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L4957AD3.3TR from ST,ST Microelectronics

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L4957AD3.3TR

Manufacturer: ST

UP TO 5A ULTRA LOW DROP OUPUT LINEAR REGULATOR

Partnumber Manufacturer Quantity Availability
L4957AD3.3TR,L4957AD33TR ST 40 In Stock

Description and Introduction

UP TO 5A ULTRA LOW DROP OUPUT LINEAR REGULATOR The part **L4957AD3.3TR** is a **low-dropout (LDO) voltage regulator** manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 150mA  
- **Dropout Voltage:** Typically 0.4V at full load  
- **Input Voltage Range:** Up to 40V  
- **Low Quiescent Current:** Typically 300µA  
- **Low Standby Current:** < 10µA (in OFF mode)  
- **Protection Features:**  
  - Thermal shutdown  
  - Short-circuit protection  
  - Reverse polarity protection  
- **Package:** **TO-252 (DPAK)** (Surface-mount)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions and Features:**  
- Designed for automotive and industrial applications.  
- Stable with low-ESR ceramic capacitors.  
- Includes an enable (ON/OFF) pin for power management.  
- High accuracy (±2% over temperature).  
- Suitable for harsh environments due to robust protection features.  

This regulator is optimized for **low-power, high-reliability applications** where stable voltage regulation is critical.

Application Scenarios & Design Considerations

UP TO 5A ULTRA LOW DROP OUPUT LINEAR REGULATOR

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