100mA, Low Noise, LDO Micropower Regulators in TSOT-23 The LT1761ES5-1.5#TRPBF is a low dropout (LDO) linear regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage:** 1.5V (fixed)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** 2.3V to 20V  
- **Quiescent Current:** 30µA (typical)  
- **Load Regulation:** 0.05% (typical)  
- **Line Regulation:** 0.02% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions & Features:**  
- **Low Noise:** Optimized for noise-sensitive applications.  
- **Low Dropout:** Operates with very small headroom voltage.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors (≥1µF).  
- **Protection Features:** Includes reverse-battery protection, current limiting, and thermal shutdown.  
- **Low Quiescent Current:** Ideal for battery-powered applications.  
- **Fast Transient Response:** Suitable for dynamic load conditions.  

This regulator is commonly used in portable electronics, battery-powered systems, and noise-sensitive analog circuits.