Overview
The ULQ2003A, produced by STMicroelectronics, is a high-voltage, high-current Darlington transistor array. This device consists of seven open collector Darlington pairs with common emitters, making it highly versatile for driving a wide range of loads. It is designed to operate over an extended temperature range of -40°C to 105°C, making it suitable for various industrial and automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | -40 to 105 | °C |
| Output Voltage | 50 | V |
| Continuous Collector Current | 500 | mA |
| Peak Collector Current | 600 | mA |
| Input Voltage (for ULQ2003A) | 30 | V |
| Thermal Resistance Junction-Ambient (DIP-16) | 70 | °C/W |
| Package Type | PDIP 16, SO16 | |
| RoHS Compliance | Ecopack2 |
Key Features
- Seven Darlington pairs with common emitters
- High-voltage and high-current capability (up to 50 V and 500 mA per channel)
- Integrated suppression diodes for inductive load driving
- TTL/CMOS/PMOS/DTL compatible inputs
- Outputs can be paralleled for higher current
- Extended temperature range: -40°C to 105°C
- Available in PDIP 16 and SO16 packages
- RoHS compliant (Ecopack2)
Applications
The ULQ2003A is versatile and can be used in a variety of applications, including:
- Driving solenoids, relays, and DC motors
- Controlling LED displays and filament lamps
- Thermal print-heads and high power buffers
- Automotive and industrial control systems
Q & A
- What is the operating temperature range of the ULQ2003A?
The operating temperature range is -40°C to 105°C.
- What is the maximum output voltage of the ULQ2003A?
The maximum output voltage is 50 V.
- What is the continuous collector current rating of the ULQ2003A?
The continuous collector current rating is 500 mA per channel.
- Can the outputs of the ULQ2003A be paralleled for higher current?
Yes, the outputs can be paralleled to achieve higher current.
- Is the ULQ2003A RoHS compliant?
Yes, the ULQ2003A is RoHS compliant (Ecopack2).
- What types of packages are available for the ULQ2003A?
The ULQ2003A is available in PDIP 16 and SO16 packages.
- What types of logic families are compatible with the ULQ2003A inputs?
The inputs are compatible with TTL, CMOS, PMOS, and DTL logic families.
- What is the purpose of the integrated suppression diodes in the ULQ2003A?
The integrated suppression diodes are for inductive load driving.
- Can the ULQ2003A be used in automotive applications?
Yes, the ULQ2003A is qualified according to the AEC-Q100 specification for automotive use.
- What is the thermal resistance junction-ambient for the DIP-16 package?
The thermal resistance junction-ambient for the DIP-16 package is 70 °C/W.
