VERY LOW DROP VOLTAGE REGULATOR WITH INHIBIT FUNCTION The LM2931BDT33 is a low-dropout voltage regulator manufactured by STMicroelectronics.  

**Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 100mA  
- **Dropout Voltage:** 0.4V (typical at full load)  
- **Input Voltage Range:** 4V to 26V  
- **Low Quiescent Current:** 1mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-252 (DPAK)  

**Descriptions:**  
The LM2931BDT33 is designed for applications requiring a stable 3.3V supply with low dropout voltage. It features reverse battery protection, thermal shutdown, and current limiting for enhanced reliability.  

**Features:**  
- Low dropout voltage  
- Reverse battery protection  
- Thermal shutdown protection  
- Short-circuit current limiting  
- Stable with low-ESR capacitors  
- Suitable for automotive and industrial applications  

This regulator is commonly used in power-sensitive systems where efficiency and reliability are critical.

VERY LOW DROP VOLTAGE REGULATOR WITH INHIBIT FUNCTION