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SI9181DQ-AD-T1-E3 from VISHAY

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SI9181DQ-AD-T1-E3

Manufacturer: VISHAY

Micropower 350-mA CMOS LDO Regulator With Error Flag/Power-On-Reset
Partnumber Manufacturer Quantity Availability
SI9181DQ-AD-T1-E3,SI9181DQADT1E3 VISHAY 21000 In Stock

Description and Introduction

Micropower 350-mA CMOS LDO Regulator With Error Flag/Power-On-Reset **Manufacturer:** VISHAY  

**Part Number:** SI9181DQ-AD-T1-E3  

### **Specifications:**  
- **Type:** Power Management IC (PMIC)  
- **Function:** Synchronous Buck Regulator  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable (0.6V to 5.5V)  
- **Output Current:** Up to 6A  
- **Switching Frequency:** 300kHz to 2MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** PowerPAK® SO-8 (5mm x 6mm)  
- **Protection Features:** Overcurrent, Overtemperature, Undervoltage Lockout (UVLO)  

### **Descriptions:**  
The SI9181DQ-AD-T1-E3 is a high-efficiency, synchronous step-down DC-DC converter designed for power management applications. It provides a compact and flexible solution for regulating voltage in various electronic systems.  

### **Features:**  
- High-efficiency synchronous rectification  
- Adjustable output voltage  
- Wide input voltage range  
- Programmable switching frequency  
- Integrated MOSFETs for reduced external components  
- Thermal shutdown and current limit protection  
- Low dropout operation  
- RoHS compliant  

This IC is suitable for applications in industrial, automotive, and consumer electronics.

Application Scenarios & Design Considerations

Micropower 350-mA CMOS LDO Regulator With Error Flag/Power-On-Reset

Alternative Part Number

  • TPS73601DBVR --: Adjustable low-dropout linear regulator with similar current capability and SOT-23-5 package, widely available and pin-compatible in function.
  • LP2985AIM5-ADJ --: Adjustable LDO regulator in SOT-23-5 with comparable dropout and output current, suitable drop-in functional replacement.
  • MIC5205-ADJYM5 --: Adjustable LDO in SOT-23-5 with similar voltage range and current rating, a common alternative for this regulator class.

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