STMicroelectronics
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
ULN2065B
詳細を表示 DataSheets

ULN2065B

Product Overview

Category

The ULN2065B belongs to the category of high-voltage, high-current Darlington transistor arrays.

Use

It is commonly used as a driver for inductive loads such as relays, solenoids, and stepper motors.

Characteristics

  • High-voltage and high-current capability
  • Darlington configuration for high gain
  • Integrated suppression diodes for inductive loads

Package

The ULN2065B is available in various package types including DIP (Dual Inline Package) and SOIC (Small Outline Integrated Circuit).

Essence

The essence of ULN2065B lies in its ability to efficiently drive inductive loads with high voltage and current requirements.

Packaging/Quantity

The ULN2065B is typically sold in reels or tubes containing multiple units, with quantities varying based on manufacturer specifications.

Specifications

  • Maximum Output Voltage: 50V
  • Continuous Collector Current: 500mA
  • Number of Channels: 6
  • Input Voltage: 5V to 15V
  • Operating Temperature Range: -20°C to 85°C

Detailed Pin Configuration

The ULN2065B features a standard pin configuration with each channel consisting of a collector, emitter, and base pin. The pinout is as follows: 1. Channel 1: Collector, Emitter, Base 2. Channel 2: Collector, Emitter, Base 3. Channel 3: Collector, Emitter, Base 4. Channel 4: Collector, Emitter, Base 5. Channel 5: Collector, Emitter, Base 6. Channel 6: Collector, Emitter, Base

Functional Features

  • High-Voltage and High-Current Capability: Allows for driving demanding inductive loads.
  • Integrated Suppression Diodes: Protects the driver and other circuitry from voltage spikes generated by inductive loads.

Advantages

  • Efficiently drives inductive loads
  • Simplifies circuit design by integrating multiple drivers in a single package

Disadvantages

  • Limited to driving inductive loads and not suitable for other applications
  • Higher power dissipation compared to MOSFET-based drivers

Working Principles

The ULN2065B utilizes Darlington transistor pairs to amplify the input signal and drive the connected inductive load. When an input signal is applied, the corresponding output channel activates, allowing current to flow through the inductive load.

Detailed Application Field Plans

The ULN2065B finds application in various fields including: - Industrial automation - Automotive systems - Robotics - Home appliances

Detailed and Complete Alternative Models

  • ULN2003A: Similar functionality with fewer channels
  • ULN2803A: Higher voltage and current ratings with more channels
  • L293D: H-Bridge driver suitable for bidirectional motor control

In conclusion, the ULN2065B is a versatile high-voltage, high-current Darlington transistor array that simplifies the driving of inductive loads in various applications.

[Word count: 452]

技術ソリューションにおける ULN2065B の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is ULN2065B?

    • ULN2065B is a high-voltage, high-current Darlington transistor array commonly used in applications requiring driving of inductive loads such as relays, solenoids, and stepper motors.

  2. What is the maximum voltage and current rating of ULN2065B?

    • The ULN2065B has a maximum voltage rating of 50V and a continuous output current rating of 500mA per channel.

  3. How many channels does ULN2065B have?

    • ULN2065B consists of seven channels, each containing a Darlington pair with integrated suppression diodes for inductive loads.

  4. What are the typical applications of ULN2065B?

    • Typical applications of ULN2065B include driving relays, solenoids, stepper motors, and other inductive loads in automotive, industrial, and consumer electronic systems.

  5. What is the input logic compatibility of ULN2065B?

    • ULN2065B is compatible with various logic families such as TTL, CMOS, and PMOS due to its input clamping diodes.

  6. Does ULN2065B require external freewheeling diodes for inductive load protection?

    • No, ULN2065B has integrated freewheeling diodes for each channel, providing protection against back EMF generated by inductive loads.

  7. What is the thermal resistance of ULN2065B?

    • The thermal resistance of ULN2065B is typically 100°C/W, allowing for efficient heat dissipation under normal operating conditions.

  8. Can ULN2065B be used in PWM (Pulse Width Modulation) applications?

    • Yes, ULN2065B can be used in PWM applications to control the speed or position of motors and actuators.

  9. Is ULN2065B suitable for use in automotive applications?

    • Yes, ULN2065B is well-suited for automotive applications due to its ability to drive inductive loads and its robustness in harsh environments.

  10. What are the key advantages of using ULN2065B in technical solutions?

    • The key advantages of ULN2065B include its high-voltage and high-current capabilities, integrated protection diodes, and compatibility with various logic families, making it an ideal choice for driving inductive loads in diverse technical solutions.