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ISL6421ERZ from INTERSIL

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ISL6421ERZ

Manufacturer: INTERSIL

Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs

Partnumber Manufacturer Quantity Availability
ISL6421ERZ INTERSIL 326 In Stock

Description and Introduction

Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs The ISL6421ERZ is a dual-output regulator manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 5.5V  
- **Output Voltage Range:** Adjustable (0.8V to 5.5V)  
- **Output Current:** Up to 2A per channel  
- **Switching Frequency:** 300kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-Lead QFN (Quad Flat No-Lead)  

### **Descriptions:**  
- The ISL6421ERZ is a dual synchronous buck regulator designed for point-of-load (POL) applications.  
- It integrates two high-efficiency PWM controllers with MOSFET drivers, enabling compact power solutions.  
- Suitable for applications requiring precise voltage regulation, such as telecom, networking, and industrial systems.  

### **Features:**  
- **Dual Independent Outputs:** Two fully adjustable regulators in a single package.  
- **Integrated MOSFET Drivers:** Reduces external component count.  
- **Programmable Soft-Start:** Prevents inrush current at startup.  
- **Overcurrent Protection (OCP):** Safeguards against excessive load conditions.  
- **Power-Good Indicators:** Monitors output status for each channel.  
- **Synchronous Rectification:** Enhances efficiency by reducing conduction losses.  
- **Thermal Shutdown:** Protects the device from overheating.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

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