ISL6551EVAL1 Intersil, ISL6551EVAL1 Datasheet - Page 31
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 55. CURRENT TRANSFORMER (T4) CASE
FIGURE 54. LOWER FET (Q17) CASE TEMPERATURE
FIGURE 53. UPPER FET (Q14) CASE TEMPERATURE
60
55
50
45
40
60
55
50
45
40
95
90
85
80
75
70
65
60
55
50
45
40
35
35
35
TEMPERATURE
45
45
45
Input Voltage (V)
Input Voltage (V)
Input Voltage (V)
55
55
55
31
65
65
65
75
75
75
Application Note 1002
2.64V
3.3V
3.63V
2.64V
3.3V
3.63V
2.64V
3.3V
3.63V
FIGURE 57. SYNCHRONOUS FET (Q1) CASE TEMPERATURE
FIGURE 56. MAIN TRANSFORMER (T2) CASE TEMPERATURE
FIGURE 58. SYNCHRONOUS DRIVERS (M2) CASE
75
70
65
60
55
50
45
40
65
60
55
50
45
40
55
50
45
40
35
35
35
TEMPERATURE
45
45
45
Input Voltage (V)
Input Voltage (V)
Input Voltage (V)
55
55
55
65
65
65
75
75
75
2.64V
3.3V
3.63V
2.64V
3.3V
3.63V
2.64V
3.3V
3.63V
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