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LM431ACM3X/NOPB from TI,Texas Instruments

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LM431ACM3X/NOPB

Manufacturer: TI

Adjustable Precision Zener Shunt Regulator 3-SOT-23 0 to 70

Partnumber Manufacturer Quantity Availability
LM431ACM3X/NOPB,LM431ACM3XNOPB TI 2900 In Stock

Description and Introduction

Adjustable Precision Zener Shunt Regulator 3-SOT-23 0 to 70 The LM431ACM3X/NOPB is a precision programmable shunt voltage reference manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Reference Voltage:** 2.495V (adjustable from Vref to 36V)  
- **Voltage Tolerance:** ±0.5%, ±1%, ±2% (depending on grade)  
- **Operating Current Range:** 1mA to 100mA  
- **Temperature Coefficient:** 50ppm/°C (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-3  
- **Output Voltage Noise:** 0.2μVrms (typical, 10Hz to 10kHz)  
- **Cathode Current (IK):** 1mA (minimum)  
- **Dynamic Impedance:** 0.2Ω (typical)  

### **Description:**  
The LM431ACM3X/NOPB is a three-terminal adjustable shunt regulator with thermal stability and low dynamic impedance. It is commonly used in voltage regulation, switching power supplies, and precision voltage reference applications. The device operates similarly to a Zener diode but with improved accuracy and programmability.  

### **Features:**  
- **Adjustable Output Voltage** (Vref to 36V)  
- **Low Output Noise**  
- **Wide Operating Current Range** (1mA to 100mA)  
- **Low Dynamic Impedance** (0.2Ω typical)  
- **Fast Turn-On Response**  
- **Available in Multiple Tolerance Grades**  
- **SOT-23-3 Package for Space-Constrained Applications**  

The LM431ACM3X/NOPB is RoHS-compliant and lead-free.  

(Source: Texas Instruments Datasheet)

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