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LP2978IM5X-3.8 from NATIONAL,National Semiconductor

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LP2978IM5X-3.8

Manufacturer: NATIONAL

Micropower SOT, 50 mA Low-Noise Ultra Low-Dropout Regulator

Partnumber Manufacturer Quantity Availability
LP2978IM5X-3.8,LP2978IM5X38 NATIONAL 63000 In Stock

Description and Introduction

Micropower SOT, 50 mA Low-Noise Ultra Low-Dropout Regulator The LP2978IM5X-3.8 is a low-dropout (LDO) voltage regulator manufactured by **NATIONAL SEMICONDUCTOR**.  

### **Key Specifications:**  
- **Output Voltage:** 3.8V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** Up to 7V  
- **Package:** SOT-23-5  
- **Accuracy:** ±2% over line, load, and temperature  
- **Low Quiescent Current:** 75µA (typical)  
- **Protection Features:** Thermal shutdown, current limit  

### **Features:**  
- Stable with low-ESR ceramic capacitors  
- Low noise output  
- Fast transient response  
- Designed for battery-powered applications  

### **Applications:**  
- Portable electronics  
- Battery-powered devices  
- Wireless communication systems  

This regulator is optimized for space-constrained applications due to its small SOT-23-5 package.

Partnumber Manufacturer Quantity Availability
LP2978IM5X-3.8,LP2978IM5X38 NS 9000 In Stock

Description and Introduction

Micropower SOT, 50 mA Low-Noise Ultra Low-Dropout Regulator The LP2978IM5X-3.8 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (NS). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 3.8V (Fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (Typical at 150mA)  
- **Input Voltage Range:** 2.5V to 7V  
- **Line Regulation:** 0.02%/V (Typical)  
- **Load Regulation:** 0.1% (Typical)  
- **Quiescent Current:** 75µA (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
- The LP2978IM5X-3.8 is a fixed-output LDO regulator designed for low-power applications.  
- It provides stable voltage regulation with low dropout and low quiescent current.  
- Suitable for battery-powered devices, portable electronics, and embedded systems.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation with minimal headroom.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors.  
- **Fast Transient Response:** Suitable for dynamic load conditions.  

This information is sourced from the manufacturer's datasheet.

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