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ISL6421ER from INTESIL

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ISL6421ER

Manufacturer: INTESIL

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

Partnumber Manufacturer Quantity Availability
ISL6421ER INTESIL 60 In Stock

Description and Introduction

Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs The ISL6421ER is a manufacturer part from Intersil (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Intersil (now Renesas Electronics)  
- **Part Number:** ISL6421ER  
- **Type:** Synchronous Buck PWM Controller  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Output Current:** Up to 20A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead QSOP  

### **Descriptions:**  
The ISL6421ER is a high-performance synchronous buck PWM controller designed for DC-DC voltage regulation applications. It provides precise output voltage control and is suitable for powering processors, FPGAs, and other high-current loads. The device supports adjustable switching frequency and incorporates protection features such as overcurrent and undervoltage lockout (UVLO).  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 28V)**  
- **Adjustable Output Voltage (as low as 0.8V)**  
- **Programmable Switching Frequency (300kHz to 1MHz)**  
- **High-Efficiency Synchronous Operation**  
- **Integrated MOSFET Drivers**  
- **Overcurrent Protection (OCP)**  
- **Undervoltage Lockout (UVLO)**  
- **Soft-Start Functionality**  
- **Thermal Shutdown Protection**  
- **16-Lead QSOP Package for Compact Designs**  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application notes, refer to the official datasheet from Renesas Electronics.

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