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IR21814S from NS,National Semiconductor

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15.137ms

IR21814S

Manufacturer: NS

High and Low Side Driver, SoftTurn-On, Noninverting Inputs, Separate High and Low Side Inputs, All High Voltage Pins On One Side, Separate Logic and Power Ground in a 14-lead SOIC package

Partnumber Manufacturer Quantity Availability
IR21814S NS 1 In Stock

Description and Introduction

High and Low Side Driver, SoftTurn-On, Noninverting Inputs, Separate High and Low Side Inputs, All High Voltage Pins On One Side, Separate Logic and Power Ground in a 14-lead SOIC package The IR21814S is a high and low side driver IC manufactured by International Rectifier (IR), now part of Infineon Technologies. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **NS (National Semiconductor)** is not the manufacturer. The correct manufacturer is **International Rectifier (IR)**, now part of Infineon Technologies.  

### **Specifications:**  
- **Output Configuration:** High and Low Side  
- **Output Current (Source/Sink):** 1.4A / 1.8A  
- **Rise Time (Typical):** 120ns  
- **Fall Time (Typical):** 90ns  
- **Propagation Delay (Typical):** 480ns  
- **Input Voltage Range (VIN):** 5V to 20V  
- **Supply Voltage (VCC):** 10V to 20V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin SOIC  

### **Descriptions:**  
- The IR21814S is a high-voltage, high-speed power MOSFET and IGBT driver with independent high and low side referenced output channels.  
- It is designed for applications requiring high efficiency and reliability, such as motor drives, inverters, and power supplies.  
- The device includes undervoltage lockout (UVLO) protection for both high and low side drivers.  

### **Features:**  
- **Floating Channel Design:** Allows for bootstrap operation up to 600V.  
- **Matched Propagation Delay:** Ensures minimal dead time for improved efficiency.  
- **3.3V, 5V, and 15V Logic Input Compatible:** Supports a wide range of control signals.  
- **Cross-Conduction Prevention:** Internal dead-time control to prevent shoot-through.  
- **Undervoltage Lockout (UVLO):** Protects against insufficient gate drive voltage.  
- **High Noise Immunity:** Robust design against transient disturbances.  

This information is based on the official datasheet and technical documentation from International Rectifier (IR/Infineon).

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