TIDT382 February   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
    3. 1.3 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
      1. 2.1.1 LM25180-Q1 Efficiency Graph
      2. 2.1.2 SN6507-Q1 Efficiency Graph
      3. 2.1.3 UCC14130-Q1 Efficiency Graph
      4. 2.1.4 UCC25800-Q1 Efficiency Graph
      5. 2.1.5 Efficiency Comparison
    2. 2.2 Efficiency Data
      1. 2.2.1 LM25180-Q1 Efficiency Data
      2. 2.2.2 SN6507-Q1 Efficiency Data
      3. 2.2.3 UCC14130-Q1 Efficiency Data
      4. 2.2.4 UCC25800-Q1 Efficiency Data
    3. 2.3 Load Regulation
      1. 2.3.1 LM25180-Q1 Load Regulation
      2. 2.3.2 SN6507-Q1 Load Regulation
      3. 2.3.3 UCC14130-Q1 Load Regulation
      4. 2.3.4 UCC25800-Q1 Load Regulation
      5. 2.3.5 Load Regulation Comparison
    4. 2.4 Thermal Images
      1. 2.4.1 LM25180-Q1 Thermal Image
      2. 2.4.2 SN6507-Q1 Thermal Image
      3. 2.4.3 UCC14130-Q1 Thermal Image
      4. 2.4.4 UCC25800-Q1 Thermal Image
    5. 2.5 Common-Mode Current (CMI)
      1. 2.5.1 LM25180-Q1 CMI
      2. 2.5.2 SN6507-Q1 CMI
      3. 2.5.3 UCC14130-Q1 CMI
      4. 2.5.4 UCC25800-Q1 CMI
      5. 2.5.5 Common-Mode Current Comparison
  7. 3Waveforms
    1. 3.1 Switching
      1. 3.1.1 LM25180-Q1 Switching
      2. 3.1.2 SN6507-Q1 Switching
      3. 3.1.3 UCC25800-Q1 Switching
    2. 3.2 Output Voltage Ripple
      1. 3.2.1 LM25180-Q1 Output Voltage Ripple
      2. 3.2.2 SN6507-Q1 Output Voltage Ripple
      3. 3.2.3 UCC14130-Q1 Output Voltage Ripple
      4. 3.2.4 UCC25800-Q1 Output Voltage Ripple
      5. 3.2.5 Output Voltage Ripple Comparison
    3. 3.3 Input Voltage Ripple
      1. 3.3.1 LM25180-Q1 Input Voltage Ripple
      2. 3.3.2 SN6507-Q1 Input Voltage Ripple
      3. 3.3.3 UCC14130-Q1 Input Voltage Ripple
      4. 3.3.4 UCC25800-Q1 Input Voltage Ripple
      5. 3.3.5 Input Voltage Ripple Comparison
    4. 3.4 Load Transients
      1. 3.4.1 LM25180-Q1 Load Transients
      2. 3.4.2 SN6507-Q1 Load Transients
      3. 3.4.3 UCC14130-Q1 Load Transients
      4. 3.4.4 UCC25800-Q1 Load Transients
    5. 3.5 Start-Up Sequence
      1. 3.5.1 LM25180-Q1 Start-Up Sequence
      2. 3.5.2 SN6507 Q1 Start Up Sequence
      3. 3.5.3 UCC14130-Q1 Start-Up Sequence
      4. 3.5.4 UCC25800-Q1 Start-Up Sequence
    6. 3.6 Shutdown Sequence
      1. 3.6.1 LM25180-Q1 Shutdown Sequence
      2. 3.6.2 SN6507-Q1 Shutdown Sequence
      3. 3.6.3 UCC14130-Q1 Shutdown Sequence
      4. 3.6.4 UCC25800-Q1 Shutdown Sequence
    7. 3.7 Undervoltage Protection
      1. 3.7.1 LM25180-Q1 Undervoltage Protection
      2. 3.7.2 SN6507-Q1 Undervoltage Protection
      3. 3.7.3 UCC14130-Q1 Undervoltage Protection
      4. 3.7.4 UCC25800-Q1 Undervoltage Protection
  8. 4Summary
  9. 5References

2.2.4 UCC25800-Q1 Efficiency Data

Table 2-4 UCC25800-Q1 Efficiency Data
VIN (V) IIN (mA) PIN (W) VOUT (V) IOUT (mA) POUT (W) Losses (W) Efficiency (%)

15.49

18.4

0.285

16.31

10.0

0.163

0.122

57.19

15.46

29.2

0.451

16.00

20.0

0.320

0.131

70.96

15.44

39.8

0.614

15.81

30.0

0.474

0.139

77.28

15.41

50.7

0.781

15.69

40.1

0.629

0.152

80.59

15.39

61.5

0.946

15.58

50.1

0.781

0.166

82.48

15.37

72.3

1.111

15.47

60.2

0.931

0.180

83.83

15.34

83.0

1.274

15.36

70.2

1.078

0.196

84.65

15.32

93.9

1.439

15.24

80.5

1.227

0.212

85.25

15.30

104.3

1.595

15.13

90.2

1.365

0.231

85.55

15.28

115.0

1.757

15.01

100.3

1.506

0.251

85.70