EVALA5972D STMicroelectronics, EVALA5972D Datasheet - Page 23

• Manufacturer Part Number: EVALA5972D
• Description: Power Management Modules & Development Tools EVAL BOARD A5972 Auto Grade
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of EVALA5972D

• Input Voltage: 4.4 V to 36 V
• Output Voltage: 1.235 V to 35 V
• Board Size: 23 mm x 20 mm
• Product: Power Management Modules
• Supply Current: 2 A
• Dimensions: 23 mm x 20 mm
• For Use With/related Products: AN1517
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AN1517
Figure 20. Junction temperature vs. output
Figure 22. Junction temperature vs. output
TJ(°C)
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
95
93
91
89
87
85
83
81
79
77
75
73
71
69
67
0.2
0.1
Vin=5V
Figure 19. PCB layout (front side)
Below are some graphs showing the T
voltage conditions.
0.4
0.3
current
current
Vin=5V
Tamb.=25 °C
Vo=1.8V
Vo=1.8V
0.6
0.5
Vo=2.5V
Vo=2.5V
0.8
0.7
Vo=3.3V
Vo=3.3V
1
0.9
Io (A)
Io(A)
1.2
1.1
1.4
1.3
Vo=2.5V
1.6
1.5
Vo=1.8V
1.8
Vo=3.3V
1.7
2
j
versus output current in different input and output
Figure 21. Junction temperature vs. output
Figure 23. Efficiency vs. output current
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
TJ(°C)
96
94
92
90
88
86
84
82
80
78
76
74
72
70
0.1
0.2
Tamb= 25°C
Vin=12V
AM00134v1
0.3
0.4
Vin=12V
Vin=12V
current
0.6
0.5
Vo=3.3V
Vo=3.3V
Vo=2.5V
Vo=2.5V
0.8
0.7
Vo=5V
Vo=5V
1
0.9
Io (A)
Io(A)
Application information
1.2
1.1
1.4
Vo=5V
1.3
Vo=2.5V
1.6
1.5
Vo=3.3V
1.8
1.7
2
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