TPS54561-Q1_15 datasheet(7/51 Pages) TI

Part #	TPS54561-Q1

Description	TPS54561-Q1 4.5-V to 60-V Input, 5-A, Step-Down DC-DC Converter With Eco-mode?

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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Junction Temperature (GC)

-50

-25

0

25

50

75

100

125

150

450

460

470

480

490

500

510

520

530

540

550

D025

Resistance at RT/CLK (k:)

200

300

400

500

600

700

800

900

1000

100

150

200

250

300

350

400

450

500

D024

Junction Temperature (GC)

-50

-25

0

25

50

75

100

125

150

6

6.5

7

7.5

8

8.5

9

D027

Input Voltage (V)

0

10

20

30

40

50

60

4.5

4.7

4.9

5.1

5.3

5.5

5.7

5.9

6.1

6.3

6.5

D026

-40G

25G

150G

Junction Temperature (qC)

-50

-25

0

25

50

75

100

125

150

0

0.05

0.1

0.15

0.2

0.25

D004

BOOT-SW = 3 V

BOOT-SW = 6 V

Junction Temperature (GC)

-50

-25

0

25

50

75

100

125

150

0.784

0.789

0.794

0.799

0.804

0.809

0.814

D028

TPS54561-Q1

www.ti.com

SLVSC60 – SEPTEMBER 2014

6.8 Typical Characteristics

VDD = 12 V

Figure 1. On-Resistance vs Junction Temperature

Figure 2. Voltage Reference vs Junction Temperature

VDD = 12 V

Figure 4. Switch-Current Limit vs Input Voltage

Figure 3. Switch-Current Limit vs Junction Temperature

R(RT) = 200 kΩ

VDD = 12 V

Figure 5. Switching Frequency vs Junction Temperature

Figure 6. Switching Frequency vs RT/CLK Resistance,

Low-Frequency Range

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