ISL6551EVAL1 Intersil, ISL6551EVAL1 Datasheet - Page 31

• 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: -

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