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IRU3033CS from IR,International Rectifier

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IRU3033CS

Manufacturer: IR, IOR

8 Pin PWM Switcher/Linear CIC in a 8-Pin SOIC(NB) package

Partnumber Manufacturer Quantity Availability
IRU3033CS IR, IOR 24735 In Stock

Description and Introduction

8 Pin PWM Switcher/Linear CIC in a 8-Pin SOIC(NB) package The IRU3033CS is a voltage regulator IC manufactured by IOR (Integrated Operational Research). Below are the specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 24V  
- **Output Voltage Range:** Adjustable from 0.8V to 20V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 340kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SOP-8  

### **Descriptions:**  
- The IRU3033CS is a step-down (buck) DC-DC converter with an integrated high-side MOSFET.  
- It is designed for high-efficiency power conversion in applications such as industrial, automotive, and consumer electronics.  
- The device includes features like soft-start, over-current protection (OCP), and thermal shutdown for reliable operation.  

### **Features:**  
- **Adjustable Output Voltage** (via external resistors)  
- **Integrated Power MOSFET** (reduces external component count)  
- **PWM Control Mode** for stable performance  
- **Over-Current Protection (OCP)**  
- **Thermal Shutdown Protection**  
- **Soft-Start Function** (reduces inrush current)  
- **Wide Input Voltage Range** (4.5V to 24V)  
- **High Efficiency** (up to 95%)  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

8 Pin PWM Switcher/Linear CIC in a 8-Pin SOIC(NB) package

Alternative Part Number

  • LM3485MM --: Simple buck controller in an MSOP package with comparable input voltage range and gate drive, suitable as a functional substitute for the IRU3033CS controller.
  • MAX1653ESE --: Low-voltage synchronous buck controller with similar current-mode architecture and SOIC package, usable as an alternative with minor circuit adjustments.
  • NCP1587DR2G --: Single-phase synchronous buck controller offering comparable switching control and SOIC footprint, a practical cross for the IRU3033CS.
  • MAX1632CAI --: Dual-output synchronous buck controller offering comparable switching frequency and gate drive, suitable as a functional substitute in similar power-supply designs.
  • ISL6520ACBZ --: Single-phase synchronous buck PWM controller with similar input range and MOSFET drive strength, usable as an alternative with minor layout adjustments.

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