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IRU3038CF from IOR,International Rectifier

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IRU3038CF

Manufacturer: IOR

14 Pin Synchronous PWM Controller in a 14 pin TSSOP package

Partnumber Manufacturer Quantity Availability
IRU3038CF IOR 431 In Stock

Description and Introduction

14 Pin Synchronous PWM Controller in a 14 pin TSSOP package The IRU3038CF is a step-down DC-DC converter manufactured by IOR (Integrated Operational Resources). Here are the specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** 0.8V to 25V (adjustable)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TO-263-5 (D²PAK)  

### **Descriptions:**  
- The IRU3038CF is a synchronous buck regulator designed for high-efficiency step-down voltage conversion.  
- It integrates both high-side and low-side MOSFETs for compact and efficient power management.  
- Suitable for applications requiring stable and adjustable DC voltage with high current capability.  

### **Features:**  
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Output:** Set via external resistors.  
- **Overcurrent Protection:** Prevents damage from excessive load.  
- **Thermal Shutdown:** Protects against overheating.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Wide Input Voltage Range:** Supports various power sources.  

For exact technical details, refer to the official datasheet from IOR.

Application Scenarios & Design Considerations

14 Pin Synchronous PWM Controller in a 14 pin TSSOP package

Alternative Part Number

  • LM3478MM --: Widely available low-side N-channel MOSFET controller with similar boost/flyback topology and current-mode control, suitable as a functional substitute.
  • UC3843AN --: Classic current-mode PWM controller in DIP-8 with comparable drive and compensation features, commonly used to replace older IOR controllers.
  • SG3524N --: General-purpose PWM controller with dual outputs and voltage-mode control, usable in many similar power supply designs when minor circuit adjustments are acceptable.
Partnumber Manufacturer Quantity Availability
IRU3038CF IRF 20 In Stock

Description and Introduction

14 Pin Synchronous PWM Controller in a 14 pin TSSOP package The IRU3038CF is a power MOSFET manufactured by International Rectifier (IRF).  

**Specifications:**  
- **Voltage Rating (VDS):** 30V  
- **Current Rating (ID):** 120A  
- **Power Dissipation (PD):** 200W  
- **Gate Threshold Voltage (VGS(th)):** 1V to 2V  
- **RDS(on) (Max):** 3.8mΩ at VGS = 10V  
- **Package:** TO-220  

**Features:**  
- Low on-resistance (RDS(on))  
- High current handling capability  
- Fast switching performance  
- Avalanche energy rated  
- Suitable for power management applications  

**Applications:**  
- DC-DC converters  
- Motor control  
- Power supplies  
- Battery management systems  

(Source: International Rectifier datasheet)

Application Scenarios & Design Considerations

14 Pin Synchronous PWM Controller in a 14 pin TSSOP package

Alternative Part Number

  • ISL6520ACBZ --: Single-phase synchronous buck PWM controller with similar voltage-mode architecture and SOIC-8 package; Intersil is the original design lineage for many IR controller parts, making this a close functional drop-in.
  • TPS5430DDA --: Widely available step-down converter with integrated switch, comparable input range and current capability; good substitute when the IRU3038CF controller-plus-external-FET design can be replaced by an integrated solution.
  • LM2678S-ADJ --: Simple switcher buck regulator in a similar power class with adjustable output; easy to source and well documented, suitable as a fallback replacement for the IRU3038CF in non-critical designs.

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