ULQ2004AN

Product Overview

Category: Integrated Circuit (IC)

Use: ULQ2004AN is a high-voltage, high-current Darlington transistor array. It is commonly used as an interface between low-level logic signals and higher power devices in various applications.

Characteristics: - High voltage capability - High current capability - Darlington configuration for improved performance - Low saturation voltage - Fast switching speed

Package: ULQ2004AN is available in a 16-pin DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of ULQ2004AN lies in its ability to provide efficient and reliable amplification of low-level logic signals to control high-power devices.

Packaging/Quantity: ULQ2004AN is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 5V - 30V
• Output Current: 500mA per channel (continuous)
• Input Voltage: 0V - 5V
• Number of Channels: 7
• Maximum Collector-Emitter Voltage: 50V
• Maximum Collector Current: 600mA

Pin Configuration

The ULQ2004AN has a total of 16 pins, numbered from 1 to 16. The pin configuration is as follows:

1. Output 1
2. Ground
3. Output 2
4. Output 3
5. Output 4
6. Vcc (Positive Power Supply)
7. Input 1
8. Input 2
9. Input 3
10. Input 4
11. Output 5
12. Output 6
13. Output 7
14. Ground
15. Output 8
16. Vcc (Positive Power Supply)

Functional Features

• High input impedance
• Built-in flyback diodes for inductive load protection
• TTL and CMOS compatible inputs
• Thermal shutdown protection
• Output clamp diodes for inductive kickback suppression

Advantages and Disadvantages

Advantages: - High voltage and current handling capability - Improved performance due to Darlington configuration - Wide range of operating voltages - Protection features for reliable operation - Compatibility with various logic levels

Disadvantages: - Relatively large package size compared to SMD alternatives - Limited number of channels (7) compared to some other transistor arrays

Working Principles

ULQ2004AN operates based on the Darlington transistor configuration, which provides high current gain and low saturation voltage. It amplifies the low-level logic signals received at its inputs and drives the corresponding high-power devices connected to its outputs.

Detailed Application Field Plans

ULQ2004AN finds applications in various fields where interfacing between low-level logic signals and high-power devices is required. Some common application areas include: - Motor control circuits - Relay driving circuits - Solenoid driving circuits - Lamp and LED driving circuits - Stepper motor driving circuits

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements or substitutes for ULQ2004AN are: - ULN2003A - ULN2803A - ULN2804A - MC1413B - MC1414B

These alternatives offer similar functionality and characteristics, allowing users to choose the most suitable option for their specific requirements.

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