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IR3637S from IOR,International Rectifier

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IR3637S

Manufacturer: IOR, IR

Controller IC is designed to provide a simple synchronous Buck regulator for on-board DC to DC applications in a small 8-pin SOIC.

Partnumber Manufacturer Quantity Availability
IR3637S IOR, IR 2386 In Stock

Description and Introduction

Controller IC is designed to provide a simple synchronous Buck regulator for on-board DC to DC applications in a small 8-pin SOIC. The part IR3637S is manufactured by IOR (International Rectifier). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** IOR (International Rectifier)  
- **Part Number:** IR3637S  
- **Type:** Power MOSFET  
- **Technology:** HEXFET® (High-Efficiency MOSFET)  
- **Voltage Rating:** Typically rated for high-voltage applications (exact voltage depends on variant)  
- **Current Rating:** High current handling capability  
- **Package:** TO-263 (D2PAK) surface-mount package  
- **RDS(ON):** Low on-resistance for reduced conduction losses  
- **Gate Charge:** Optimized for fast switching  

### **Descriptions:**  
The IR3637S is a high-performance power MOSFET designed for efficient power management in switching applications. It is part of IOR's HEXFET® family, known for low conduction and switching losses.  

### **Features:**  
- **Low On-Resistance (RDS(ON)):** Enhances efficiency in power conversion.  
- **Fast Switching:** Minimizes switching losses in high-frequency applications.  
- **High Current Capability:** Suitable for demanding power circuits.  
- **Thermally Enhanced Package:** TO-263 (D2PAK) for better heat dissipation.  
- **Reliable Performance:** Robust design for industrial and automotive applications.  

For exact voltage, current, and other electrical parameters, refer to the official datasheet from IOR.

Application Scenarios & Design Considerations

Controller IC is designed to provide a simple synchronous Buck regulator for on-board DC to DC applications in a small 8-pin SOIC.

Alternative Part Number

  • TPS40305DRCR --: Synchronous buck controller with similar input range and current-mode control, widely available and pin-compatible in function.
  • LTC3855EUH --: High-performance synchronous step-down controller offering comparable gate drive and feedback architecture.
  • ISL6545CBZ --: Single-phase synchronous buck PWM controller with similar voltage-mode operation and compact package.
  • TPS40170RGYR --: Wide-input synchronous buck controller with comparable gate-drive and feedback features; different vendor and series, suitable when layout and compensation can be adjusted.
  • LTC3851AEMS --: High-performance synchronous step-down controller with similar control scheme and package options; a robust alternative when higher accuracy and transient response are needed.

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