Delta Electronics Series DNS manual Electrical Characteristics Curves

Page 3

ELECTRICAL CHARACTERISTICS CURVES

EFFICIENCY(%)

98

97

96

95

94

93

92

91

90

4.5V

5V

5.5V

EFFICIENCY(%)

98

 

96

 

94

 

92

 

90

 

88

3V

 

86

5V

 

 

5.5V

84

 

1

2

3

4

5

6

1

2

3

4

5

6

LOAD (A)

LOAD (A)

Figure 1: Converter efficiency vs. output current (3.3V out)

 

98

 

 

 

 

 

 

96

 

 

 

 

 

EFFICIENCY(%)

94

 

 

 

 

 

92

 

 

 

 

 

 

 

 

 

 

 

 

90

 

 

 

 

 

 

88

 

 

 

 

2.8V

 

86

 

 

 

 

5V

 

 

 

 

 

5.5V

 

 

 

 

 

 

 

84

 

 

 

 

 

 

1

2

3

4

5

6

 

 

 

 

LOAD (A)

 

 

Figure 3: Converter efficiency vs. output current (1.8V out)

 

94

 

 

 

 

 

 

92

 

 

 

 

 

EFFICIENCY(%)

90

 

 

 

 

 

88

 

 

 

 

 

 

86

 

 

 

 

 

 

84

 

 

 

 

2.8V

 

 

 

 

 

 

 

82

 

 

 

 

5V

 

 

 

 

 

 

 

 

 

 

 

 

5.5V

 

80

 

 

 

 

 

 

1

2

3

4

5

6

 

 

 

 

LOAD (A)

 

 

Figure 2: Converter efficiency vs. output current (2.5V out)

 

96

 

94

EFFICIENCY(%)

92

90

 

 

88

86

 

 

 

 

 

 

 

2.8V

 

 

 

 

 

 

 

84

 

 

 

 

 

 

 

5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

82

 

 

 

 

 

 

 

5.5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

 

 

 

 

LOAD (A)

 

 

 

 

 

 

Figure 4: Converter efficiency vs. output current (1.5V out)

 

92

 

 

 

 

 

 

90

 

 

 

 

 

 

88

 

 

 

 

 

EFFICIENCY(%)

86

 

 

 

 

 

80

 

 

 

 

 

 

84

 

 

 

 

 

 

82

 

 

 

 

 

 

78

 

 

 

 

2.8V

 

 

 

 

 

5V

 

 

 

 

 

 

 

76

 

 

 

 

5.5V

 

 

 

 

 

 

 

74

 

 

 

 

 

 

1

2

3

4

5

6

 

 

 

 

LOAD (A)

 

 

Figure 5: Converter efficiency vs. output current (1.2V out)

Figure 6: Converter efficiency vs. output current (0.75V out)

DS_DNS04SIP06A_07172008

3

Image 3
Contents Delphi DNS, Non-Isolated Point of Load Parameter DNS04S0A0R06PFD Technical SpecificationsConverter efficiency vs. output current 3.3V out Electrical Characteristics CurvesOutput ripple & noise at 3.3Vin, 2.5V/6A out Electrical Characteristics Curves CONTurn on delay time at 5Vin, 3.3V/6A out Electrical Characteristics Curves Output short circuit current 5Vin, 0.75Vout Test Configurations Design ConsiderationsInput Source Impedance Remote On/Off Features DescriptionsSafety Considerations Design Considerations CONOutput Voltage Programming Features Descriptions CONOver-Temperature Protection Remote SenseFeature Descriptions CON Voltage MarginingVoltage Tracking Ratio-Metric Sequential Start-upThermal Testing Setup Thermal Curves Thermal ConsiderationsThermal Derating Ambient temperature and air velocity@Vin=3.3V, Vo=2.5V Mechanical Drawing Model List Part Numbering System