UC3871DW The Texas Instruments UC3871DW is a fluorescent lamp controller IC designed for efficient lighting applications. It operates within a voltage range of 4.5V to 20V and features a frequency range of 57kHz to 78kHz.
Mfr Part #:

UC3871DW

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3871DW is a fluorescent lamp controller IC designed for efficient lighting applications. It operates within a voltage range of 4.5V to 20V and features a frequency range of 57kHz to 78kHz.
✓ Total Stock: 6,000 pcs
$ Price Range: $0.75

UC3871DW Available from 1 distributor

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✓ Non-Authorised
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UC3871DW Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Charge Current
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UC3871DW Description

Short technical summary and product information.

The UC3871DW from Texas Instruments is an integrated circuit optimized for highly efficient fluorescent lamp control. This device is designed to operate within a wide voltage range of 4.5V to 20V, making it suitable for various power systems.

 

Key electrical characteristics include an operating current of 8 mA and a frequency range from 57kHz to 78kHz. The IC integrates a PWM controller for additional supply needs, such as in LCD displays, and features Zero Voltage Switching (ZVS) on its push-pull drivers for reduced stress and improved efficiency. It also incorporates soft-start and open lamp detection circuitry.

 

The UC3871DW is housed in an 18-SOIC package, suitable for surface mount applications. Its design prioritizes efficiency and component longevity, making it a robust choice for lighting control systems requiring stable and reliable performance.

UC3871DW Quick Information

Product Type: Fluorescent Lamp Controller
Canonical Name: UC3871DW Resonant Fluorescent Lamp Driver IC
Subcategory: Lighting, Ballast Controllers

UC3871DW Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

UC3871DW Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

UC3871DW Features

  • Optimized for efficient fluorescent lamp control.
  • Wide 4.5V to 20V operating voltage range.
  • Operates at 57kHz to 78kHz frequency.
  • Surface mountable in an 18-SOIC package.
  • Features ZVS and open lamp detection.

UC3871DW Applications

  • Ideal for fluorescent lighting systems.
  • Suitable for LCD display power supplies.
  • Used in battery-powered lighting applications.
  • Enables efficient lamp control circuits.

UC3871DW FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC3871DW?

The UC3871DW operates from 4.5V to 20V.

What is the operating temperature range of the UC3871DW?

The operating temperature range is 0°C to 70°C.

What package does the UC3871DW come in?

The UC3871DW is available in an 18-SOIC surface-mount package.

What is the operating frequency range of the UC3871DW?

The operating frequency range is 57kHz to 78kHz.

What is the quiescent current when disabled?

The quiescent current when disabled is 1µA typical.

What is the reference output voltage of the UC3871DW?

The reference output voltage is 3V typical at 25°C.

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