TPS543B20RVFR datasheet(10/33 Pages) TI1

Part #	TPS543B20RVFR

Description	4 Vin to 19 Vin, 25-A Stackable, Synchronous Step-down SWIFT Converter with Adaptive Internal Compensation

Download	33 Pages

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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10 / 33 page

Output Current (A)

0

2.5

5

7.5

10

12.5

15

17.5

20

22.5

25

300

350

400

450

500

550

600

650

700

D006

5 Vin, 0.6 Vout

5 Vin, 1.0 Vout

5 Vin, 1.5 Vout

5 Vin, 2.5 Vout

5 Vin, 3.3 Vout

18 Vin, 0.6 Vout

12 Vin, 0.6 Vout

12 Vin, 1.0 Vout

12 Vin, 1.5 Vout

12 Vin, 2.5 Vout

12 Vin, 3.3 Vout

12 Vin, 5.0 Vout

Output Current (A)

0

5

10

15

20

25

0

1

2

3

4

5

6

7

8

D001

D050

D001

5 Vin, 0.6 Vout

5 Vin, 1.0 Vout

5 Vin, 1.5 Vout

5 Vin, 2.5 Vout

5 Vin, 3.3 Vout

18 Vin, 6.0 Vout

12 Vin, 0.6 Vout

12 Vin, 1.0 Vout

12 Vin, 1.5 Vout

12 Vin, 2.5 Vout

12 Vin, 3.3 Vout

12 Vin, 5.0 Vout

Output Current (A)

0

5

10

15

20

25

0

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

D003

0.6 Vout

1.0 Vout

1.5 Vout

2.5 Vout

3.3 Vout

5 Vout

Output Current (A)

0

5

10

15

20

25

0

1

2

3

4

5

6

D005

0.6 Vout

1.0 Vout

1.5 Vout

2.5 Vout

3.3 Vout

5 Vout

Output Current (A)

0

5

10

15

20

25

0

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

D002

0.6 Vout

1.0 Vout

1.5 Vout

2.5 Vout

3.3 Vout

Output Current (A)

0

5

10

15

20

25

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

D004

0.6 Vout

1.0 Vout

1.5 Vout

2.5 Vout

3.3 Vout

10

TPS543B20

SLUSCR1 – MAY 2017

www.ti.com

Product Folder Links: TPS543B20

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7.6 Typical Characteristics

VIN = 5 V

500 kHz

25°C

Figure 1. Efficiency vs Output Current

VIN = 5 V

500 kHz

25°C

Figure 2. Power Loss vs Output Current

VIN = 12 V

500 kHz

25°C

Figure 3. Efficiency vs Output Current

VIN = 12 V

500 kHz

25°C

Figure 4. Power Loss vs Output Current

500 MHz

25°C

Figure 5. Output Current vs Output Voltage

25°C

Figure 6. Switching Frequency vs Output Current

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