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L4957D2.5 from ST,ST Microelectronics

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L4957D2.5

Manufacturer: ST

UP TO 4A ULDO LINEAR REGULATOR

Partnumber Manufacturer Quantity Availability
L4957D2.5,L4957D25 ST 12000 In Stock

Description and Introduction

UP TO 4A ULDO LINEAR REGULATOR The part **L4957D2.5** is a **low-dropout (LDO) voltage regulator** manufactured by **STMicroelectronics (ST)**.  

### **Key Specifications:**  
- **Output Voltage:** 2.5V (fixed)  
- **Output Current:** Up to 150 mA  
- **Dropout Voltage:** Typically 0.4V at full load  
- **Input Voltage Range:** Up to 28V  
- **Low Quiescent Current:** Typically 1.6 mA  
- **Protection Features:**  
  - Thermal shutdown  
  - Short-circuit protection  
  - Reverse polarity protection  
- **Package:** TO-220 (3 pins)  

### **Features:**  
- **High Input Voltage Capability** (up to 28V)  
- **Low Dropout Voltage** (suitable for battery-powered applications)  
- **Low Quiescent Current** (improves efficiency)  
- **Internal Current and Thermal Limiting** (enhanced reliability)  
- **Stable with Low-ESR Capacitors** (simplifies design)  

### **Applications:**  
- Automotive systems  
- Industrial controls  
- Battery-powered devices  
- Power management circuits  

This regulator is designed for **high-reliability applications** where stable voltage regulation is critical.

Application Scenarios & Design Considerations

UP TO 4A ULDO LINEAR REGULATOR

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