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ULQ2803A/ from ST,ST Microelectronics

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ULQ2803A/

Manufacturer: ST

EIGHT DARLINGTON ARRAYS

Partnumber Manufacturer Quantity Availability
ULQ2803A/,ULQ2803A ST 7 In Stock

Description and Introduction

EIGHT DARLINGTON ARRAYS The ULQ2803A is a high-voltage, high-current Darlington transistor array manufactured by STMicroelectronics.  

### **Specifications:**  
- **Configuration:** 8-channel Darlington transistor array  
- **Output Voltage:** 50V (max)  
- **Output Current:** 500mA (per channel, max)  
- **Input Voltage:** 5V TTL/CMOS compatible  
- **Input Current:** 2.5mA (max)  
- **Clamp Diodes:** Integrated for inductive load protection  
- **Package Options:** DIP-18, SO-18  
- **Operating Temperature:** -20°C to +85°C  

### **Descriptions:**  
The ULQ2803A consists of eight NPN Darlington pairs with common emitters and built-in suppression diodes for inductive loads. It is designed for interfacing between low-level logic and high-power loads such as relays, solenoids, and lamps.  

### **Features:**  
- **High-Voltage Outputs:** Up to 50V  
- **High-Current Drivers:** 500mA per channel  
- **TTL/CMOS Compatible Inputs:** 5V logic compatible  
- **Integrated Suppression Diodes:** For inductive load protection  
- **Wide Operating Temperature Range:** Suitable for industrial applications  
- **Common Emitter Configuration:** Simplifies circuit design  

This device is commonly used in applications requiring multiple high-power switching from low-power digital signals.

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