IC Phoenix logo

Home ›  I  › I23 > IR3843WMTR1PBF

IR3843WMTR1PBF from IR,International Rectifier

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

IR3843WMTR1PBF

Manufacturer: IR

Highly Efficient Integrated 2A Sync Buck Regulator

Partnumber Manufacturer Quantity Availability
IR3843WMTR1PBF IR 600 In Stock

Description and Introduction

Highly Efficient Integrated 2A Sync Buck Regulator The IR3843WMTR1PBF is a synchronous buck PWM controller manufactured by Infineon Technologies (formerly International Rectifier). Here are its key specifications, descriptions, and features:

### **Manufacturer:**  
Infineon Technologies (IR)  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 24V  
- **Output Voltage Range:** Adjustable down to 0.6V  
- **Switching Frequency:** 300kHz to 1MHz (programmable)  
- **Maximum Duty Cycle:** 95%  
- **Output Current:** Up to 30A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead WQFN (5mm x 5mm)  

### **Descriptions:**  
- The IR3843 is a high-performance synchronous buck PWM controller designed for high-current, low-voltage applications.  
- It integrates advanced control features for precise regulation and high efficiency.  
- Supports both DCR and resistor-based current sensing for accurate current monitoring.  

### **Features:**  
- **Advanced Control Loop:** Voltage-mode control with adaptive on-time for fast transient response.  
- **Programmable Frequency:** Adjustable from 300kHz to 1MHz for optimization of efficiency and component size.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Protection Features:**  
  - Overcurrent protection (OCP)  
  - Overvoltage protection (OVP)  
  - Undervoltage lockout (UVLO)  
  - Thermal shutdown  
- **Synchronization Capability:** Can sync to an external clock.  
- **Low Quiescent Current:** Enhances efficiency in light-load conditions.  

This information is based on Infineon's official datasheet for the IR3843WMTR1PBF.

Application Scenarios & Design Considerations

Highly Efficient Integrated 2A Sync Buck Regulator

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips