PDF《36VIN, 5A CVCC Step-Down》

4 For more information www.linear.com/LTM8026 TYPICAL PERFORMANCE CHARACTERISTICS 2.5VOUT Efficiency vs Output Current 3.3VOUT Efficiency vs Output Current 5VOUT Efficiency vs Output Current 8VOUT Efficiency vs Output Current 12VOUT Efficiency vs Output Current 18VOUT Efficiency vs Output Current 1.2VOUT Efficiency vs Output Current 1.5VOUT Efficiency vs Output Current 1.8VOUT Efficiency vs Output Current TA = 25°C, unless otherwise noted. Configured per Table 1, where applicable. OUTPUT CURRENT (A)

0 EFFICIENCY (%)

65 70

75 3

5 8026 G01

60 55

50 1

2 4

80 85

90 6VIN 12VIN 24VIN 36VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3

5 8026 G02

60 55

50 1

0 2

4 80

85 90 6VIN 12VIN 24VIN 36VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3

5 8026 G03

60 55

50 1

0 2

4 80

85 90 6VIN 12VIN 24VIN 36VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3

5 8026 G04

60 55

50 1

0 2

4 80

85 95

90 6VIN 12VIN 24VIN 36VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3

5 8026 G05

60 55

50 1

0 2

4 80

85 95

90 6VIN 12VIN 24VIN 36VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3

5 8026 G06

60 55

50 1

0 2

4 80

85 95

90 12VIN 24VIN 36VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3

5 8026 G07

60 55

50 1

0 2

4 80

85 100

95 90 12VIN 24VIN 36VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3

5 8026 G08

60 1

0 2

4 80

85 95

90 24VIN 36VIN OUTPUT CURRENT (A) EFFICIENCY (%)

70 75

3 5

8026 G09

65 1

0 2

4 80

85 100

95 90 24VIN 36VIN

5 For more information www.linear.com/LTM8026 TYPICAL PERFORMANCE CHARACTERISTICS 24VOUT Efficiency vs Output Current C3.3VOUT Efficiency vs Output Current C5VOUT Efficiency vs Output Current C8VOUT Efficiency vs Output Current C12VOUT Efficiency vs Output Current Input Current vs Output Current 1.2VOUT Input Current vs Output Current 1.5VOUT Input Current vs Output Current 1.8VOUT Input Current vs Output Current 2.5VOUT TA = 25°C, unless otherwise noted. Configured per Table 1, where applicable. TA = 25°C, unless otherwise noted. OUTPUT CURRENT (A) EFFICIENCY (%)

75 3

5 4

8026 G10

70 1

0 2

80 85

100 95

90 28VIN 36VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3

5 8026 G11

60 55

50 1

0 2

4 80

85 90 12VIN 24VIN 33VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3

5 8026 G12

60 55

50 1

0 2

4 80

85 90 12VIN 24VIN 31VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3

5 8026 G13

60 55

50 1

0 2

4 80

85 90 12VIN 24VIN 28VIN OUTPUT CURRENT (A) EFFICIENCY (%)

65 70

75 3 3.5

8026 G14

60 1

0 2 1.5 0.5 2.5

80 85

90 12VIN 24VIN OUTPUT CURRENT (A)

0 INPUT CURRENT (A) 0.6 0.8 1.0

3 5

8026 G15 0.4 0.2

0 1

2 4 1.2 1.4 1.6 6VIN 12VIN 24VIN 36VIN OUTPUT CURRENT (A) INPUT CURRENT (A) 0.6 0.8 1.0

3 5

8026 G16 0.4 0.2

0 1

0 2

4 1.2 1.4 1.8 1.6 6VIN 12VIN 24VIN 36VIN OUTPUT CURRENT (A) INPUT CURRENT (A) 0.6 0.8 1.0

3 5

8026 G17 0.4 0.2

0 1

0 2

4 1.2 1.4 2.0 1.8 1.6 6VIN 12VIN 24VIN 36VIN OUTPUT CURRENT (A)

0 0 INPUT CURRENT (A) 0.5 1.0 1.5 2.0 2.5 3.0

1 2

3 4

8026 G18

5 6VIN 12VIN 24VIN 36VIN

6 For more information www.linear.com/LTM8026 TYPICAL PERFORMANCE CHARACTERISTICS Input Current vs Output Current 3.3VOUT Input Current vs Output Current 12VOUT Input Current vs Input Voltage (Output Shorted) Input Current vs Load Current C3.3VOUT Input Current vs Load Current C5VOUT Input Current vs Output Current 5VOUT Input Current vs Output Current 18VOUT Input Current vs Output Current 8VOUT Input Current vs Output Current 24VOUT OUTPUT CURRENT (A)