NCP3170

http://onsemi.com

9

NCP3170B Efficiency and Thermal Derating

Figure 24. 12 V, 1 MHz Efficiency

Figure 25. 5 V, 1 MHz Efficiency

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12 V, 1 MHz

Efficiency

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OUTPUT CURRENT (A)

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OUTPUT CURRENT (A)

5 V, 1 MHz

Efficiency

Thermal derating curves for the SOIC−8 package part under typical input and output conditions based on the evaluation board.

The ambient temperature is 25

°C with natural convection (air speed < 50 LFM) unless otherwise specified.

Figure 26. 1 MHz Derating Curves at 5 V Input

Figure 27. 1 MHz Derating Curves at 12 V Input

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1.2 V,

1.8 V

3.3 V

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85

1.2 V,

1.8 V

3.3 V

5.0 V