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ISL6401CB from INTERSIL

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ISL6401CB

Manufacturer: INTERSIL

Synchronizing Current Mode PWM for Subscriber Line Interface Circuits (SLICs)

Partnumber Manufacturer Quantity Availability
ISL6401CB INTERSIL 3950 In Stock

Description and Introduction

Synchronizing Current Mode PWM for Subscriber Line Interface Circuits (SLICs) The ISL6401CB is a synchronous buck PWM controller manufactured by INTERSIL (now part of Renesas Electronics). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** 300kHz (fixed)  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SOIC  

### **Descriptions:**  
- The ISL6401CB is a high-performance, synchronous buck PWM controller designed for DC-DC voltage regulation.  
- It integrates control, monitoring, and protection features to efficiently drive N-channel MOSFETs in synchronous rectification topologies.  
- Suitable for applications requiring precise voltage regulation, such as telecom, networking, and industrial power supplies.  

### **Features:**  
- **Voltage Mode Control:** Provides stable and accurate output regulation.  
- **Synchronous Rectification:** Improves efficiency by reducing conduction losses.  
- **Soft-Start:** Prevents inrush current during startup.  
- **Overcurrent Protection:** Uses external current sensing for fault detection.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within input voltage limits.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Adjustable Output Voltage:** Set via external resistor divider.  

For detailed electrical characteristics and application notes, refer to the official datasheet from Intersil (Renesas).

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