LM3555TLE datasheet(11/33 Pages) TI

Il numero della parte	LM3555TLE

Spiegazioni elettronici	LM3555 Synchronous Boost Converter with 500 mA High Side LED Driver and Dual-Mode Control Interface

PDF	33 Pages

Scroll/Zoom	100%

Produttore elettronici	TI [Texas Instruments]

Homepage	http://www.ti.com

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11 / 33 page

TA (°C)

2.20

2.10

2.00

1.90

1.80

-30 -20 -10 0 10 20 30 40 50 60 70 80 90

VIN (V)

2.10

2.05

2.00

1.95

1.90

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = -30°C

TA = +25°C

TA = +85°C

VIN (V)

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = +85°C

TA = +25°C

TA = -30°C

VIN (V)

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = +85°C

TA = -30°C and +25°C

VIN (V)

2.25

2.00

1.75

1.50

1.25

1.00

0.75

2.5

3.1

3.7

4.3

4.9

5.5

ICL = 1.25A

ICL = 1.5A

ICL = 1.75A

ICL = 2.0A

VOUT (V) = 8.2V @ 400 mA

VIN (V)

0.50

0.45

0.40

0.35

0.30

0.25

2.5

3.0

3.5

4.0

4.5

5.0

5.5

ICL = 1.25A

ICL = 1.5A

ICL = 1.75A

ICL = 2.0A

VOUT (V) = 8.2V

LM3555

www.ti.com

SNVS594E – JANUARY 2009 – REVISED NOVEMBER 2011

Typical Characteristics (continued)

Unless otherwise specified: TA = 25°C; VIN = 3.6V; CIN1= 10 µF, CIN2= 0.1 µF, COUT = 11 µF; L = 2.2 µH.

LED Current

Inductor Current Limit

Input Voltage

In Current Limit

Shutdown Current

Standby Current

Input Voltage

Frequency

Temperature

Input Voltage

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