LM3556TMX datasheet(7/39 Pages) TI1

Nome de Peças	LM3556TMX

Descrição Electrónicos	Synchronous Boost LED Flash Driver With High-Side Current Source

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Fabricante Electrônico	TI1 [Texas Instruments]

Página de início	http://www.ti.com

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2.7 3.1 3.4 3.8 4.1 4.5 4.8 5.2 5.5

50

55

60

65

70

75

80

85

90

95

100

VIN (V)

TA=25°C

TA=85°C

TA=-40°C

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

VIN (V)

25°C

85°C

- 40°C

0.1

0.3

0.5

0.7

0.9

1.1

1.3

1.5

60

64

68

72

76

80

84

88

92

96

100

ILED(A)

VIN =4.2V

VIN =3.9V

VIN =3.6V

VIN =3.3V

VIN =3.0V

VIN =2.7V

2.7 3.1 3.4 3.8 4.1 4.5 4.8 5.2 5.5

0.340

0.348

0.355

0.363

0.370

0.378

0.385

0.393

0.400

VIN (V)

TA=25°C

TA=85°C

TA=-40°C

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

1.40

1.45

1.50

1.55

1.60

VIN(V)

TA = -40°C

TA = +25°C

TA = -+85°C

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

50

60

70

80

90

100

VIN(V)

TA = -40°C

TA = +25°C

TA = +85°C

LM3556

www.ti.com

SNVS796D – AUGUST 2011 – REVISED OCTOBER 2015

6.7 Typical Characteristics

VLED = 3.6 V

ILED = 1.5 A

VLED = 3.6 V

ILED = 1.5 A

Figure 2. Flash LED Current vs VIN

Figure 3. Flash LED Efficiency vs VIN

VLED = 3 V

ILED = 375 mA

VLED = 3.8 V

Figure 5. Torch LED Current vs VIN

Figure 4. Flash LED Efficiency vs Flash LED Current

VLED = 3 V

EN = 1.8 V

Figure 6. Torch LED Efficiency vs VIN

Figure 7. IQ Standby vs VIN

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Product Folder Links: LM3556

Nº de peça semelhante - LM3556TMX

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