LM3555 datasheet(10/38 Pages) TI1

Teilenummer	LM3555

Bauteilbeschribung	Synchronous Boost Converter

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Hersteller	TI1 [Texas Instruments]

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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)

12.5

11.5

10.5

9.5

8.5

7.5

6.5

5.5

4.5

3.5

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = +25°C, Code 3

VLED = 2.4 V

VLED = 2.0 V

VLED = 1.8 V

VIN (V)

15.0

12.5

10.0

7.5

5.0

2.5

0.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

Code 0

Code 1

Code 2

Code 3

VIND = 2.0 V, TA = 25°C

VIN (V)

12.5

11.5

10.5

9.5

8.5

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = +25°C

VIND = 2.0 V, Code 3

TA = -30°C

TA = +85°C

VIN (V)

0.100

0.095

0.090

0.085

0.080

0.075

0.070

0.065

0.060

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = +25°C

VLED (V) = 3.0 V

TA = +85°C

TA = -30°C

VIN (V)

0.080

0.075

0.070

0.065

0.060

0.055

0.050

0.045

0.040

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = +25°C

VLED (V) = 3.0 V

TA = +85°C

TA = -30°C

10

LM3555

SNVS594G – DECEMBER 2008 – REVISED APRIL 2016

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Typical Characteristics (continued)

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

One LED at 60 mA

Figure 13. Torch Current vs Input Voltage

One LED at 80 mA

Figure 14. Torch Current vs Input Voltage

Figure 15. Indicator Current vs Input Voltage Brightness

Codes

Figure 16. Indicator Current vs Input Voltage Tri-Temp

Figure 17. Indicator Current vs Input Voltage VLED

Figure 18. Inductor Current Limit vs Input Voltage

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