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IRU3034 from IRF,International Rectifier

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IRU3034

Manufacturer: IRF

8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING

Partnumber Manufacturer Quantity Availability
IRU3034 IRF 150 In Stock

Description and Introduction

8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING The IRU3034 is a power management IC manufactured by International Rectifier (IRF). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable from 0.8V to 25V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SOIC-8  

### **Descriptions:**  
- The IRU3034 is a synchronous buck regulator designed for high-efficiency step-down DC-DC conversion.  
- It integrates both high-side and low-side MOSFETs for compact power supply solutions.  
- Suitable for a wide range of applications, including industrial, automotive, and computing systems.  

### **Features:**  
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Output Voltage:** Via external resistor divider.  
- **Adjustable Switching Frequency:** Allows optimization for efficiency and component size.  
- **Overcurrent Protection (OCP):** Prevents damage during overload conditions.  
- **Thermal Shutdown:** Protects the IC from overheating.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  

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

Application Scenarios & Design Considerations

8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING

Alternative Part Number

  • LM3485MM --: Simple buck controller in the same low-pin-count controller class; widely available and easy to source as a functional substitute for IRU3034-based designs.
  • MAX1775EEE --: Step-down controller with comparable input range and gate drive capability, suitable as a cross-manufacturer alternative when layout is adjusted.
  • NCP1587DR2G --: Synchronous buck controller offering similar voltage-mode control and current handling, providing a cost-effective alternate source.
Partnumber Manufacturer Quantity Availability
IRU3034 IR 405 In Stock

Description and Introduction

8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING The part IRU3034 is a voltage regulator IC manufactured by International Rectifier (IR). Below are the manufacturer's IR specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.8V to 5.5V (adjustable)  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 300kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-8  

### **Descriptions:**  
The IRU3034 is a synchronous buck regulator designed for high-efficiency step-down DC-DC conversion. It integrates low-side and high-side MOSFETs to minimize external component count and improve power efficiency.  

### **Features:**  
- **Integrated Power MOSFETs** (reduces external components)  
- **Adjustable Output Voltage** (via external resistors)  
- **Overcurrent Protection**  
- **Thermal Shutdown Protection**  
- **Soft-Start Function** (prevents inrush current)  
- **Low Quiescent Current** (improves efficiency at light loads)  

This information is based on the manufacturer's datasheet for the IRU3034.

Application Scenarios & Design Considerations

8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING

Alternative Part Number

  • LM3489 --: Widely used synchronous buck controller with comparable input range and gate drive, easy drop-in for many IRU3034 designs.
  • ISL6520 --: Single-phase synchronous buck PWM controller with similar voltage-mode control and 5V/12V operation, good functional match.
  • NCP1587 --: Low-cost synchronous buck controller with comparable switching frequency and drive capability, suitable alternative when exact IR part is unavailable.
Partnumber Manufacturer Quantity Availability
IRU3034 IOR 2022 In Stock

Description and Introduction

8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING The part IRU3034 is manufactured by IOR (International Rectifier). Below are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Type:** Schottky Rectifier Diode  
- **Voltage Rating (VRRM):** 30V  
- **Current Rating (IO):** 30A (average forward current)  
- **Peak Forward Surge Current (IFSM):** 300A  
- **Forward Voltage Drop (VF):** 0.55V (typical at 15A)  
- **Reverse Leakage Current (IR):** 0.5mA (typical at 30V)  
- **Operating Temperature Range:** -65°C to +175°C  
- **Package:** TO-220AB  

### **Descriptions:**  
- The IRU3034 is a high-efficiency Schottky rectifier designed for low-voltage, high-frequency applications.  
- It is commonly used in power supplies, DC-DC converters, and reverse polarity protection circuits.  

### **Features:**  
- **Low Forward Voltage Drop:** Enhances efficiency in power conversion.  
- **High Current Capability:** Suitable for high-power applications.  
- **Fast Switching:** Minimizes switching losses in high-frequency circuits.  
- **High Surge Current Capacity:** Ensures reliability under transient conditions.  
- **Lead-Free & RoHS Compliant:** Meets environmental standards.  

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

Application Scenarios & Design Considerations

8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING

Alternative Part Number

  • LM3489 --: Widely available synchronous buck controller with comparable voltage-mode architecture and gate drive, suitable drop-in for many IRU3034 designs.
  • TPS40170 --: Modern synchronous buck controller offering similar input range and programmable switching frequency, with better efficiency and documentation support.
  • ISL6545 --: Single-phase synchronous buck PWM controller with similar functionality and pin-compatible footprint options for legacy IRU3034 applications.

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