ISL6551EVAL1 Intersil, ISL6551EVAL1 Datasheet - Page 30
ISL6551EVAL1
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
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