Overview
The ULQ2003ADR, produced by Texas Instruments, is a high-voltage, high-current Darlington transistor array. This device is part of the ULQ2003 series and is designed to provide a versatile solution for a wide range of applications. It consists of seven NPN Darlington transistor pairs, each capable of sinking up to 500 mA of current and withstanding peak currents of 600 mA. The ULQ2003ADR is particularly useful in environments requiring high reliability and durability, such as automotive and industrial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VO) | 50 | V |
| Input Voltage (VIN) | 30 | V |
| Continuous Collector Current (IC) | 500 | mA |
| Continuous Base Current (IB) | 25 | mA |
| Operating Ambient Temperature Range (TA) | -40 to 105 | °C |
| Storage Temperature Range (TSTG) | -55 to 150 | °C |
| Junction Temperature (TJ) | 150 | °C |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.9 - 1.6 | V |
| Input Current (II(ON)) | 0.93 - 1.35 | mA |
| Input Capacitance (CI) | 15 - 25 | pF |
| Propagation Delay Time (tPLH, tPHL) | 0.25 - 1 | μs |
Key Features
- Seven high-voltage, high-current NPN Darlington transistor pairs with common emitters.
- Each channel rated at 500 mA with peak currents up to 600 mA.
- Integrated suppression diodes for inductive load driving.
- Compatible with TTL, CMOS, PMOS, and DTL logic families.
- Inputs pinned opposite outputs to simplify board layout.
- Operates over a wide temperature range: -40°C to 105°C.
- Available in various packages including DIP-16, SO16, and TSSOP.
- AEC-Q100 qualified for automotive applications.
Applications
The ULQ2003ADR is versatile and can be used in a variety of applications, including:
- Driving solenoids, relays, and small motors.
- Controlling lamps, LED displays, and filament lamps.
- Thermal print-heads and high-power buffers.
- Automotive systems due to its AEC-Q100 qualification.
- Industrial control systems requiring high reliability and durability.
Q & A
- What is the maximum output voltage of the ULQ2003ADR?
The maximum output voltage is 50 V.
- What is the continuous collector current rating of the ULQ2003ADR?
The continuous collector current rating is 500 mA.
- What is the operating temperature range of the ULQ2003ADR?
The operating temperature range is -40°C to 105°C.
- Is the ULQ2003ADR compatible with TTL and CMOS logic families?
- What type of diodes are integrated into the ULQ2003ADR for load driving?
Integrated suppression diodes for inductive load driving.
- Can the outputs of the ULQ2003ADR be paralleled for higher current?
- What is the AEC-Q100 qualification of the ULQ2003ADR?
The ULQ2003ADR is AEC-Q100 qualified for automotive applications.
- What are the available package types for the ULQ2003ADR?
The device is available in DIP-16, SO16, and TSSOP packages.
- What is the maximum junction temperature of the ULQ2003ADR?
The maximum junction temperature is 150°C.
- What is the input capacitance of the ULQ2003ADR?
The input capacitance is 15 - 25 pF.
