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LM4121IM5-1.2 from NATIONAL,National Semiconductor

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LM4121IM5-1.2

Manufacturer: NATIONAL

Precision Micropower Low Dropout Voltage Reference

Partnumber Manufacturer Quantity Availability
LM4121IM5-1.2,LM4121IM512 NATIONAL 3750 In Stock

Description and Introduction

Precision Micropower Low Dropout Voltage Reference The LM4121IM5-1.2 is a precision voltage reference manufactured by **National Semiconductor** (now part of Texas Instruments).  

### **Specifications:**  
- **Output Voltage:** 1.2V  
- **Initial Accuracy:** ±0.2% (max)  
- **Temperature Coefficient:** 50 ppm/°C (max)  
- **Output Current:** 20 mA  
- **Dropout Voltage:** 300 mV (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5 (Miniature Surface-Mount)  
- **Supply Voltage Range:** 1.8V to 5.5V  
- **Low Quiescent Current:** 85 µA (typical)  

### **Descriptions and Features:**  
- **Precision Voltage Reference:** Provides a stable 1.2V output with high accuracy.  
- **Low Dropout Operation:** Suitable for battery-powered applications.  
- **Low Noise:** Minimizes output voltage fluctuations.  
- **Wide Operating Range:** Functions reliably across industrial and automotive temperature ranges.  
- **Small Footprint:** SOT-23-5 package enables space-constrained designs.  
- **Applications:** Used in data converters, power supplies, instrumentation, and portable electronics.  

This device is designed for applications requiring a stable and precise voltage reference with minimal power consumption.

Partnumber Manufacturer Quantity Availability
LM4121IM5-1.2,LM4121IM512 NS 1213 In Stock

Description and Introduction

Precision Micropower Low Dropout Voltage Reference The LM4121IM5-1.2 is a precision voltage reference manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 1.2V  
- **Initial Accuracy:** ±0.2% (max)  
- **Temperature Coefficient:** 50 ppm/°C (max)  
- **Output Current:** 15 mA  
- **Dropout Voltage:** 300 mV (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LM4121 is a low-dropout, precision voltage reference with excellent initial accuracy and low temperature drift. It is designed for applications requiring stable voltage references, such as data converters, power supplies, and instrumentation.  

### **Features:**  
- Low dropout voltage (300 mV typical)  
- Low quiescent current (120 µA typical)  
- High output current capability (15 mA)  
- Stable with capacitive loads up to 10 µF  
- Available in multiple output voltages  
- SOT-23-5 package for space-constrained applications  

This information is based on the manufacturer's datasheet.

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