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IR3651S from IR,International Rectifier

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IR3651S

Manufacturer: IR

Controller IC is a high voltage PWM Controller designed for high performance synchronous Buck DC to DC applications in a 14-pin SOIC.

Partnumber Manufacturer Quantity Availability
IR3651S IR 827 In Stock

Description and Introduction

Controller IC is a high voltage PWM Controller designed for high performance synchronous Buck DC to DC applications in a 14-pin SOIC. The IR3651S is a synchronous buck PWM controller manufactured by International Rectifier (IR). Below are the key specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:** International Rectifier (IR)  
### **Part Number:** IR3651S  

### **Description:**  
The IR3651S is a high-performance synchronous buck PWM controller designed for DC-DC voltage regulator applications. It provides precise voltage regulation and high efficiency for power supply designs.  

### **Key Features:**  
- **Input Voltage Range:** 4.5V to 24V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Adjustable up to 1MHz  
- **High Efficiency:** Synchronous rectification for improved power conversion  
- **Integrated MOSFET Drivers:** Supports high-side and low-side N-channel MOSFETs  
- **Adjustable Soft-Start:** Reduces inrush current during startup  
- **Overcurrent Protection (OCP):** Prevents damage due to excessive load current  
- **Overvoltage Protection (OVP):** Safeguards against output voltage spikes  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits  
- **Thermal Shutdown:** Protects the IC from overheating  
- **Programmable Compensation:** Allows optimization of control loop stability  
- **Synchronization Capability:** Can sync to an external clock  

### **Applications:**  
- Point-of-load (POL) regulators  
- Industrial power supplies  
- Telecom and networking equipment  
- Embedded computing systems  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official IR3651S datasheet.

Application Scenarios & Design Considerations

Controller IC is a high voltage PWM Controller designed for high performance synchronous Buck DC to DC applications in a 14-pin SOIC.

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