Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications with Output Voltages [Less_Than_Or_Equal] ... The LP2985IM5X-135 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 1.35V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** 2.5V to 16V  
- **Low Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5 (IM5X)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Accuracy:** ±1.5% (over line, load, and temperature)  

### **Descriptions and Features:**  
- **Ultra-Low Dropout:** Ensures stable operation even with small input-output differentials.  
- **Low Noise:** Optimized for noise-sensitive applications.  
- **Thermal and Overcurrent Protection:** Built-in safeguards for reliability.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors (≥1µF).  
- **Applications:** Battery-powered devices, portable electronics, and noise-sensitive analog circuits.  

This regulator is designed for precision voltage regulation in space-constrained applications.