0

1

2

3

4

5

6

7

8

0.94

0.96

0.98

1

1.02

1.04

1.06

1.08

−1.08

−0.72

−0.36

0

0.36

0.72

1.08

1.44

Output Voltage (V)

G001

0

400

800

1200

1600

2000

2400

0.92

0.96

1

1.04

1.08

1.12

1.16

1.2

−1.6

−0.8

0

0.8

1.6

2.39

3.19

3.99

Output Inductance (nH)

G001

0

200

400

600

800

1000

1200

1400

1600

0.97

1

1.03

1.06

1.09

1.12

1.15

−0.6

0.0

0.6

1.2

1.8

2.4

3.0

Switching Frequency (kHz)

G001

0

4

8

12

16

20

24

28

0.85

0.9

0.95

1

1.05

1.1

1.15

1.2

−3.0

−2.0

−1.0

0.0

1.0

2.0

3.0

4.0

Input Voltage (V)

G001

CSD87333Q3D

www.ti.com

SLPS350 – FEBRUARY 2014

Typical Power Block Device Characteristics (continued)

The Typical Power Block System Characteristic curves (Figure 1 through Figure 9) are based on measurements made on a

PCB design with dimensions of 4.0-inch (W) × 3.5-inch (L) × 0.062-inch (H) and 6 copper layers of 1 oz. copper thickness.

Figure 6. Normalized Power Loss vs Switching Frequency

Figure 7. Normalized Power Loss vs Input Voltage

Figure 8. Normalized Power Loss vs Output Voltage

Figure 9. Normalized Power Loss vs Output Inductance

Copyright © 2014, Texas Instruments Incorporated

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