ISL6551EVAL1 Intersil, ISL6551EVAL1 Datasheet - Page 30

• Manufacturer Part Number: ISL6551EVAL1
• Description: EVALUATION BOARD ISL6551
• Manufacturer: Intersil

Specifications of ISL6551EVAL1

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Isolated
• Voltage - Output: 3.3V
• Current - Output: 60A
• Voltage - Input: 36 ~ 75V
• Regulator Topology: Buck
• Frequency - Switching: 470kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6551
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

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FIGURE 49. MAIN TRANSFORMER (T2) CASE TEMPERATURE
FIGURE 48. CURRENT TRANSFORMER (T4) CASE
FIGURE 47. LOWER FET (Q17) CASE TEMPERATURE
85
80
75
70
65
60
55
50
45
40
35
30
25
20
60
55
50
45
40
35
30
25
20
70
65
60
55
50
45
40
35
30
25
20
20
20
20
25
TEMPERATURE
25
25
30
30
30
Output Load (A)
Output Load (A)
Output Load (A)
35
35
35
40
40
40
30
45
45
45
50
50
50
55
55
55
60
60
60
Application Note 1002
36V
48V
75V
36V
48V
75V
36V
48V
75V
FIGURE 50. SYNCHRONOUS FET (Q1) CASE TEMPERATURE
FIGURE 52. OUTPUT INDUCTOR (L2) CASE TEMPERATURE
FIGURE 51. SYNCHRONOUS DRIVER (M2) CASE
65
60
55
50
45
40
35
30
25
20
55
50
45
40
35
30
25
20
55
50
45
40
35
30
25
20
20
20
20
TEMPERATURE
25
25
25
30
30
30
Output Load (A)
Output Load (A)
Output Load (A)
35
35
35
40
40
40
45
45
45
50
50
50
55
55
55
60
60
60
36V
48V
75V
36V
48V
75V
36V
48V
75V