ULN2003LVDR

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ULN2003LVDR

+BOM

TRANS 7NPN DARL 8V 0.5A 16SOIC

  • ManufacturerTexas Instruments

  • Mfr. Part #ULN2003LVDR

  • Package SOIC (D)-16

  • In Stock6893

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series ULx200xA
ProductStatus Active
SwitchType Relay, Solenoid Driver
NumberofOutputs 7
Ratio-Input:Output 1:1
OutputConfiguration Low Side
OutputType NPN
Interface Parallel
Voltage-Load 8V (Max)
Voltage-Supply(Vcc/Vdd) Not Required
Current-Output(Max) 700mA
InputType Inverting
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
SupplierDevicePackage 16-SOIC

Overview

Description

The ULN2003LVDR is a low-voltage version of the popular ULN2003 series, designed for interfacing logic-level signals with higher voltage loads. It is a Darlington transistor array featuring seven open-collector outputs with a common-cathode clamp diode for each output to suppress voltage spikes when driving inductive loads. This makes it suitable for switching applications such as driving relays, LED displays, and stepper motors from low-voltage control signals.
Key features include:
1. Low-Voltage Operation: Supports a broad range of input voltages, making it compatible with low-voltage microcontrollers and logic circuits.
2. High Output Current: Each channel can sink up to 150mA, allowing it to drive various loads.
3. Built-in Diodes: Integrated flyback diodes protect the device and the driving circuitry from inductive kickback.
4. Compact Package: Available in a small, space-saving package for easy integration into compact circuits.
The ULN2003LVDR is ideal for applications requiring reliable interfacing between low-power logic and high-power loads, offering robustness and versatility in electronic circuit design.

Equivalent

The ULN2003LVDR is a low-voltage, low-current version of the popular ULN2003 Darlington transistor array. Equivalent or similar products include:
1. TBD62783APG – Toshiba
2. TPIC6B595 – Texas Instruments
3. MIC5891 – Microchip Technology
4. SLA6805M – Sanken
These alternatives may offer similar functionality but check their specifications to ensure compatibility with your specific application needs.

Features

The ULN2003LVDR is a low-voltage, high-current Darlington transistor array designed for interfacing logic-level signals to higher current loads. Key features include:
1. Low Voltage Operation: Supports operation from 3.3V to 5V, suitable for modern low-voltage systems.
2. High Current Capability: Each channel can handle up to 100mA, with a maximum voltage of 20V, allowing it to drive a wide range of loads.
3. Seven Channels: Offers seven Darlington pairs per package, enabling multiple loads to be controlled simultaneously.
4. Integrated Clamp Diodes: Built-in flyback diodes ensure protection from inductive load switching, such as motors and relays.
5. Compact Package: Available in small SOIC and TSSOP package options, which save board space.
6. TTL and CMOS Compatible Inputs: Allows easy interfacing with various logic families.
7. Versatile Applications: Suitable for driving solenoids, relays, LED displays, and other moderate power loads.
These features make the ULN2003LVDR ideal for applications requiring efficient interfacing between low-voltage digital logic circuits and higher power loads.

Pinout

The ULN2003LVDR is a low-voltage, high-current Darlington transistor array commonly used for driving loads such as relays, motors, and LEDs. It is a 16-pin device featuring the following pin configuration:
1. Pin Count: 16 pins
2. Pin Functions:
- Pins 1 to 7, and 10 to 14: Input pins for each of the seven Darlington pairs.
- Pins 8 and 9: Ground (GND) pins.
- Pins 11 to 17: Output pins corresponding to each input pin, used to connect the load.
- Pin 15: Common freewheeling diode pin (COM), used for connecting to the power supply to clamp inductive loads.
The ULN2003LVDR can handle a maximum output current of 500 mA per channel, and it incorporates freewheeling diodes for inductive load protection, making it suitable for interfacing logic-level signals with higher voltage loads.

Manufacturer

The ULN2003LVDR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is a significant player in the electronics industry, providing products for numerous applications, including automotive, industrial, personal electronics, communications, and enterprise systems. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in the development of analog chips and embedded processors. This positions them as a key supplier in the electronics market, offering essential components that power a wide range of electronic devices and systems.

Application

The ULN2003LVDR is a low-voltage, high-current Darlington transistor array, suitable for various applications. It is commonly used in stepper motor driving, relay driving, and LED display control due to its ability to handle inductive loads. Its capability to drive multiple outputs makes it ideal for interfacing microcontrollers with higher power consumption devices. The ULN2003LVDR is also used in automotive applications for controlling solenoids and small motors, as well as in home automation systems. Its compatibility with 3.3V and 5V logic levels makes it versatile for use in modern electronic circuits.

Package

The ULN2003LVDR is a surface-mount device available in a SOIC-16 (Small Outline Integrated Circuit) package type. This package is suitable for applications requiring a compact form factor and efficient thermal performance.

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