LM431CIM3
- Mfr.Part #
- LM431CIM3
- Manufacturer
- Texas Instruments
- Package / Case
- TO-236-3, SC-59, SOT-23-3
- Datasheet
- Download
- Description
- IC VREF SHUNT -0.6/+0.4% SOT23-3
- Stock
- 950
- In Stock :
- 950
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- Manufacturer :
- Texas Instruments
- Product Category :
- Voltage Reference
- Voltage - Output (Min/Fixed) :
- 2.5V
- RoHS Status :
- Non-RoHS Compliant
- Peak Reflow Temperature (Cel) :
- 260
- Supply Voltage-Min (Vsup) :
- 2.44V
- Trim/Adjustable Output :
- yes
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Surface Mount
- Packaging :
- Tape and Reel (TR)
- Pin Count :
- 3
- Number of Channels :
- 1
- Lead Free :
- Contains Lead
- Max Input Voltage :
- 37V
- Base Part Number :
- LM431
- Current - Cathode :
- 1mA
- Reference Type :
- Shunt
- Temp Coef of Voltage-Max :
- 97 ppm/°C
- Max Output Voltage :
- 37V
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Package / Case :
- TO-236-3, SC-59, SOT-23-3
- Operating Temperature :
- -40°C~85°C TA
- Analog IC - Other Type :
- TWO TERMINAL VOLTAGE REFERENCE
- Terminal Pitch :
- 0.95mm
- Temperature Coefficient :
- 50ppm/°C Typical
- Mounting Type :
- Surface Mount
- Number of Terminations :
- 3
- Number of Pins :
- 3
- JESD-609 Code :
- e0
- Terminal Form :
- Gull wing
- Reference Voltage :
- 36V
- Output Voltage :
- 37V
- Lifecycle Status :
- NRND (Last Updated: 1 day ago)
- Thickness :
- 1mm
- Number of Functions :
- 1
- Current - Output :
- 100mA
- Tolerance :
- -0.6% +0.4%
- Width :
- 1.3mm
- Radiation Hardening :
- No
- Height :
- 1.22mm
- Max Output Current :
- 100mA
- REACH SVHC :
- No SVHC
- Terminal Position :
- Dual
- Output Type :
- Adjustable
- Length :
- 2.92mm
- ECCN Code :
- EAR99
- Number of Outputs :
- 1
- Datasheets
- LM431CIM3
LM431CIM3 Documents

Voltage Reference Texas Instruments LM431CIM3 Overview
The Texas Instruments LM431CIM3 is a highly reliable and precise adjustable shunt voltage reference, encapsulated in a compact SOT-23 package. This voltage reference IC features a nominal voltage of 2.5V and can be adjusted over a wide range from 0.6V to 36V, making it exceptionally versatile for diverse applications. The low output noise and excellent temperature stability (+/-0.4% deviation) ensure high-performance operation across various environmental conditions. Designed to meet stringent requirements, the LM431CIM3 from Texas Instruments is ideal for critical and high-volume applications where precision voltage calibration is essential.
LM431CIM3 Features
The LM431CIM3 boasts several notable features that make it an outstanding choice for sophisticated electronics applications. These include its adjustable output voltage, low dynamic output impedance, and exceptional temperature stability. Furthermore, its ability to source up to 100 mA of output current allows it to drive heavier loads compared to other devices in its class. The device's robust design ensures reliable operation even under fluctuating supply conditions and varying load demands.
LM431CIM3 Applications
- Power Supplies: Utilized as a reference voltage source in power supply circuits, ensuring consistent output regardless of variations in input voltage or load conditions.
- Battery Chargers: Helps in maintaining precise control over the charging voltage, critical for extending battery life and efficiency in battery charging systems.
- Data Conversion Systems: Acts as a reference voltage for Analog-to-Digital Converters (ADCs) and Digital-to-Analog Converters (DACs), providing stability and precision in signal conversion.
- Voltage Monitoring: Employed in voltage monitoring circuits to ensure voltage levels remain within specified thresholds, crucial for system reliability and safety.
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