LM3556 datasheet(8/39 Pages) TI1

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2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2

1.95

2.00

2.05

2.10

2.15

2.20

2.25

2.30

VIN (V)

25°C

- 40°C

85°C

2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4

2.4

2.5

2.6

2.7

2.8

2.9

3.0

3.1

VIN (V)

25°C

- 40°C

85°C

2.7

3.0

3.3

3.6

3.9

4.2

4.5

3.980

3.997

4.015

4.031

4.048

4.066

4.082

4.099

4.116

4.133

4.150

VIN (V)

25°C

85°C

- 40°C

2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2

1.64

1.68

1.72

1.76

1.80

1.84

1.88

1.92

VIN (V)

25°C

- 40°C

85°C

VIN (V)

1.000

0.1

0.01

0.001

2.7

3.1

3.5

3.9

4.3

4.7

5.1

85°C

25°C

-40°C

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

5.10

5.12

5.14

5.16

5.18

5.20

5.22

5.24

VIN (V)

25°C

85°C

- 40°C

LM3556

SNVS796D – AUGUST 2011 – REVISED OCTOBER 2015

www.ti.com

Typical Characteristics (continued)

EN = 0 V

Figure 9. Variation of OVP With VIN

Figure 8. IQ Shutdown vs VIN

Current Limit = 1.7 A

Figure 10. Frequency With VIN and Over Temperature

Figure 11. Input Current Limit Over Temperature and VIN

Current Limit = 1.9 A

Current Limit = 2.5 A

Figure 12. Input Current Limit Over Temperature and VIN

Figure 13. Input Current Limit Over Temperature and VIN

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