LT3935

20

Rev. 0

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TYPICAL APPLICATIONS

EN/UVLO

CTRL

PWM

SYNC/SPRD

SS

RT

RP

ISP

ISN

FB

BST

LT3935

9V TO 18V

ISMON

FAULT

GND

SW

0.1µF

L1: WURTH 74438357010

FB1, FB2 : MURATA BLM21PG121SH1D

×2

1µF

×2

10µF

×2

FB1

10µF

×2

L1

FB2

1µF

121k

10k

10µF

100k

34k

2.2µF

169k

34k

100k

2.2µF

150pF

10k

1nF

45.3k

2MHz

0.1µF

25m

3935 TA02

ISMON

DC2987A–2 DEMO BOARD

CLASS 5 PEAK LIMIT

MEASURED EMISSION

AMBIENT NOISE

FREQUENCY (Hz)

100k

1M

10M

100M 200M

–20

–10

0

10

20

30

40

50

60

70

80

3935 TA02a

DC2987A–2 DEMO BOARD

CLASS 5 PEAK LIMIT

MEASURED EMISSION

AMBIENT NOISE

FREQUENCY (Hz)

100k

1M

10M

100M

1G

–20

–10

0

10

20

30

40

50

60

70

80

3935 TA02b

DC2987A – 2 DEMO BOARD

CLASS 5 AVERAGE LIMIT

MEASURED EMISSION

AMBIENT NOISE

FREQUENCY (Hz)

100k

1M

10M

100M 200M

–20

–10

0

10

20

30

40

50

60

70

80

3935 TA02c

DC2987A–2 DEMO BOARD

CLASS 5 AVERAGE LIMIT

MEASURED EMISSION

AMBIENT NOISE

FREQUENCY (Hz)

100k

1M

10M

100M

1G

–20

–10

0

10

20

30

40

50

60

70

80

3935 TA02d

4A LED Driver with Analog CTRL Current

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Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications

subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

CISPR25 Peak Conducted EMI Performance

CISPR25 Average Conducted EMI Performance

CISPR25 Peak Radiated EMI Performance

CISPR25 Average Radiated EMI Performance