LM43603PWPT datasheet(10/50 Pages) TI1

部品番号	LM43603PWPT

部品情報	LM43603 SIMPLE SWITCHER짰 3.5 V to 36 V 3 A Synchronous Step-Down Voltage Converter

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4.00

4.20

4.40

4.60

4.80

5.00

5.20

5.40

5.00

5.20

5.40

5.60

5.80

6.00

6.20

6.40

VIN (V)

0.01A

0.1A

0.5A

1A

1.5A

2A

2.5A

C007

10.8

11.0

11.2

11.4

11.6

11.8

12.0

12.2

12.0

12.5

13.0

13.5

14.0

14.5

VIN (V)

0.1A

0.5A

1A

1.5A

2A

2.5A

3A

C007

4.0

4.2

4.4

4.6

4.8

5.0

5.2

5.4

5.00 5.20 5.40 5.60 5.80 6.00 6.20 6.40 6.60 6.80 7.00

VIN (V)

0.1A

0.5A

1A

1.5A

2A

2.5A

C007

4.00

4.20

4.40

4.60

4.80

5.00

5.20

5.40

5.00 5.20 5.40 5.60 5.80 6.00 6.20 6.40 6.60 6.80 7.00

VIN (V)

0.1A

0.5A

1A

1.5A

2A

2.5A

C007

2.9

3.0

3.1

3.2

3.3

3.4

3.5

3.7

3.9

4.1

4.3

4.5

VIN (V)

0.1A

0.5A

1A

1.5A

2A

2.5A

C007

4.0

4.2

4.4

4.6

4.8

5.0

5.2

5.4

5.00

5.20

5.40

5.60

5.80

6.00

6.20

6.40

VIN (V)

0.1A

0.5A

1A

1.5A

2A

2.5A

C007

LM43603

SNVSA09B – APRIL 2014 – REVISED SEPTEMBER 2014

www.ti.com

Typical Characteristics (continued)

Unless otherwise specified, VIN = 12 V, VOUT = 3.3 V, FS = 500 kHz, L = 6.8 µH, COUT = 120 µF, CFF = 100 pF. Please refer to

Application Performance Curves for Bill of materials for other VOUT and FS combinations.

VOUT = 3.3V

FS = 500 kHz

VOUT = 5V

FS = 200 kHz

Figure 13. Dropout Curve

Figure 14. Dropout Curve

VOUT = 5V

FS = 500 kHz

VOUT = 5V

FS = 1 MHz

Figure 15. Dropout Curve

Figure 16. Dropout Curve

VOUT = 5V

FS = 2.2 MHz

VOUT = 12V

FS = 500 kHz

Figure 17. Dropout Curve

Figure 18. Dropout Curve

10

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