Delta Electronics Series H48SR manual Electrical Characteristics Curves

Page 3

ELECTRICAL CHARACTERISTICS CURVES

 

95

 

36Vin

48Vin

75Vin

 

(%)

 

 

 

 

 

 

 

 

 

EFFICIENCY

90

 

 

 

 

 

85

 

 

 

 

 

 

80

 

 

 

 

 

 

75

 

 

 

 

 

 

70

 

 

 

 

 

 

65

 

 

 

 

 

 

60

 

 

 

 

 

 

10

20

30

40

50

60

OUTPUT CURRENT (A)

Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25°C. (Vout=1.8V)

(%)

90

 

 

 

 

 

 

 

 

 

 

 

EFFICIENCY

85

 

 

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

75

 

 

 

 

 

 

70

 

 

 

 

 

 

65

36Vin

 

48Vin

75Vin

 

 

 

 

 

 

60

 

 

 

 

 

 

10

20

30

40

50

60

OUTPUT CURRENT (A)

 

24.0

 

 

 

 

 

(W)

 

 

36Vin

48Vin

75Vin

 

 

 

 

 

 

 

DISSIPATION

20.0

 

 

 

 

 

16.0

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

 

12.0

 

 

 

 

 

 

8.0

 

 

 

 

 

 

4.0

 

 

 

 

 

 

0.0

 

 

 

 

 

 

10

20

30

40

50

60

OUTPUT CURRENT(A)

Figure 2: Power dissipation vs. load current for minimum, nominal, and maximum input voltage at 25°C. (Vout=1,8V)

 

24.0

 

 

 

 

 

(W)

 

 

36Vin

48Vin

75Vin

 

DISSIPATION

20.0

 

 

 

 

 

16.0

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

 

12.0

 

 

 

 

 

 

8.0

 

 

 

 

 

 

4.0

 

 

 

 

 

 

0.0

 

 

 

 

 

 

10

20

30

40

50

60

OUTPUT CURRENT (A)

Figure 3: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25°C. (Vout=0.8V)

Figure 4: Power dissipation vs. load current for minimum, nominal, and maximum input voltage at 25°C. (Vout=0.8V)

3

DS_H48SR1R860_06272006

Image 3
Contents Features Parameter Technical SpecificationsElectrical Characteristics Curves Typical input characteristics at room temperature Electrical Characteristics Curves Output voltage noise and ripple measurement test setup Hot spot location unit in mm Thermal CurvesInput Source Impedance Design ConsiderationsFeatures Descriptions Output Voltage Adjustment Trim Features Descriptions CONThermal Testing Setup Thermal ConsiderationsThermal Derating Pin No Name Function Mechanical DrawingModel List Part Numbering System