Overview
The ULN2003AIDE4 is an integrated circuit produced by Texas Instruments, belonging to the ULN2003A family. This device is a high-voltage, high-current Darlington transistor array, consisting of seven NPN Darlington transistors. Each transistor is capable of handling up to 500 mA of collector current and 50 V output, making it suitable for a variety of high-current applications. The ULN2003AIDE4 is particularly useful for interfacing with high-current devices such as relays, solenoids, and stepper motors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector Current (single output) | 500 | mA |
| Output Voltage | 50 | V |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 1.2 - 1.7 | V |
| Input Current (II) | 0.35 - 1.45 | mA |
| Propagation Delay Time (tPLH, tPHL) | 0.25 - 1 | μs |
| Input Compatibility | TTL and 5-V CMOS logic | |
| Package Type | SOIC-16 | |
| Number of Pins | 16 | |
| RoHS Compliance | Yes |
Key Features
- High-current and high-voltage capacity, with each transistor capable of 500 mA and 50 V output.
- Includes common-cathode flyback diodes for switching inductive loads such as servomotors.
- Inputs compatible with TTL and 5-V CMOS logic.
- Drivers can be paralleled for even higher current output.
- Available in various package types including PDIP, SOIC, SOP, and TSSOP.
- High current gain due to Darlington transistor configuration.
Applications
- Driver circuits for relays and solenoids.
- Lamp and LED displays.
- Stepper motor control.
- Logic buffers and line drivers.
- Interfacing with high-current devices.
Q & A
- What is the ULN2003AIDE4 used for?
The ULN2003AIDE4 is used in high-current applications such as driving relays, solenoids, stepper motors, and other high-current devices.
- What is the maximum collector current of the ULN2003AIDE4?
The maximum collector current is 500 mA per transistor.
- What is the maximum output voltage of the ULN2003AIDE4?
The maximum output voltage is 50 V.
- What types of logic inputs are compatible with the ULN2003AIDE4?
The inputs are compatible with TTL and 5-V CMOS logic.
- What package types are available for the ULN2003AIDE4?
It is available in PDIP, SOIC, SOP, and TSSOP packages.
- Does the ULN2003AIDE4 include flyback diodes?
Yes, it includes common-cathode flyback diodes for switching inductive loads.
- Can the drivers of the ULN2003AIDE4 be paralleled?
Yes, the drivers can be paralleled for even higher current output.
- What is the typical propagation delay time of the ULN2003AIDE4?
The propagation delay time (tPLH, tPHL) is typically between 0.25 and 1 μs.
- Is the ULN2003AIDE4 RoHS compliant?
Yes, it is RoHS compliant.
- How many pins does the ULN2003AIDE4 have?
The ULN2003AIDE4 has 16 pins.
