E-L5973D STMicroelectronics, E-L5973D Datasheet - Page 8
E-L5973D
Manufacturer Part Number
E-L5973D
Description
IC REG SW 2.5A STEP DOWN 8-SOIC
Manufacturer
STMicroelectronics
Type
Step-Down (Buck)r
Datasheet
1.L5973D013TR.pdf
(17 pages)
Specifications of E-L5973D
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.24 ~ 35 V
Current - Output
2.5A
Frequency - Switching
250kHz
Voltage - Input
4 ~ 36 V
Operating Temperature
-40°C ~ 150°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width) Exposed Pad, 8-eSOIC. 8-HSOIC
Power - Output
2.25W
Output Voltage
35 V
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Typical characteristics
8/17
Figure 8.
Figure 10. Efficiency vs output current
Tj(°C)
120
110
100
90
80
70
60
50
40
30
20
95
93
91
89
87
85
83
81
79
77
75
73
71
69
67
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3
Vin=5V
Tamb=25°C
Vin=5V
Vo=1.8V
Junction temperature vs
output current
Vo=2.5V
Vo=3.3V
Io(A)
Io (A)
Vo=3.3V
Vo=1.8V
Vo=2.5V
Figure 9.
Figure 11. Efficiency vs output current
Tj (°C)
120
110
100
90
80
70
60
50
40
30
20
91
89
87
85
83
81
79
77
75
73
71
69
67
65
0.2 0.4 0.6 0.8
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3
Vin=12V
Tamb=25°C
Vin=12V
Junction temperature vs
output current
Vo=2.5V
Vo=3.3V
1
Vo=5V
1.2 1.4 1.6 1.8
Io (A)
Io (A)
2
Vo=5V
2.2 2.4 2.6
Vo=2.5V
L5973D
Vo=3.3V