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L7986TA 데이터시트(PDF) 33 Page - STMicroelectronics

부품명 L7986TA
상세설명  3 A step-down switching regulator
PDF  43 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7986TA 데이터시트(HTML) 33 Page - STMicroelectronics

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L7986TA
Application information
Doc ID 022098 Rev 3
33/43
Figure 21.
Junction temperature vs. output
current
Figure 22.
Junction temperature vs. output
current
VOUT=1.8V
VOUT=3.3V
VOUT=5V
HSOP
VQFN
V
IN=24V
F
SW=250KHz
T
AMB=25 C
VOUT=1.8V
VOUT=3.3V
VOUT=5V
HSOP
VQFN
V
IN=12V
F
SW=250KHz
T
AMB=25 C
Figure 23.
Junction temperature vs. output
current
Figure 24.
Efficiency vs. output current
VOUT=1.2V
VOUT=1.8V
VOUT=3.3V
HSOP
VQFN
V
IN=5V
F
SW=250KHz
T
AMB=25 C
60
65
70
75
80
85
90
95
0.100
0.600
1.100
1.600
2.100
2.600
3.100
Io [A]
Vin=12V
Vin=18V
Vin=24V
Vo=5.0V
FSW=250kHz
Figure 25.
Efficiency vs. output current
Figure 26.
Efficiency vs. output current
50
55
60
65
70
75
80
85
90
95
0.100
0.600
1.100
1.600
2.100
2.600
3.100
Io [A]
Vin=5V
Vin=12V
Vin=24V
Vo=3.3V
FSW=250kHz
40
45
50
55
60
65
70
75
80
85
0.100
0.600
1.100
1.600
2.100
2.600
3.100
Io [A]
Vin=5V
Vin=12V
Vin=24V
Vo=1.8V
FSW=250kHz



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