EVAL5987 STMicroelectronics, EVAL5987 Datasheet - Page 34

• Manufacturer Part Number: EVAL5987
• Description: BOARD EVALUATION FOR L5987
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of EVAL5987

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 3A
• Voltage - Input: 2.9 ~ 18V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: L5987
• Input Voltage: 2.9 to 18 V
• Output Voltage: 1.8 V
• Operating Supply Voltage: 2.9 to 18 V
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: L5987
• Other names: 497-8369

Application information
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Figure 23. Junction temperature vs
Figure 25. Junction temperature vs
Figure 27. Efficiency vs output current
95
95
90
90
85
85
80
80
75
75
70
70
0.3
0.3
V
V
0.8
0.8
IN
IN
output current V
output current V
V
=5V
=5V
IN
= 5 V
1.3
1.3
Io [A]
Io [A]
1.8
1.8
V
V
V
V
Doc ID 14972 Rev 3
IN
IN
O
O
O
O
=2.5V
=2.5V
=1.8V
=1.8V
2.3
2.3
= 12 V
= 3.3 V
F
F
V
V
SW
SW
O
O
=3.3V
=3.3V
=250kHz
=250kHz
2.8
2.8
Figure 24. Junction temperature vs
Figure 26. Efficiency vs output current
Figure 28. Efficiency vs output current
92
92
90
90
88
88
86
86
84
84
82
82
80
80
78
78
76
76
0.3
0.3
95
90
85
80
75
70
65
0.3
V
V
V
IN
IN
IN
0.8
0.8
=3.3V
0.8
=12V
=12V
output current V
V
V
IN
IN
= 12 V
= 3.3 V
1.3
1.3
1.3
Io [A]
Io [A]
Io [A]
1.8
1.8
1.8
IN
V
V
V
O
O
O
2.3
V
V
V
V
V
V
2.3
2.3
=2.5V
=1.8V
=1.2V
= 5 V
O
O
O
O
O
O
=5V
=5V
=3.3V
=3.3V
=2.5V
=2.5V
F
F
SW
SW
=250kHz
=250kHz
L5987
2.8
2.8
2.8