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LF33AB from ST,ST Microelectronics

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LF33AB

Manufacturer: ST

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

Partnumber Manufacturer Quantity Availability
LF33AB ST 10000 In Stock

Description and Introduction

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT The LF33AB is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 0.45V (typical at 500mA)  
- **Input Voltage Range:** Up to 16V  
- **Line Regulation:** 0.04% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 5mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** TO-220, D²PAK, TO-252 (DPAK)  

### **Descriptions:**  
- The LF33AB is a positive voltage regulator designed to provide a stable 3.3V output with low dropout voltage.  
- It includes internal current limiting and thermal shutdown protection.  
- Suitable for battery-powered and industrial applications requiring a regulated 3.3V supply.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Thermal Protection:** Prevents damage due to excessive temperature.  
- **Short-Circuit Protection:** Safeguards against output short circuits.  
- **No External Components Required:** Only input and output capacitors are needed for stability.  
- **Wide Input Voltage Range:** Supports operation from various power sources.  

This information is based on STMicroelectronics' official documentation for the LF33AB. For detailed electrical characteristics, refer to the datasheet.

Application Scenarios & Design Considerations

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

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