Overview
The ULN2003ADRE4 is a high-voltage, high-current Darlington transistor array produced by Texas Instruments. This component is part of the ULN2003 series, which includes seven open collector Darlington pairs with common emitters. It is designed to handle a wide range of loads, including solenoids, relay DC motors, LED displays, filament lamps, and thermal printheads. The ULN2003ADRE4 is particularly useful for applications requiring high current and voltage capabilities, and it is compatible with various logic families such as TTL, CMOS, PMOS, and DTL.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Package / Case | 16-SOIC (0.154, 3.90mm Width) | |
| Number of Pins | 16 | |
| Voltage - Rated DC | 50 V | V |
| Current Rating | 500 mA (600 mA peak) | mA |
| Transistor Type | 7 NPN Darlington | |
| Collector Emitter Voltage (VCEO) | 50 V | V |
| Max Junction Temperature (Tj) | 125°C | °C |
| Ambient Temperature Range High | 70°C | °C |
| Propagation Delay | 250 ns | ns |
| Input Compatibility | TTL/CMOS/PMOS/DTL |
Key Features
- Seven Darlington pairs per package with common emitters.
- Output current of 500 mA per driver (600 mA peak).
- Output voltage of 50 V.
- Integrated suppression diodes for inductive loads.
- Outputs can be paralleled for higher current.
- Inputs are pinned opposite to outputs to simplify board layout.
- Compatible with TTL, CMOS, PMOS, and DTL logic families.
- Low output saturation voltage (VCE(sat)) of 1.2 V to 1.6 V.
- High noise immunity due to input RC snubber.
Applications
- Driving solenoids and relay DC motors.
- LED display and filament lamp driving.
- Thermal printhead driving.
- High-power buffer applications.
- Stepper motor driving.
- Logic level shifting up to 16 V.
- Driving resistive loads up to 16 V.
Q & A
- What is the ULN2003ADRE4 used for?
The ULN2003ADRE4 is used for driving high-current and high-voltage loads such as solenoids, relay DC motors, LED displays, and thermal printheads.
- What is the output current rating of the ULN2003ADRE4?
The output current rating is 500 mA per driver with a peak current of 600 mA.
- What is the maximum voltage the ULN2003ADRE4 can handle?
The maximum voltage is 50 V.
- Is the ULN2003ADRE4 compatible with different logic families?
Yes, it is compatible with TTL, CMOS, PMOS, and DTL logic families.
- What type of transistor array does the ULN2003ADRE4 contain?
It contains seven NPN Darlington pairs with common emitters.
- What is the propagation delay of the ULN2003ADRE4?
The propagation delay is 250 ns.
- Does the ULN2003ADRE4 have integrated suppression diodes?
Yes, it has integrated suppression diodes for inductive loads.
- Can the outputs of the ULN2003ADRE4 be paralleled for higher current?
Yes, the outputs can be paralleled for higher current.
- What is the maximum junction temperature of the ULN2003ADRE4?
The maximum junction temperature is 125°C.
- What package types are available for the ULN2003ADRE4?
The ULN2003ADRE4 is available in a 16-pin SOIC package.
