MP4571

– 60V, 1A, SYNCHRONOUS STEP-DOWN CONVERTER

MP4571 Rev. 1.1

www.MonolithicPower.com

14

2/22/2023

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2023 MPS. All Rights Reserved.

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

VIN = 12V, VOUT = 5V, L = 15µH, fSW = 450kHz, AAM, TA = 25°C, unless otherwise noted. (8)

CISPR25 Class 5 Peak Conducted

Emissions

150kHz to 108MHz

-20

-15

-10

-5

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

0.1

108

Frequency (MHz)

1

10

CISPR25 CLASS 5 LIMITS

NOISE FLOOR

CISPR25 Class 5 Average Conducted

Emissions

150kHz to 108MHz

-20

-15

-10

-5

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

0.1

108

Frequency (MHz)

1

10

CISPR25 CLASS 5 LIMITS

NOISE FLOOR

CISPR25 Class 5 Peak Radiated

Emissions

150kHz to 30MHz

-10

-5

0

5

10

15

20

25

30

35

40

45

50

55

60

0.1

30

Frequency (MHz)

1

CISPR25 CLASS 5 LIMITS

NOISE FLOOR

CISPR25 Class 5 Average Radiated

Emissions

150kHz to 30MHz

-10

-5

0

5

10

15

20

25

30

35

40

45

50

55

60

0.1

30

Frequency (MHz)

1

CISPR25 CLASS 5 LIMITS

NOISE FLOOR

CISPR25 Class 5 Peak Radiated

Emissions

Horizontal, 30MHz to 200MHz

-5

0

5

10

15

20

25

30

35

40

45

50

55

30

40

50

60

70

80

90

100

110

120

130

140

150

160

170

180

190

200

Frequency (MHz)

CISPR25 CLASS 5 LIMITS

NOISE FLOOR

HORIZONTAL POLARIZATION

CISPR25 Class 5 Average Radiated

Emissions

Horizontal, 30MHz to 200MHz

-5

0

5

10

15

20

25

30

35

40

45

50

55

30

40

50

60

70

80

90

100

110

120

130

140

150

160

170

180

190

200

Frequency (MHz)

CISPR25 CLASS 5 LIMITS

NOISE FLOOR

HORIZONTAL POLARIZATION