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ISL6439AIB from INTERSIL

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ISL6439AIB

Manufacturer: INTERSIL

Single Sync Buck PWM Controller for Broadband Gateway Applications

Partnumber Manufacturer Quantity Availability
ISL6439AIB INTERSIL 808 In Stock

Description and Introduction

Single Sync Buck PWM Controller for Broadband Gateway Applications The ISL6439AIB is a power management IC manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 5.5V  
- **Output Voltage Range:** Adjustable (supports multiple outputs)  
- **Switching Frequency:** Up to 1MHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 28-Lead QFN (Quad Flat No-Lead)  
- **Regulation Accuracy:** ±1% (typical)  

### **Descriptions:**
- The ISL6439AIB is a high-efficiency, multi-output PWM controller designed for powering high-performance processors and ASICs.  
- It integrates synchronous buck controllers and linear regulators to provide precise voltage regulation.  
- Suitable for applications requiring tightly regulated power supplies, such as servers, networking equipment, and telecom systems.  

### **Features:**
- **Dual Synchronous Buck Controllers:** Supports two independent PWM outputs.  
- **Integrated MOSFET Drivers:** Reduces external component count.  
- **Programmable Soft-Start:** Prevents inrush current during startup.  
- **Overcurrent and Overvoltage Protection:** Enhances system reliability.  
- **Power-Good Output:** Monitors output voltage status.  
- **Adjustable Switching Frequency:** Allows optimization for efficiency and noise.  

For detailed datasheets or application notes, refer to official documentation from Renesas Electronics (formerly INTERSIL).

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