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L3845D from ST,ST Microelectronics

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15.137ms

L3845D

Manufacturer: ST

TRUNK INTERFACE

Partnumber Manufacturer Quantity Availability
L3845D ST 495 In Stock

Description and Introduction

TRUNK INTERFACE The L3845D is a switching regulator controller manufactured by STMicroelectronics.  

### **Specifications:**  
- **Input Voltage Range:** 8V to 40V  
- **Output Voltage:** Adjustable  
- **Switching Frequency:** Up to 500kHz  
- **Output Current:** Up to 5A (with external MOSFET)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-8  

### **Descriptions:**  
- The L3845D is a high-performance current-mode PWM controller designed for DC-DC converter applications.  
- It features an internal oscillator, error amplifier, and current-sensing comparator for precise control.  
- Includes under-voltage lockout (UVLO) and thermal shutdown protection.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Low Standby Current:** Enhances efficiency in light-load conditions.  
- **Protection Features:** Overcurrent, undervoltage, and thermal shutdown.  

This information is based on STMicroelectronics' official datasheet for the L3845D.

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