LM431ACZ/NOPB
- Mfr.Part #
- LM431ACZ/NOPB
- Manufacturer
- National Semiconductor
- Package / Case
- TO-226-3, TO-92-3 (TO-226AA)
- Datasheet
- Download
- Description
- LM431 2%, 1%, OR 0.5% ACCURACY,
- Stock
- 26,406
- In Stock :
- 26,406
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Reference
- Trim/Adjustable Output :
- yes
- Current Rating :
- 100mA
- Width :
- 4.3mm
- Current - Cathode :
- 1mA
- Output Voltage :
- 37V
- Base Part Number :
- LM431
- Terminal Position :
- BOTTOM
- Max Output Current :
- 100mA
- Thickness :
- 3.6mm
- Pbfree Code :
- yes
- Number of Pins :
- 3
- Number of Channels :
- 1
- Radiation Hardening :
- No
- Number of Functions :
- 1
- Number of Terminations :
- 3
- Terminal Finish :
- Matte Tin (Sn)
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Mounting Type :
- Through Hole
- Min Output Voltage :
- 2.44V
- Moisture Sensitivity Level (MSL) :
- Not Applicable
- Tolerance :
- ±2.2%
- Factory Lead Time :
- 6 Weeks
- Output Type :
- Adjustable
- Temperature Coefficient :
- 50ppm/°C Typical
- RoHS Status :
- ROHS3 Compliant
- Package / Case :
- TO-226-3, TO-92-3 (TO-226AA)
- Max Output Voltage :
- 37V
- Max Input Voltage :
- 37V
- Lead Free :
- Lead Free
- Reference Type :
- Shunt
- REACH SVHC :
- No SVHC
- Length :
- 4.3mm
- Temp Coef of Voltage-Max :
- 97 ppm/°C
- Voltage - Output (Min/Fixed) :
- 2.495V
- Pin Count :
- 3
- Mount :
- Through Hole
- Operating Temperature :
- 0°C~70°C TA
- Analog IC - Other Type :
- TWO TERMINAL VOLTAGE REFERENCE
- Height :
- 5.34mm
- Packaging :
- Box
- ECCN Code :
- EAR99
- Number of Outputs :
- 1
- JESD-609 Code :
- e3
- Reference Voltage :
- 36V
- Datasheets
- LM431ACZ/NOPB

Voltage Reference National Semiconductor LM431ACZ/NOPB Overview
The LM431ACZ/NOPB from National Semiconductor is a precision voltage reference that offers high accuracy, reliability, and versatility for a broad range of applications. Engineered to deliver a stable and adjustable output, this component boasts a precision of 2%, 1%, or 0.5% accuracy, making it ideal for critical applications where voltage stability is paramount. The adjustable output voltage and low dynamic impedance ensure that the LM431ACZ/NOPB meets stringent requirements, providing a dependable solution for designers and engineers seeking high performance in voltage regulation and reference tasks.
LM431ACZ/NOPB Features
This precision voltage reference features adjustable output from 2.495 V to 36 V, catering to a wide range of application needs. The LM431ACZ/NOPB supports a typical dynamic impedance of 0.22 ohms, and a guaranteed temperature stability, ensuring high performance across various operating conditions. The device’s low output noise and tolerance for capacitive loads make it an excellent choice for sensitive electronic applications.
LM431ACZ/NOPB Applications
- Power Supplies: Employed in feedback control loops, the LM431ACZ/NOPB stabilizes output voltage to ensure consistent power delivery in both linear and switching power supplies.
- Battery Chargers: Used to precisely control the end-of-charge voltage, improving the efficiency and longevity of battery systems.
- Data Acquisition Systems: Provides a stable reference voltage, crucial for accurate data measurement and conversion in various sensor-based and data-logging systems.
- Consumer Electronics: Integral in maintaining voltage integrity in devices such as TVs and audio equipment, ensuring optimal performance and reliability.
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