EVAL5985 STMicroelectronics, EVAL5985 Datasheet - Page 31

• Manufacturer Part Number: EVAL5985
• Description: BOARD EVAL FOR L5985
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of EVAL5985

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 2A
• Voltage - Input: 3.3 ~ 18V
• Regulator Topology: Buck
• Frequency - Switching: 500kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L5985
• Input Voltage: 2.9 V to 18 V
• Output Voltage: 0.6 V to 16 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: L5985
• Kit Application Type: Power Management - Voltage Regulator
• Application Sub Type: Step Down Switching Regulator
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: L5985
• Other names: 497-6387; EVAL5985

L5985
Figure 22. Junction temperature vs output
Figure 24. Junction temperature vs output
Figure 26. Efficiency vs output current
94
92
90
88
86
84
82
80
78
76
0
current
current
0.5
VCC=5V,
F
SW
=250kHz
1
Io [A]
1.5
Vo=3.3V
Vo=2.5V
Vo=1.8V
Doc ID 13006 Rev 5
2
Figure 23. Junction temperature vs output
Figure 25. Efficiency vs output current
Figure 27. Efficiency vs output current
95
90
85
80
75
70
95
90
85
80
75
70
0.0
0
current
0.5
0.5
VCC=12V
F
VCC=3.3V,
F
SW
SW
=250KHz
=250kHz
1.0
1
Io [A]
Io [A]
Application information
1.5
1.5
Vo=2.5V
Vo=1.8V
Vo=1.2V
Vo=3.3V
Vo=5.0V
Vo=2.5V
2.0
2
31/37