150-mA Ultra Low-Noise LDO Regulator With Discharge Option The part **SI91841DT-29-T1** is manufactured by **Vishay**. Below are the factual details from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Vishay  
- **Part Number:** SI91841DT-29-T1  
- **Category:** Semiconductor - Power Management ICs  
- **Type:** Voltage Regulator  
- **Output Type:** Adjustable  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Output Current:** Up to 4A  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Switching Frequency:** 2.2MHz (typical)  
- **Package:** PowerPAK® SO-8  
- **Operating Temperature Range:** -40°C to +125°C  
- **Efficiency:** Up to 95%  

### **Descriptions and Features:**
- **High-Efficiency Synchronous Buck Regulator:** Designed for high-performance power conversion.  
- **Adjustable Output Voltage:** Allows flexibility for various applications.  
- **Low Dropout Operation:** Maintains regulation even with low input voltages.  
- **Integrated Power MOSFETs:** Reduces external component count.  
- **Fixed-Frequency PWM Control:** Ensures stable operation.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Compact SO-8 Package:** Suitable for space-constrained designs.  

This information is based solely on the manufacturer's specifications. No additional guidance or suggestions are provided.

150-mA Ultra Low-Noise LDO Regulator With Discharge Option