Overview
The ULN2003AIDRG4 is a high-voltage, high-current Darlington transistor array produced by Texas Instruments. This integrated circuit consists of seven NPN Darlington transistor pairs, each capable of sinking up to 500 mA and withstanding output voltages of up to 50 V. The device is designed for versatility and is widely used in various applications due to its ability to interface with TTL and 5-V CMOS logic levels.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VO) | 50 | V |
| Continuous Collector Current (IC) | 500 | mA |
| Peak Collector Current | 600 | mA |
| Input Voltage (VI) | 30 | V |
| Operating Ambient Temperature Range (TA) | -40 to 85 | °C |
| Junction Temperature (TJ) | 150 | °C |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.9 - 1.7 | V |
| On-State Input Voltage (VI(on)) | 2.4 - 3 | V |
Key Features
- Seven Darlington transistor pairs with common emitters and open collector outputs.
- Integrated suppression diodes for inductive loads, such as servomotors and relays.
- Inputs compatible with TTL and 5-V CMOS logic levels.
- Outputs can be paralleled for higher current output.
- Series base resistor for each Darlington pair, allowing direct operation with TTL or CMOS devices.
Applications
- Driver circuits for relays, solenoids, and DC motors.
- Lamp and LED displays.
- Stepper motors and other high-current loads.
- Logic buffers and line drivers).
- Thermal printheads and other high-power buffers).
Q & A
- What is the ULN2003AIDRG4 used for?
The ULN2003AIDRG4 is used for driving high-current loads such as relays, solenoids, DC motors, and LED displays. It is also used in logic buffers and line drivers).
- What is the maximum output voltage of the ULN2003AIDRG4?
The maximum output voltage of the ULN2003AIDRG4 is 50 V).
- What is the maximum continuous collector current of the ULN2003AIDRG4?
The maximum continuous collector current is 500 mA, with a peak current of 600 mA).
- Is the ULN2003AIDRG4 compatible with TTL and CMOS logic?
Yes, the ULN2003AIDRG4 is compatible with TTL and 5-V CMOS logic levels).
- What type of packaging is available for the ULN2003AIDRG4?
The ULN2003AIDRG4 is available in PDIP, SOIC, SOP, and TSSOP packaging).
- Does the ULN2003AIDRG4 have built-in suppression diodes?
Yes, the ULN2003AIDRG4 includes integrated suppression diodes for inductive loads).
- Can the outputs of the ULN2003AIDRG4 be paralleled for higher current?
Yes, the outputs can be paralleled to achieve higher current output).
- What is the operating ambient temperature range of the ULN2003AIDRG4?
The operating ambient temperature range is -40°C to 85°C).
- What is the junction temperature limit of the ULN2003AIDRG4?
The junction temperature limit is 150°C).
- Is the ULN2003AIDRG4 still in production?
No, the ULN2003AIDRG4 is listed as obsolete and is no longer in production).
