L7986TA STMicroelectronics, L7986TA Datasheet - Page 33

• Manufacturer Part Number: L7986TA
• Description: 3A step-down switching regulator
• Manufacturer: STMicroelectronics

Specifications of L7986TA

• Low Dropout Operation: 100% duty cycle

L7986TA
Figure 21. Junction temperature vs. output
Figure 23. Junction temperature vs. output
Figure 25. Efficiency vs.output current
95
90
85
80
75
70
65
60
55
50
0.100
V
F
T
V
V
V
AMB
V
V
OUT
OUT
OUT
SW
IN
V
OUT
OUT
OUT
=5V
=3.3V
=1.8V
=1.2V
=250KHz
=3.3V
=1.8V
=25 C
=5V
0.600
current
current
VQFN
VQFN
HSOP
HSOP
1.100
1.600
Io [A]
2.100
V
F
T
AMB
IN
SW
2.600
Vo=3.3V
FSW=250kHz
=24V
=250KHz
=25 C
Vin=5V
Vin=12V
Vin=24V
Doc ID 022098 Rev 1
3.100
Figure 22. Junction temperature vs. output
Figure 24. Efficiency vs. output current
Figure 26. Efficiency vs. output current
95
90
85
80
75
70
65
60
85
80
75
70
65
60
55
50
45
40
0.100
0.100
V
V
V
OUT
OUT
OUT
=3.3V
=1.8V
=5V
0.600
0.600
current
VQFN
1.100
HSOP
1.100
1.600
Io [A]
Application informations
1.600
Io [A]
2.100
2.100
V
F
T
2.600
Vo=5.0V
FSW=250kHz
Vo=1.8V
FSW=250kHz
AMB
2.600
SW
IN
=12V
=250KHz
Vin=5V
Vin=12V
Vin=24V
=25 C
Vin=12V
Vin=18V
Vin=24V
3.100
3.100
33/43