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L4970A from STM,ST Microelectronics

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L4970A

Manufacturer: STM

10A SWITCHING REGULATOR

Partnumber Manufacturer Quantity Availability
L4970A STM 40000 In Stock

Description and Introduction

10A SWITCHING REGULATOR The L4970A is a step-down monolithic power switching regulator manufactured by STMicroelectronics (STM).  

### **Specifications:**  
- **Input Voltage Range:** 8V to 55V  
- **Output Voltage:** Adjustable from 3.3V to 50V  
- **Output Current:** Up to 10A  
- **Switching Frequency:** 200kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +150°C (junction temperature)  
- **Package:** Multiwatt15 (through-hole)  

### **Descriptions & Features:**  
- **Monolithic Design:** Integrates a DMOS power switch, PWM controller, and protection circuits.  
- **Voltage Regulation:** Adjustable output via external resistors.  
- **Protection Features:**  
  - Overcurrent protection  
  - Thermal shutdown  
  - Undervoltage lockout (UVLO)  
  - Soft-start function  
- **High Efficiency:** Optimized for minimal power loss.  
- **Fixed Frequency Operation:** Reduces noise and simplifies filtering.  
- **Wide Input Voltage Range:** Suitable for automotive and industrial applications.  

This regulator is commonly used in power supplies, industrial systems, and automotive electronics.

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