LM2931ACT datasheet(9/16 Pages) ONSEMI

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LM2931 Series

MOTOROLA ANALOG IC DEVICE DATA

100

0.4

0.8

1.2

1.6

2.0

2.4

010

5.0

L, LENGTH OF COPPER (mm)

PD(max) for TA = 50°C

Minimum

Size Pad

Free Air

Mounted

Vertically

1.0

1.5

2.0

2.5

3.0

3.5

010

5.0

L, LENGTH OF COPPER (mm)

PD(max) for TA = 50°C

Minimum

Size Pad

2.0 oz. Copper

Free Air

Mounted

Vertically

110

130

150

0.4

0.8

1.2

1.6

2.0

2.4

2.8

020

L, LENGTH OF COPPER (mm)

170

3.2

θJA

2.0 oz.

Copper

Graph represents symmetrical layout

3.0 mm

θJA

2.0 oz. Copper

Figure 23. SOP–8 Thermal Resistance and Maximum

Power Dissipation versus P.C.B. Copper Length

Figure 24. DPAK Thermal Resistance and Maximum

Power Dissipation versus P.C.B. Copper Length

Figure 25. 3–Pin and 5–Pin D2PAK

Thermal Resistance and Maximum Power

Dissipation versus P.C.B. Copper Length

PD(max) for TA = 50°C

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