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AS2431M Datasheet

  • AS2431M

  • Analog IC

  • 8頁

  • ETC

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AS2431
Micropower SOT-23, 2.5V Precision
Adjustable Shunt Regulator
FEATURES
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Voltage Tolerance
...............................................
0.5%
Wide Operating Current
.....................
1ma to 100mA
擄
擄
Extended Temperature Range
...............0擄
C to 105擄C
Low Temperature Coefficient ........................30 ppm/擄C
Offered In Small Low Power SOT-23 Package
Low Output Noise
APPLICATIONS
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Battery Operating Equipment
Adjustable Supplies
Switching Power Supplies
Error Amplifiers
Single Supply Amplifier
Monitors / VCR / TV
Personal Computers
PRODUCT DESCRIPTION
The AS2431 is a 3-terminal Adjustable Shunt Voltage Regulator providing a highly accurate 0.5% bandgap reference. AS2431 acts as
an open-loop error amplifier with a 2.5V temperature compensation reference. The AS2431 thermal stability, wide operating current
(100mA) and temperature range (105擄C) makes it suitable for all variety of applications that are looking for a low cost solution with
high performance.
AS2431 tolerance of 0.5% is proven to be sufficient to overcome all of the other errors in the system to
virtually eliminate the need for trimming in the power supply manufactures assembly line and contribute a significant cost
Savings.
In the standard shunt configuration, the combination of low temperature coefficient (T.C.), sharp turn-on characteristics, low output
impedance and programmable output voltage make this precision reference an excellent error amplifier.
The AS2431 is a direct replacement for the AS431 and TL431 in low voltage, low current applications.
ORDERING INFORMATION
SOT-23
5-PIN
AS2431YM5
SOT-23
3-PIN
AS2431YM
TEMP OPER
RANGE
0擄C to 105擄C
Y = Output Accuracy (Y= A or Blank)
PIN CONNECTIONS
SOT-23-5
N/C
N/C
SOT-23-5
N/C
N/C
SOT-23
ANODE
SOT-23
ANODE
5
4
5
4
AS2431
1
2
3
1
AS2432
2
3
AS2431
AS2432
REF
ANODE
CATHODE
REF
ANODE
CATHODE
REF
CATHODE
REF
CATHODE
Top View
0.5% Device
Top View
1% Device
Top View
0.5% Device
Top View
1% Device
Rev. 10/11/00

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