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ISL6421AERZ from INTERSIL

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ISL6421AERZ

Manufacturer: INTERSIL

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

Partnumber Manufacturer Quantity Availability
ISL6421AERZ INTERSIL 463 In Stock

Description and Introduction

Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs The ISL6421AERZ is a dual LDO (Low Dropout) voltage 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:** 2.85V to 6.5V  
- **Output Voltage Range:** Adjustable from 0.8V to 5.5V (for both regulators)  
- **Output Current:** Up to 300mA per channel  
- **Dropout Voltage:** 300mV (typical) at 300mA load  
- **Quiescent Current:** 75µA (typical) per channel  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-Lead DFN (3mm x 3mm)  

### **Descriptions:**
- The ISL6421AERZ is a dual-output, low-dropout linear regulator designed for applications requiring precise voltage regulation.  
- It features independent enable controls for each regulator, allowing flexible power management.  
- The device is optimized for low noise and high PSRR (Power Supply Rejection Ratio), making it suitable for noise-sensitive applications.  

### **Features:**
- **Dual Independent LDOs:** Two separate regulators in a single package.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Enhances power efficiency in battery-operated systems.  
- **High PSRR:** >60dB at 1kHz for improved noise rejection.  
- **Overcurrent & Thermal Protection:** Safeguards against fault conditions.  
- **Enable Control:** Independent enable pins for each regulator.  

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

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