LC010 datasheet(18/24 Pages) MACOM

18 / 24 page

Tyco Electronics Corp.

Data Sheet

August 1998

18 Vdc to 36 Vdc or 36 Vdc to 75 Vdc Inputs, 10 W and 15 W

LC/LW010- and LC/LW015-Series Power Modules:

Thermal Considerations (continued)

8-1377(C).a

Figure 44. LC015 Forced Convection Power

Derating; Either Orientation

8-1376(C).a

Figure 45. LW015 Forced Convection Power

Derating; Either Orientation

8-1382(C)

Note: The power dissipation of this unit is shown at TC = TC, max

because the efficiency of this power module drops at high

temperatures.

Figure 46. LC015A Power Dissipation at Maximum

Case Temperature

8-1808(C)

Figure 47. LC015B, C Typical Power Dissipation vs.

Normalized Output Current at TC = 25 °C

90 100 110 120

3.5

1.5

0.5

4.5

2.5

MAX AMBIENT TEMPERATURE, TA (˚C)

NATURAL CONVECTION

3.0 ms-1 (600 ft./min.)

1.0 ms-1 (200 ft./min.)

2.0 ms-1 (400 ft./min.)

MAXIMUM CASE TEMPERATURE

100

3.5

1.5

0.5

4.5

2.5

MAX AMBIENT TEMPERATURE, TA (˚C)

110

MAXIMUM CASE TEMPERATURE

2.0 ms-1 (400 ft./min.)

3.0 ms-1 (600 ft./min.)

1.0 ms-1 (200 ft./min.)

NATURAL CONVECTION

3.5

2.5

2.0

1.5

0.0

0.5

1.0

1.5

2.0

2.5

0.0

4.0

OUTPUT CURRENT, IO (A)

0.5

3.0

1.0

VI = 20 V

VI = 27 V

VI = 36 V

VI = 18 V

4.5

0.16

0.32

0.48

0.64

0.80

NORMALIZED OUTPUT CURRENT (IO/IO, max)

0.00

0.96

VI = 36 V

VI = 27 V

VI = 18 V

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