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ULN2803A/. from ST,ST Microelectronics

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ULN2803A/.

Manufacturer: ST

High-Voltage, High-Current Darlington Arrays

Partnumber Manufacturer Quantity Availability
ULN2803A/.,ULN2803A ST 100 In Stock

Description and Introduction

High-Voltage, High-Current Darlington Arrays The ULN2803A is a high-voltage, high-current Darlington transistor array manufactured by STMicroelectronics.  

### **Specifications:**  
- **Configuration:** 8-channel Darlington transistor array  
- **Output Current per Channel:** 500 mA (max)  
- **Output Voltage (Max):** 50 V  
- **Input Voltage (Max):** 30 V  
- **Input Compatibility:** TTL, CMOS, PMOS  
- **Power Dissipation:** 2.25 W (total package)  
- **Operating Temperature Range:** -20°C to +85°C  
- **Package Options:** DIP-18, SO-18  

### **Descriptions:**  
- Each channel consists of a Darlington pair with a common emitter.  
- Includes integral suppression diodes for inductive load switching.  
- Designed for interfacing between low-level logic and high-power loads.  

### **Features:**  
- **High-Voltage Outputs:** Up to 50 V  
- **High-Current Capability:** 500 mA per channel  
- **Clamp Diodes:** For inductive load transient suppression  
- **Input Pins Compatible with Various Logic Types**  
- **Wide Operating Temperature Range**  

This device is commonly used for driving relays, lamps, LED displays, and other high-current loads in industrial and consumer applications.

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