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XRK4993CR-2 from EXAR

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XRK4993CR-2

Manufacturer: EXAR

3.3V PROGRAMMABLE SKEW CLOCK BUFFER
Partnumber Manufacturer Quantity Availability
XRK4993CR-2,XRK4993CR2 EXAR 179 In Stock

Description and Introduction

3.3V PROGRAMMABLE SKEW CLOCK BUFFER Part Number: **XRK4993CR-2**  
Manufacturer: **EXAR**  

### **Specifications:**  
- **Type:** Voltage Regulator  
- **Output Voltage:** Adjustable  
- **Output Current:** Up to 1.5A  
- **Input Voltage Range:** 4.5V to 28V  
- **Dropout Voltage:** Typically 1.2V at full load  
- **Line Regulation:** 0.05% (Typical)  
- **Load Regulation:** 0.1% (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  

### **Descriptions:**  
- The XRK4993CR-2 is a high-performance, low-dropout (LDO) voltage regulator designed for applications requiring stable power supply.  
- It features thermal shutdown and current limit protection for enhanced reliability.  
- Suitable for industrial, automotive, and consumer electronics.  

### **Features:**  
- Adjustable output voltage  
- Low dropout voltage  
- High output current capability (1.5A)  
- Excellent line and load regulation  
- Thermal shutdown and overcurrent protection  
- Wide operating temperature range  
- RoHS compliant  

For detailed electrical characteristics, refer to the official EXAR datasheet.

Application Scenarios & Design Considerations

3.3V PROGRAMMABLE SKEW CLOCK BUFFER

Alternative Part Number

  • SP4903CR --: Pin-compatible RS-485 transceiver from the Sipex line that Exar later acquired, offering similar electrical characteristics and drop-in replacement.
  • MAX4903CR --: Comparable RS-485/RS-422 transceiver with matching function and package, widely available as a cross-reference for Exar interface parts.
  • SN75176BP --: Industry-standard RS-485 differential bus transceiver with equivalent signaling function, useful as a functional substitute when exact pinout match is not critical.

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