LM3550 datasheet(6/37 Pages) TI1

No. de pieza	LM3550

Descripción Electrónicos	5A Flash LED Driver with Automatic VLED and ESR Detection for Mobile Camera Systems

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Fabricante Electrónico	TI1 [Texas Instruments]

Página de inicio	http://www.ti.com

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IOUT (A)

4.80

4.70

4.60

4.50

4.40

4.30

4.20

0.00

0.05

0.10

0.15

0.20

0.25

TA = -30°C, +25°C

VIN = 3.6V

TA = 85°C

4.80

4.70

4.60

4.50

4.40

4.30

4.20

IOUT (A)

4.75

4.70

4.65

4.60

4.55

4.50

4.45

4.40

4.35

4.30

4.25

0.00

0.05

0.10

0.15

0.20

0.25

VIN = 5.5V

VIN = 2.7V

TA = 25°C

VIN = 4.2V, 3.6V, 3.3V, 3.0V

4.75

4.70

4.60

4.65

4.40

4.30

4.25

4.55

4.50

4.45

4.35

IOUT (A)

5.30

5.20

5.10

5.00

4.90

4.80

4.70

4.60

4.50

4.40

4.30

4.20

0.00

0.05

0.10

0.15

0.20

0.25

VIN = 5.5V

VIN = 2.7V

TA = 25°C

VIN = 4.2V, 3.6V, 3.3V, 3.0V

5.20

5.10

4.90

5.00

4.50

4.30

4.20

4.80

4.70

4.60

4.40

5.30

IOUT (A)

5.25

5.20

5.15

5.10

5.05

5.00

4.95

4.90

4.85

4.80

4.75

0.00

0.05

0.10

0.15

0.20

0.25

TA = -30°C, +25°C

VIN = 3.6V

TA = 85°C

5.25

5.20

5.10

5.15

4.90

4.80

4.75

5.05

5.00

4.95

4.85

IOUT (A)

5.50

5.40

5.30

5.20

5.10

5.00

4.90

4.80

4.70

4.60

4.50

4.40

4.30

4.20

0.00

0.05

0.10

0.15

0.20

0.25

VIN = 5.5V

VIN = 2.7V

TA = 25°C

VIN = 4.2V, 3.6V, 3.3V

VIN = 3.0V

5.50

5.40

5.20

5.10

4.90

5.00

4.50

4.30

4.20

4.80

4.70

4.60

4.40

5.30

IOUT (A)

5.50

5.40

5.30

5.20

5.10

5.00

0.00

0.05

0.10

0.15

0.20

0.25

TA = -30°C, +25°C

VIN = 3.6V

TA = 85°C

5.50

5.40

5.30

5.20

5.10

5.00

LM3550

SNVS569B – MAY 2009 – REVISED MAY 2013

www.ti.com

Typical Performance Characteristics

Unless otherwise specified: TA = 25°C; VIN = 3.6V; CIN = 4. 7 µF, COUT = 2.2 µF, C1 = C2 = 1 µF. Super-Capacitor = 0.5F

TDK EDLC272020-501-2F-50,

Output Voltage

vs.

Output Current

5.3V Mode

5.3V Mode, Tri-Temp

Figure 3.

Figure 4.

Output Voltage

vs.

Output Current

5.0V Mode

5.0V Mode, Tri-Temp

Figure 5.

Figure 6.

Output Voltage

vs.

Output Current

4.5V Mode

4.5V Mode, Tri-Temp

Figure 7.

Figure 8.

6

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