The LM431CIM3/NOPB is an adjustable precision Zener shunt regulator from Texas Instruments, designed for applications requiring precise voltage regulation. It features a programmable output voltage range from 2.5 V to 36 V, achieved by selecting two external resistors for a voltage divider network. The device ensures temperature stability with an average temperature coefficient of 50 ppm/°C, making it suitable for a variety of environments. It offers fast turn-on response, low output noise, and low dynamic output impedance, which enhances its performance in linear and switching power supply applications. The LM431CIM3/NOPB is available in a compact SOT-23 package, facilitating space-efficient designs. This product is ideal for use in voltage monitoring, current source and sink circuits, and as a replacement for Zener diodes.
Adjustable Precision Zener Shunt Regulator 3-SOT-23 -40 to 85
Adj. Shunt Ref, 36V, 0.4% Tol, SOT-23, SM Product overview: LM431CIM3/NOPB from Texas Instruments is a Precision Voltage Reference IC for precision regulation, analog measurement, ADC/DAC reference rails, instrumentation, calibration, and control circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 36V, SOT-23. Search-friendly keywords include voltage reference, precision reference, analog accuracy, ADC reference, 36V, SOT-23, Precision Voltage Reference IC, Voltage References. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 693-LM431CIM3/NOPB can be used for catalog matching and distributor lookup.
Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO3
Shunt Voltage Reference IC Adjustable 2.5V 37VV -0.6%, +0.4% 100mA SOT-23-3
Shunt Voltage Reference IC Adjustable 2.5V 37VV -0.6%, +0.4% 100mA SOT-23-3
Shunt Voltage Reference IC Adjustable 2.5V 37VV -0.6%, +0.4% 100mA SOT-23-3
Manufacturer: Texas Instruments
Win Source Part Number: 1054537-LM431CIM3/NO
Packaging: Reel - TR
Mounting: SMD (SMT)
Tolerance: -0.6%, +0.4%
Temperature Coefficient: 50ppm/°C Typical
Output Type: Adjustable
Reference Type: Shunt
Output Current: 100mA
Current - Cathode: 1mA
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: SOT-23-3
Nominal Output Voltage (Min/Fixed): 2.5V
Maximum Output Voltage: 37V
Popularity: Medium
Fake Threat In the Open Market: 67 pct.
Supply and Demand Status: Balance
Voltage References ADJ PREC ZENER SHUNT REG
IC VREF SHUNT -0.6/+0.4% SOT23-3
VOLTAGE REF, SHUNT, 2.5V-36V, SOT-23-3; Voltage Reference Type:Shunt - Adjustable; Product Range:LM431 Series; Reference Voltage:2.5V to 36V; Initial Accuracy:0.5%; Temperature Coefficient:50ppm/°C
| Texas Instruments | ERSAELECTRONICS PTE. LTD. | Rochester Electronics | DigiKey | Win Source Electronics | VAST STOCK CO., LIMITED | Lingto Electronic Limited | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Voltage Reference Chips | Voltage Reference Chips | Voltage Reference Chips | Voltage Reference Chips | Voltage Reference Chips | Voltage Reference Chips | Voltage Reference Chips | Voltage Reference Chips |
| Product Number | LM431CIM3/NOPB | 693-LM431CIM3/NOPB | LM431CIM3/NOPB | LM431CIM3/NOPBTR-ND | 1054537-LM431CIM3/NOPB | LM431CIM3/NOPB | LM431CIM3/NOPB | 29AH6365 |
| Product Name | LM431 Adjustable Precision Zener Shunt Regulator | 36V SOT-23 Precision Voltage Reference IC | Voltage Reference | PMIC - PMIC - Voltage Reference - LM431CIM3/NOPB | Voltage References | PMIC - Voltage Reference | Voltage Ref, Shunt, 2.5V-36V, Sot-23-3; Voltage Reference Type Texas Instruments | |
| Type | Shunt / Zener | Shunt / Zener; Shunt, Adjustable | Shunt / Zener | Shunt / Zener | Shunt / Zener | |||
| VREF Type | Programmable | Programmable | ||||||
| Package Type | Other; SOIC,SOT-23,TO-92 | Other; SOT-23 | Other; SOIC8 | Other; TO-236-3, SC-59, SOT-23-3 | SOT23; Other; SOT-23-3 | |||
| VREF | 2.5 to 36 volts | 2.5 to 36 volts | ||||||
| TC | 50 ppm/C | 50 ppm/C | 50 ppm/C | 50 ppm/C |
