LM3555 datasheet(9/33 Pages) TI

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BRCTORCH (#)

0.20

0.18

0.16

0.14

0.12

0.10

0.08

0.06

0.04

0.02

0.00

TA = -30°C, +25°C, +85°C

VIN (V) = 3.6V, VLED (V) = 3.0V

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) = 3.0V

TA = +85°C

TA = -30°C

VIN (V)

1.30

1.12

0.94

0.76

0.58

0.40

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = +25°C

TA = +85°C

TA = -30°C

VLED = 3.6V

ILED = 500 mA

VIN (V)

100

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = -30°C

TA = +25°C

TA = +85°C

VLED (@ 500 mA) = 3.6V

BRC (#)

0.60

0.55

0.50

0.45

0.40

0.35

0.30

0.25

0.20

0.15

0.10

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

TA = +85°C

TA = -30°C and +25°C

VIN (V)

0.60

0.58

0.56

0.54

0.52

0.50

0.48

0.46

0.44

0.42

0.40

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = -30°C

TA = +25°C

TA = +85°C

VLED = 3.6V

LM3555

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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.

Single LED

One LED @ 500mA

Flash Current

LED Current

Brightness Code

Input Voltage

One LED @ 500mA

Input Current

LED Efficiency

Input Voltage

Torch Current

60mA Torch Current

Brightness Code

Input Voltage

1 LED

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