DS_E36SC05025_08162013

E-mail: DCDC@delta.com.tw

http://www.deltaww.com/dcdc

P10

THERMAL CURVES

(WITHOUT HEAT SPREADER)

AIRFLOW

NTC RESISTOR

HOT SPOT 1

Figure 18: * Hot spot 1& NTC resistor temperature measured

points. The allowed maximum hot spot temperature is defined at

116

0

3

6

9

12

15

18

21

24

25

30

35

40

45

50

55

60

65

70

75

80

85

Output Current (A)

Ambient Temperature (℃)

E36SC05025(Standard) Output Current vs. Ambient Temperature and Air Velocity

@Vin = 24V (Transverse Orientation)

Natural

Convection

100LFM

200LFM

300LFM

400LFM

500LFM

600LFM

Figure 19: Output current vs. ambient temperature and air

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

Vin-,without heat spreader)

0

3

6

9

12

15

18

21

24

25

30

35

40

45

50

55

60

65

70

75

80

85

Output Current (A)

Ambient Temperature (℃)

E36SC05025(Standard) Output Current vs. Ambient Temperature and Air Velocity

@Vin = 48V (Transverse Orientation)

Natural

Convection

100LFM

200LFM

300LFM

400LFM

500LFM

600LFM

Figure 20: Output current vs. ambient temperature and air

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

Vin-,without heat spreader)

THERMAL CURVES

(WITH HEAT SPREADER)

HOT SPOT 2

AIRFLOW

Figure 21: * Hot spot 2 temperature measured point. The allowed

maximum hot spot temperature is defined at 105

0

3

6

9

12

15

18

21

24

25

30

35

40

45

50

55

60

65

70

75

80

85

Output Current (A)

Ambient Temperature (℃)

E36SC05025(Standard) Output Current vs. Ambient Temperature and Air Velocity

@Vin = 24V (Transverse Orientation,With Heat Spreader)

Natural

Convection

100LFM

200LFM

300LFM

400LFM

500LFM

600LFM

Figure 22: Output current vs. ambient temperature and air velocity

@Vin=24V(Either Orientation, airflow from Vin+ to Vin-,with heat

spreader)

0

3

6

9

12

15

18

21

24

25

30

35

40

45

50

55

60

65

70

75

80

85

Output Current (A)

Ambient Temperature (℃)

E36SC05025(Standard) Output Current vs. Ambient Temperature and Air Velocity

@Vin = 48V (Transverse Orientation,With Heat Spreader)

Natural

Convection

100LFM

200LFM

300LFM

400LFM

500LFM

600LFM

Figure 23: Output current vs. ambient temperature and air velocity

@Vin=48V(Either Orientation, airflow from Vin+ to Vin-,with heat

spreader)