LM431SA Fairchild Semiconductor, LM431SA Datasheet - Page 7
LM431SA
Manufacturer Part Number
LM431SA
Description
The LM431SA/LM431SB/LM431SC are three terminal output adjustable regulators with thermal stability over operating temperature range
Manufacturer
Fairchild Semiconductor
Datasheet
1.LM431SA.pdf
(12 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM431SACMFX
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Part Number:
LM431SAIMFX
Manufacturer:
ON/安森美
Quantity:
20 000
LM431SA/LM431SB/LM431SC Rev. 1.0.9
© 2012 Fairchild Semiconductor Corporation
Typical Application
Figure 16. Current Limit or Current Source
Figure 15. High Current Shunt Regulator
Figure 13. Shunt Regulator
V
V
O
O
=
=
⎛
⎝
⎛
⎝
1
1
+
+
LM431S
R
------ -
R
R
------ -
R
1
2
1
2
LM431S
LM431S
⎞ V
⎠
⎞ V
⎠
ref
ref
7
Figure 17. Constant-Current Sink
Figure 14. Output Control for
Three-Terminal Fixed Regulator
LM7805/MC7805
V
O
=
LM431S
LM431S
V
ref
⎛
⎝
1
+
R
------ -
R
1
2
⎞
⎠
www.fairchildsemi.com