Overview
The ULN2003ANSRG4 is a high-voltage, high-current Darlington transistor array produced by Texas Instruments. This device is part of the ULx200xA series, which consists of seven NPN Darlington pairs designed for high-voltage outputs with common-cathode clamp diodes. These diodes are essential for switching inductive loads, making the ULN2003ANSRG4 suitable for a variety of applications requiring robust and reliable switching capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector Current (Single Output) | 500 | mA |
| High-Voltage Outputs | 50 | V |
| Operating Temperature Range | -40 to 70 | °C |
| Input Compatibility | TTL, 5V CMOS | |
| Series Base Resistor | 2.7kΩ | |
| Package Type | SO NS (16 pins) | |
| Package Quantity | 2000 (Reel) | |
| Collector-Emitter Saturation Voltage | 0.9 - 1.6 | V |
| Propagation Delay Time | 0.25 - 1 | µs |
Key Features
- 500mA-rated collector current per single output, with the ability to parallel Darlington pairs for higher current capability.
- High-voltage outputs up to 50V.
- Output clamp diodes for inductive load switching.
- Inputs compatible with TTL and 5V CMOS logic.
- Relay-driver applications and other high-current switching needs.
- Totally lead-free and fully RoHS compliant.
Applications
- Relay drivers
- Hammer drivers
- Lamp drivers
- Display drivers (LED and gas discharge)
- Line drivers
- Logic buffers
- Solenoids, DC motors, and thermal print-heads
Q & A
- What is the collector current rating of the ULN2003ANSRG4?
The collector current rating of a single Darlington pair is 500mA. The pairs can be paralleled for higher current capability.
- What is the maximum voltage output of the ULN2003ANSRG4?
The high-voltage outputs can handle up to 50V.
- What type of logic is the ULN2003ANSRG4 compatible with?
The inputs are compatible with TTL and 5V CMOS logic.
- What is the purpose of the output clamp diodes in the ULN2003ANSRG4?
The output clamp diodes are used for switching inductive loads.
- What are some common applications of the ULN2003ANSRG4?
Common applications include relay drivers, hammer drivers, lamp drivers, display drivers, line drivers, and logic buffers.
- What is the operating temperature range of the ULN2003ANSRG4?
The operating temperature range is -40°C to 70°C.
- What is the series base resistor value in the ULN2003ANSRG4?
The series base resistor value is 2.7kΩ.
- What package types are available for the ULN2003ANSRG4?
The device is available in SO NS (16 pins) among other packages.
- Is the ULN2003ANSRG4 RoHS compliant?
Yes, the device is totally lead-free and fully RoHS compliant.
- What is the propagation delay time of the ULN2003ANSRG4?
The propagation delay time ranges from 0.25 to 1 µs.
