A6986F datasheet(65/72 Pages) STMICROELECTRONICS

Part #	A6986F

Description	38 V 1.5 A synchronous step-down switching regulator

PDF	72 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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65 / 72 page

DocID027739 Rev 1

65/72

A6986F

EMC testing results

Figure 59. CE 150R at VS1 test point (see Figure 58) at 80% ILOAD

Figure 60. CE 150R at VS1 test point (see Figure 58) at 10% ILOAD

Test results

(continue):

Test case

CE #1 -

Emission VS /

Iload_VOUT =

1.2A

-20

-10

100

0,1

100

1000

Limit BISS class II global / 10-K (PK)

Limit BISS class III global / 12-M (PK)

PK - VS1

AV - VS1

[MHz]

[dBµV]

CE - 150 Ohm method - Global Pins

DUT:

Mode:

Iload_Vout = 1.2A

Test case:

Emission VS (VS1)

A6986F5V

Test case

CE #2 -

Emission VS /

Iload_VOUT =

150mA

-20

-10

100

0,1

100

1000

Limit BISS class II global / 10-K (PK)

Limit BISS class III global / 12-M (PK)

PK - VS1

AV - VS1

[MHz]

[dBµV]

CE - 150 Ohm method - Global Pins

DUT:

Mode:

Iload_Vout = 150mA

Test case:

Emission VS (VS1)

A6986F5V

A6986F Datasheet(PDF) 65 Page - STMicroelectronics

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