UNISONIC TECHNOLOGIES CO., LTD
TL431L
LINEAR INTEGRATED CIRCUIT
PROGRAMMABLE PRECISION
REFERENCE
DESCRIPTION
The UTC TL431L is a three-terminal adjustable regulator with a
guaranteed thermal stability over applicable temperature ranges.
The output voltage may be set to any value between VREF
(approximately 2.5V) and 20V with two external resistors. It provides
very wide applications, including shunt regulator, series regulator,
switching regulator, voltage reference and others.
FEATURES
*Programmable Output Voltage to 20V.
*Low Dynamic Output Impedance 0.2Ω.
*Sink Current Capability of 1.0 ~ 100mA.
*Equivalent full-Range Temperature Coefficient of 50ppm/ °C Typical
for Operation over full Rated Operating Temperature Range.
ORDERING INFORMATION
Ordering Number
Pin Assignment
Package
Packing
Normal
Lead Free
Halogen Free
TL431LG-AB3-R
TL431LG-AE3-R
TL431LG-AF5-R
TL431LG-S08-R
TL431LG-SM1-R
TL431LG-SM1-T
TL431LG-T92-B
TL431LG-T92-K
TL431LG-T92-R
R: Reference
1
R
K
X
K
K
K
R
R
R
2
A
R
X
A
X
X
A
A
A
3
K
A
K
A
X
X
K
K
K
4
-
5
-
6
-
7
-
8
-
TL431L-AB3-R
TL431L-AE3-R
TL431L-AF5-R
TL431L-S08-R
TL431L-SM1-R
TL431L-SM1-T
TL431L-T92-B
TL431L-T92-K
TL431L-T92-R
TL431LK-AB3-R
TL431LK-AE3-R
TL431LK-AF5-R
TL431LK-S08-R
TL431LK-SM1-R
TL431LK-SM1-T
TL431LK-T92-B
TL431LK-T92-K
TL431LK-T92-R
SOT-89
SOT-23
SOT-25
SOP-8
Tape Reel
Tape Reel
Tape Reel
Tape Reel
-
-
-
-
-
R
X
X
X
-
A
X
X
X
-
-
-
-
A
A
A
-
A
X
X
-
R
R
R
-
MSOP-8 Tape Reel
MSOP-8
TO-92
TO-92
TO-92
Tube
Tape Box
Bulk
-
-
-
-
-
-
-
-
-
-
Tape Reel
Note: Pin Code: K: Cathode
A: Anode
X: No Connection
MARKING (SOT-23/SOT-25)
SOT-23
SOT-25
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Copyright © 2008 Unisonic Technologies Co., Ltd
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