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UC1543L from TEXAS

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UC1543L

Manufacturer: TEXAS

Power Supply Supervisory Circuit

Partnumber Manufacturer Quantity Availability
UC1543L TEXAS 200 In Stock

Description and Introduction

Power Supply Supervisory Circuit The UC1543L is a high-speed PWM controller manufactured by Texas Instruments (TEXAS). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current (Source/Sink):** 200mA (peak)  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-16  

### **Descriptions:**  
The UC1543L is a high-performance pulse-width modulation (PWM) controller designed for power supply applications. It provides precise regulation and high-speed switching capabilities, making it suitable for DC-DC converters, inverters, and other power management systems.  

### **Features:**  
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Wide Input Voltage Range:** Operates from 4.5V to 40V.  
- **Adjustable Dead-Time Control:** Allows optimization of power efficiency.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Error Amplifier:** Includes an on-board error amplifier for feedback control.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **Current Limiting Protection:** Enhances system reliability.  

This information is based on the manufacturer's datasheet and technical documentation.

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