E36SC12009_12062012

10

THERMAL CURVES

(WITH HEAT SPREADER)

HOT SPOT 2

AIRFLOW

Figure 22: * Hot spot 2 temperature measured point. The allowed

maximum hot spot 2 temperature is defined at 105

℃

E36SC12009(Standard) Out put Current vs. Ambient Temperature andAi rVelocity

@Vin = 24V (Transverse Orientat ion,Wit hHeatspreader)

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

25

30

35

40

45

50

55

60

65

70

75

80

85

Ambien t Tem peratu re (℃)

Out put Curr ent (A)

Natural

Convection

100 LF M

2 00L F M

300 LF M

400 LF M

50 0L F M

Figure 23: Output current vs. ambient temperature and air

velocity @Vin=24V(Transverse Orientation, Airflow from Vin+

to Vin-,with heat spreader)

E36SC12009(Standard) Output Current vs. Ambient Temperature and AirVelocity

@Vin = 48V (Transverse Orientation,Wit hHeatspreader)

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

25

30

35

40

45

50

55

60

65

70

75

80

85

Ambient T empe rature (℃)

Outpu t Cu rren t (A)

Natural

Convection

100LF M

20 0L FM

30 0LF M

400 LF M

50 0L FM

Figure 24: Output current vs. ambient temperature and air

velocity @Vin=48V(Transverse Orientation, airflow from Vin+

to Vin-,with heat spreader)

THERMAL CURVES

(WITHOUT HEAT SPREADER)

AIRFLOW

NTC RESISTOR

HOT SPOT 1

Figure 19: * Hot spot 1& NTC resistor temperature measured

points. The allowed maximum hot spot 1 temperature is defined

at 115

℃

E36SC12009(St andard) Output Current vs. Ambient Temperature and Air Velocity

@Vin = 24V (TransverseOrient ati on)

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

25

30

35

40

45

50

55

60

65

70

75

80

85

Ambient Temp eratur e (℃)

Outpu t Curren t (A)

Natural

Convection

10 0L F M

20 0L FM

300 LF M

400 LF M

50 0L FM

600LF M

Figure 20: Output current vs. ambient temperature and air

velocity @Vin=24V(Transverse Orientation, airflow from Vin+

to Vin-,without heat spreader)

E36SC12009(St andard) Output Current vs. Ambient Temperature and Air Velocity

@Vin = 48V (TransverseOrient ati on)

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

25

30

35

40

45

50

55

60

65

70

75

80

85

Ambient Temp eratur e (℃)

Outpu t Curren t (A)

Natural

Conv ect ion

100LF M

20 0L F M

30 0L FM

400 LF M

50 0L F M

60 0L F M

Figure 21: Output current vs. ambient temperature and air

velocity @Vin=48V(Transverse Orientation, airflow from Vin+