

1.205

1.21

1.215

1.22

1.225

592

594

596

598

600

602

604

606

608

-1

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

0.01

0.1

1

-40-25-10 5 20 35 50 65 80 95110125

-40-25-10 5 20 35 50 65 80 95110125

369

12

15

18

VIN=4.5V

VIN=12V

60

64

68

72

76

80

84

88

92

96

100

VIN=18V

0.01

0.1

1

8

VIN=4.5V

VIN=12V

60

64

68

72

76

80

84

88

92

96

100

VIN=18V

0.01

0.1

1

8

60

64

68

72

76

80

84

88

92

96

100

VIN=4.5V

VIN=12V

VIN=18V

3456789 101112131415161718

3456789 101112131415161718

IOUT=0A

IOUT=6A

0.01

0.1

1

8

60

64

68

72

76

80

84

88

92

96

100

VIN=4.5V

VIN=12V

VIN=18V

8