LM3401 datasheet(6/27 Pages) TI

No de pièce	LM3401

Description	LM3401 Hysteretic PFET Controller for High Power LED Drive

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Fabricant	TI [Texas Instruments]

Site Internet	http://www.ti.com

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6 / 27 page

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INPUT VOLTAGE (V)

1 series (700 mA)

2 series (700 mA)

1 series (1A)

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INPUT VOLTAGE (V)

1 series

2 series

3 series

2.0

3.5

5.0

6.5

8.0

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INPUT VOLTAGE (V)

180 pF

470 pF

1000 pF

20 Ps/DIV

VIN

10V/Div

ILED

100 mA/Div

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INPUT VOLTAGE (V)

3.30

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-50

-25

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TURN-ON

TURN-OFF

TEMPERATURE (

°C)

LM3401

SNVS516C – AUGUST 2007 – REVISED MAY 2013

www.ti.com

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

Unless otherwise specified, VIN = 24V, TA = 25°C.

UVLO Threshold vs Temperature

SNS to HG Propagation Delay vs VIN

Figure 8.

Figure 9.

Line Transient Response

Initial HG Voltage vs Input Voltage

Figure 10.

Figure 11.

350 mA Efficiency

700 mA and 1A Efficiency

Figure 12.

Figure 13.

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