Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages The LTC1728ES5-1.8#PBF is a low-power, high-performance voltage regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage:** 1.8V (fixed)  
- **Input Voltage Range:** 2.5V to 6V  
- **Output Current:** Up to 300mA  
- **Dropout Voltage:** 150mV (typical at 100mA load)  
- **Quiescent Current:** 30µA (typical)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +85°C  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.04%/mA (typical)  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
- The LTC1728 is a low-dropout (LDO) linear regulator designed for battery-powered applications.  
- It provides a stable 1.8V output with very low quiescent current, making it ideal for portable devices.  
- Features reverse-battery protection and thermal shutdown.  

### **Features:**  
- Low dropout voltage (150mV typical)  
- Ultra-low quiescent current (30µA)  
- Stable with low-ESR ceramic capacitors  
- Reverse-battery protection  
- Thermal shutdown protection  
- Short-circuit protected  
- No external components required for stability  

This regulator is commonly used in battery-operated devices, portable electronics, and embedded systems requiring a stable 1.8V supply.

Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages