The ULS2803H-883 is a high-voltage, high-current Darlington transistor array manufactured by Allegro MicroSystems, LLC. It is specifically designed and screened for high-reliability applications.

Applications

• Military Applications
• Aerospace Applications
• High-Reliability Industrial Control Systems
• Relay Drivers
• Solenoid Drivers
• Lamp Drivers
• Stepper Motor Drivers

Features

• High-Voltage Outputs: 50V
• High-Current Outputs: 500mA per channel
• Seven Darlington Transistor Arrays
• Integrated Suppression Diodes for Inductive Loads
• Inputs Compatible with Various Logic Families (TTL, CMOS)
• -55°C to +125°C Operating Temperature Range
• High-Reliability Screening per MIL-STD-883
• DIP Package

Benefits

• Direct interface between low-level logic and high-power loads
• Simplified circuit design with integrated suppression diodes
• Robust performance in harsh environments
• Reduced component count and board space
• Enhanced system reliability due to high-reliability screening
• Protection against voltage spikes from inductive loads

Additional Details

The ULS2803H-883 is a rugged device designed to withstand harsh operating conditions. The integrated suppression diodes protect the Darlington transistors from voltage spikes generated by inductive loads, such as relays and solenoids. The high-reliability screening per MIL-STD-883 ensures that the device meets stringent quality standards. This array is commonly used where a low-current signal needs to drive a higher-current load. Consult the Allegro MicroSystems datasheet for precise details on input voltage requirements and switching characteristics.