TS2431AILT STMicroelectronics, TS2431AILT Datasheet

IC VOLTAGE REF PROGR SHUNT SOT23

TS2431AILT

Manufacturer Part Number
TS2431AILT
Description
IC VOLTAGE REF PROGR SHUNT SOT23
Manufacturer
STMicroelectronics
Datasheet

Specifications of TS2431AILT

Reference Type
Shunt, Adjustable
Voltage - Output
2.5 ~ 24 V
Tolerance
±1%
Temperature Coefficient
50ppm/°C
Number Of Channels
1
Current - Cathode
300µA
Current - Output
100mA
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
Product
Voltage References
Topology
Shunt References
Output Voltage
Adjustable
Initial Accuracy
1 %
Average Temperature Coefficient (typ)
100 PPM / C
Series Vref - Input Voltage (max)
25 V
Shunt Current (max)
100 mA
Maximum Operating Temperature
+ 105 C
Input Voltage
2.5 V
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Shunt Current (min)
1 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Current - Quiescent
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-6772-2
TS2431AILT

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Features
Applications
Description
The TS2431 is a programmable shunt voltage
reference with guaranteed temperature stability
over the entire temperature range of operation
-40 to +105° C. The output voltage may be set to
any value between 2.5 and 24 V with an external
resistor bridge.
Available in a SOT23-3 surface mount package,
the device can be implemented in applications
where space-saving is of utmost importance.
September 2009
Adjustable output voltage: 2.5 to 24 V
Precision selection at 25° C: ±2%, ±1% and
±0.5%
Sink current capability: 1 to 100 mA
Industrial temperature range: -40 to +105° C
Performances compatible with industry-
standard TL431
Computers
Instrumentation
Battery chargers
Switch mode power supplies
Battery-operated equipment
Doc ID 7961 Rev 2
Programmable shunt voltage reference
Reference
Cathode
Pin connections (top view)
(plastic micropackage)
SOT23-3L
2
1
L
3
TS2431
Anode
www.st.com
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TS2431AILT Summary of contents

Page 1

Features ■ Adjustable output voltage: 2 ■ Precision selection at 25° C: ±2%, ±1% and ±0.5% ■ Sink current capability 100 mA ■ Industrial temperature range: -40 to +105° C ■ Performances compatible with industry- ...

Page 2

Absolute maximum ratings and operating conditions 1 Absolute maximum ratings and operating conditions Table 1. Absolute maximum ratings Symbol Vka Cathode to anode voltage I Reverse breakdown current K I Reference input current range REF P Power dissipation d T ...

Page 3

TS2431 2 Electrical characteristics Table 3. Electrical characteristics (Tamb = 25° C unless otherwise specified) Symbol Parameter V Reference input voltage REF Reference input voltage deviation over | ΔV | temperature REF = ...

Page 4

Electrical characteristics Figure 1. Reference voltage vs temperature 2.52 2.51 2.50 2.49 2.48 -40 - Temperature (°C) Figure 3. Reference input current vs temperature 1.00 0.75 0.50 0.25 0.00 -40 - Temperature (°C) Figure 5. Cathode ...

Page 5

TS2431 Figure 7. Off-state current vs temperature 0.3 0.2 0.1 0.0 -40 - Temperature (°C) Figure 9. Phase and gain vs frequency Figure 11. Test circuit for Vka > Vref Input R1 Iref R2 Vref Vka = ...

Page 6

Electrical characteristics Figure 13. Pulse response Input voltage 4 Output voltage 2 0 0.0 0.5 1.0 Time (µs) Figure 15. Stability boundary conditions 100 80 60 Vka Instable 20 Vka=2.5 V ...

Page 7

TS2431 3 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ...

Page 8

Package information 3.1 SOT23-3 package information Figure 19. SOT23-3 package mechanical drawing Table 4. SOT23-3 package mechanical data Ref 8/11 Dimensions Millimeters Min. Typ. Max. 0.89 1.12 ...

Page 9

... TS2431 4 Ordering information Table 5. Order codes Order code Temperature range TS2431ILT TS2431AILT TS2431BILT -40 to +105°C (1) TS2431IYLT (1) TS2431AIYLT (1) TS2431BIYLT 1. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 & Q 002 or equivalent are on-going. Package Packing SOT23-3 Tape & ...

Page 10

Revision history 5 Revision history Table 6. Document revision history Date 01-Feb-2002 10-Sep-2009 10/11 Revision 1 Initial release. Updated document format. Modified footnote 1 under on page 2. 2 Added HBM and MM notes under Added automotive grade order codes ...

Page 11

... TS2431 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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