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.