E-L5972D STMicroelectronics, E-L5972D Datasheet - Page 9

• Manufacturer Part Number: E-L5972D
• Description: IC BUCK ADJ 2A 8SOIC
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of E-L5972D

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.24 ~ 35 V
• Current - Output: 2A
• Frequency - Switching: 250kHz
• Voltage - Input: 4.4 ~ 36 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 1.2W
• Output Voltage: 35 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L5972D
Figure 13. Junction temperature vs
Figure 15. Junction temperature vs
TJ(°C)
100.0
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
TJ(°C)
0.2
0.2
Tamb= 25°C
Vin=12V
0.4
0.4
Vin=5V
Tamb.=25 °C
output current
output current
0.6
0.6
0.8
0.8
1
1
Io(A)
Io(A)
1.2
1.2
1.4
1.4
Vo=5V
Vo=2.5V
Vo=2.5V
1.6
1.6
Vo=1.8V
Vo=3.3V
1.8
1.8
Vo=3.3V
2
2
Figure 14. Efficiency vs output current
Figure 16. Efficiency vs output current
95
93
91
89
87
85
83
81
79
77
75
73
71
69
67
96
94
92
90
88
86
84
82
80
78
76
74
72
70
0.1
0.1
Vin=5V
0.3
0.3
Vin=12V
Vin=12V
Vo=1.8V
Vo=1.8V
0.5
0.5
Vo=3.3V
Vo=3.3V
Vo=2.5V
Vo=2.5V
Vo=2.5V
Vo=2.5V
0.7
0.7
Vo=5V
Vo=5V
Vo=3.3V
Vo=3.3V
0.9
0.9
Io (A)
Io (A)
Application circuit
1.1
1.1
1.3
1.3
1.5
1.5
1.7
1.7
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