100mA, Low Noise, LDO Micropower Regulators in TSOT-23 The LT1761IS5-2.5#PBF is a low dropout (LDO) linear regulator manufactured by **Linear Technology (now part of Analog Devices)**.  

### **Specifications:**  
- **Output Voltage:** 2.5V (fixed)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** 2.7V to 20V  
- **Quiescent Current:** 30µA (typical)  
- **Shutdown Current:** <1µA  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.04%/mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions & Features:**  
- **Low Noise:** Optimized for sensitive applications.  
- **Low Dropout:** Operates with very small headroom voltage.  
- **Low Quiescent Current:** Ideal for battery-powered systems.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors (≥2.2µF).  
- **Shutdown Mode:** Reduces power consumption when disabled.  
- **Reverse Battery Protection:** Protects against reverse polarity.  
- **Thermal Overload Protection:** Prevents damage from excessive heat.  
- **Short-Circuit Protected:** Enhances reliability in fault conditions.  

This regulator is commonly used in **portable devices, battery-powered systems, and noise-sensitive applications**.

100mA, Low Noise, LDO Micropower Regulators in TSOT-23