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ULQ2803LW from ALLEGRO

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15.625ms

ULQ2803LW

Manufacturer: ALLEGRO

HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS

Partnumber Manufacturer Quantity Availability
ULQ2803LW ALLEGRO 11914 In Stock

Description and Introduction

HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS The ULQ2803LW is a high-voltage, high-current Darlington transistor array manufactured by Allegro MicroSystems. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Configuration:** 8-channel Darlington transistor array  
- **Output Voltage (VCE):** 50V (max)  
- **Output Current (IC):** 500mA per channel (max)  
- **Input Voltage (VIN):** 5V TTL/CMOS compatible  
- **Input Current (IIN):** 2.5mA (max)  
- **Power Dissipation (PD):** 2.25W (total package)  
- **Operating Temperature Range:** -20°C to +85°C  
- **Package Type:** SOIC-18 (Surface Mount)  

### **Descriptions:**  
- The ULQ2803LW is designed for interfacing between low-level logic and high-power loads.  
- Each channel includes a Darlington pair with suppression diodes for inductive load switching.  
- Suitable for driving relays, lamps, solenoids, and other high-current/high-voltage devices.  

### **Features:**  
- **High-Voltage Outputs:** Up to 50V per channel.  
- **High-Current Capability:** 500mA per channel (sink).  
- **Integrated Suppression Diodes:** For inductive load protection.  
- **TTL/CMOS-Compatible Inputs:** Works with 5V logic.  
- **Open-Collector Outputs:** Allows flexible load connections.  
- **Common Cathode Clamp Diodes:** For switching inductive loads.  

For exact details, refer to the official Allegro MicroSystems datasheet.

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