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IRU3046CF from IR,International Rectifier

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IRU3046CF

Manufacturer: IR, IOR

Dual Synchronous PWM Controller with Current sharing Circuitry and LDO Controller in a 24-Pin TSSOP package

Partnumber Manufacturer Quantity Availability
IRU3046CF IR, IOR 1284 In Stock

Description and Introduction

Dual Synchronous PWM Controller with Current sharing Circuitry and LDO Controller in a 24-Pin TSSOP package The IRU3046CF is a high-performance, low-dropout (LDO) voltage regulator designed for applications requiring precise voltage regulation. Below are the manufacturer's specifications, descriptions, and features:  

### **Manufacturer:**  
Infineon Technologies  

### **Key Specifications:**  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Output Voltage Range:** 0.8V to 5.0V (adjustable)  
- **Output Current:** Up to 3A  
- **Dropout Voltage:** 300mV (typical at 3A)  
- **Accuracy:** ±1% over line, load, and temperature  
- **Operating Temperature Range:** -40°C to +125°C  
- **Quiescent Current:** 1.5mA (typical)  

### **Descriptions:**  
- The IRU3046CF is a high-efficiency LDO regulator with low dropout voltage, making it suitable for battery-powered and high-performance applications.  
- It includes overcurrent protection, thermal shutdown, and under-voltage lockout (UVLO) for enhanced reliability.  
- The device is available in a compact, thermally enhanced DFN (Dual Flat No-Lead) package for improved heat dissipation.  

### **Features:**  
- **High Efficiency:** Low dropout voltage minimizes power loss.  
- **Adjustable Output:** External resistors allow flexible voltage setting.  
- **Fast Transient Response:** Ensures stable performance under dynamic load conditions.  
- **Protection Features:** Overcurrent, thermal shutdown, and UVLO.  
- **Low Noise:** Optimized for noise-sensitive applications.  
- **Wide Temperature Range:** Suitable for industrial and automotive environments.  

For detailed electrical characteristics and application notes, refer to the official Infineon datasheet.

Application Scenarios & Design Considerations

Dual Synchronous PWM Controller with Current sharing Circuitry and LDO Controller in a 24-Pin TSSOP package

Alternative Part Number

  • LM5642MTC --: Dual synchronous buck controller with similar two-channel architecture and voltage range, widely available and well documented.
  • ISL6520ACBZ --: Single/dual synchronous buck PWM controller in the same application class, good electrical similarity and availability.
  • TPS40170RGYR --: Versatile synchronous buck controller covering comparable input/output ranges, suitable as a functional replacement with layout changes.
  • TPS51125RGER --: Dual-channel synchronous buck controller with similar function and pin-compatible feature set, widely available and well documented.
  • AP3585MP --: Dual synchronous buck controller suitable as a functional substitute for the IRU3046CF in DC-DC converter designs.

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