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LP3966ESX-ADJ/NOPB from NS,National Semiconductor

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LP3966ESX-ADJ/NOPB

Manufacturer: NS

3A Fast Ultra Low Dropout Linear Regulator 5-DDPAK/TO-263 -40 to 125

Partnumber Manufacturer Quantity Availability
LP3966ESX-ADJ/NOPB,LP3966ESXADJNOPB NS 409 In Stock

Description and Introduction

3A Fast Ultra Low Dropout Linear Regulator 5-DDPAK/TO-263 -40 to 125 The LP3966ESX-ADJ/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage Range:** Adjustable from 1.22V to 15V  
- **Output Current:** 800mA  
- **Dropout Voltage:** 340mV (typical) at 800mA  
- **Input Voltage Range:** Up to 16V  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.04% (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-223-5  

### **Descriptions:**  
- The LP3966 is an adjustable LDO regulator designed for high-performance applications requiring low noise and high PSRR (Power Supply Rejection Ratio).  
- It features fast transient response and low dropout voltage, making it suitable for battery-powered devices.  
- Includes thermal shutdown and current limit protection.  

### **Features:**  
- **Adjustable Output Voltage** (via external resistors)  
- **Low Dropout Voltage** (340mV typical at full load)  
- **High PSRR** (75dB at 1kHz)  
- **Low Noise** (30µVRMS typical)  
- **Thermal Shutdown & Current Limit Protection**  
- **Stable with Low-ESR Ceramic Capacitors** (≥10µF)  
- **Low Quiescent Current** (75µA typical)  

This regulator is commonly used in portable electronics, networking equipment, and industrial applications.

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