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LM4128DMF-2.5 from National,National Semiconductor

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LM4128DMF-2.5

Manufacturer: National

SOT-23 Precision Micropower Series Voltage Reference

Partnumber Manufacturer Quantity Availability
LM4128DMF-2.5,LM4128DMF25 National 17000 In Stock

Description and Introduction

SOT-23 Precision Micropower Series Voltage Reference The LM4128DMF-2.5 is a precision voltage reference manufactured by National Semiconductor (now part of Texas Instruments).  

### **Specifications:**  
- **Output Voltage:** 2.5V  
- **Initial Accuracy:** ±0.2% (max)  
- **Temperature Coefficient:** 50 ppm/°C (max)  
- **Output Current:** 10 mA (max)  
- **Input Voltage Range:** 4V to 30V  
- **Quiescent Current:** 500 µA (typ)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23 (5-pin)  

### **Descriptions & Features:**  
- **Precision Voltage Reference:** Provides a stable 2.5V output with high accuracy.  
- **Low Dropout Operation:** Works efficiently with input voltages as low as 4V.  
- **Low Noise:** Minimizes output voltage fluctuations.  
- **Wide Operating Temperature Range:** Suitable for industrial and automotive applications.  
- **Small Form Factor:** SOT-23 package for space-constrained designs.  
- **Reverse Battery Protection:** Protects against incorrect power supply connections.  

This device is commonly used in data acquisition systems, power supplies, and instrumentation requiring a stable reference voltage.

Partnumber Manufacturer Quantity Availability
LM4128DMF-2.5,LM4128DMF25 NS 63 In Stock

Description and Introduction

SOT-23 Precision Micropower Series Voltage Reference The LM4128DMF-2.5 is a precision voltage reference manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Output Voltage:** 2.5V  
- **Initial Accuracy:** ±0.2% (max)  
- **Temperature Coefficient:** 50 ppm/°C (max)  
- **Output Current:** 10 mA  
- **Line Regulation:** 0.01%/V (typ)  
- **Load Regulation:** 0.05%/mA (typ)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
- The LM4128 is a high-precision, low-power voltage reference with excellent temperature stability and low noise.  
- It is designed for applications requiring stable voltage references, such as data converters, power supplies, and instrumentation.  

### **Features:**  
- Low dropout voltage (200 mV typical)  
- Low quiescent current (60 µA typical)  
- High output current capability (10 mA)  
- Stable with capacitive loads up to 10 µF  
- Low noise (35 µVp-p, 0.1 Hz to 10 Hz)  
- Wide operating temperature range (-40°C to +125°C)  

This information is based on the manufacturer's datasheet for the LM4128DMF-2.5.

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