0.1

1

10

100

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FREQUENCY (MHz)

Emissions

CISPR 22 Quasi Peak

CISPR 22 Average

5V/Div

1 ms/Div

VOUT

ENABLE

0

200

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FREQUENCY (MHz)

Emissions (Evaluation Board)

EN 55022 Limit (Class B)

LMZ14202H

www.ti.com

SNVS691H – JANUARY 2011 – REVISED OCTOBER 2015

Typical Characteristics (continued)

Unless otherwise specified, the following conditions apply: VIN = 24 V; CIN = 10-uF X7R Ceramic; CO = 47 uF; TA = 25°C.

Figure 44. Radiated EMI of Evaluation Board, VOUT = 12 V

Figure 43. Start-Up

VIN = 24 V IOUT = 2 A

Figure 45. Conducted EMI, VOUT = 12 V

Evaluation Board BOM and 3.3-µH 2×10-µF LC line filter

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