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UC2543DW

Power Supply Supervisory Circuit

Partnumber Manufacturer Quantity Availability
UC2543DW 112 In Stock

Description and Introduction

Power Supply Supervisory Circuit The UC2543DW is a high-performance switching regulator controller IC. Below are its key specifications, descriptions, and features based on available data:

### **Manufacturer:**  
Texas Instruments (formerly Unitrode)  

### **Description:**  
The UC2543DW is a pulse-width modulation (PWM) controller designed for high-efficiency DC-DC power supply applications. It is optimized for use in switching regulators, offering precise control and protection features.  

### **Key Features:**  
- **Operating Voltage Range:** 8V to 40V  
- **Output Drive Current:** Up to 200mA (peak)  
- **Switching Frequency:** Adjustable up to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 1MHz (typical)  
- **Soft-Start Capability**  
- **Undervoltage Lockout (UVLO) Protection**  
- **Current Limiting and Overcurrent Protection**  
- **Thermal Shutdown Protection**  
- **Dual Outputs for Push-Pull or Half-Bridge Configurations**  
- **Available in SOIC-16 (DW) Package**  

### **Applications:**  
- Switch-mode power supplies (SMPS)  
- DC-DC converters  
- Power inverters  
- Industrial and automotive power systems  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official datasheet.

Partnumber Manufacturer Quantity Availability
UC2543DW TI 1950 In Stock

Description and Introduction

Power Supply Supervisory Circuit The UC2543DW is a switching regulator controller manufactured by Texas Instruments (TI).  

**Specifications:**  
- **Function:** Switching Regulator Controller  
- **Topology:** Buck, Boost, Flyback, Forward  
- **Output Type:** Adjustable  
- **Output Voltage Range:** Adjustable (depends on external components)  
- **Output Current:** Depends on external MOSFETs  
- **Frequency Range:** Up to 500 kHz  
- **Input Voltage Range:** 8V to 40V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16 (DW)  

**Descriptions and Features:**  
- Designed for high-efficiency power supply applications.  
- Supports multiple topologies including buck, boost, flyback, and forward converters.  
- Adjustable output voltage via external resistors.  
- Includes an onboard oscillator with programmable frequency.  
- Features pulse-width modulation (PWM) control.  
- Provides overcurrent protection and thermal shutdown.  
- Suitable for industrial, automotive, and telecom applications.  

For detailed electrical characteristics, refer to the official TI datasheet.

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