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TI UC3872MTRRoHS

Manufacturer
TI
MPN
UC3872MTR
LCSC Part #
C2864653
Packaging
SSOP-16-150mil
Customer #
Key Attributes
Resonant Lamp Ballast Controller
Datasheetpdf iconTI UC3872MTR

Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Lighting, Ballast Controllers
ManufacturerTI
PackagingSSOP-16-150mil
Output Voltage-
FeaturesBuilt-in soft-start;Dimming function;LED open-circuit protection
Frequency - Switching68kHz
Driver TypeCCFL Controller
Input Voltage4.5V~24V
Output Current-
Operating Temperature0℃~+70℃
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The UC3872 is a resonant lamp ballast controller optimized for driving cold cathode fluorescent, neon, and other gas discharge lamps. The resonant power stage develops a sinusoidal lamp drive voltage, and minimizes switching loss and EMI generation. Lamp intensity adjustment is accomplished with a buck regulator, which is synchronized to the external power stage’s resonant frequency. Suitable for automotive and battery powered applications, the UC3872 draws only 1μA when disabled. Soft start and open lamp detect circuitry have been incorporated to minimize component stresses. Open lamp detection is enabled at the completion of a soft start cycle. The chip is optimized for smooth duty cycle control to 100%. Other features include a precision 1.2% reference, undervoltage lockout, and accurate minimum and maximum frequency control.

Features

AI Translation
  • Controls Different Types of Lamps: Cold Cathode Fluorescent, Neon, and Gas Discharge
  • Zero Voltage Switching (ZVS) of Push-Pull Drivers
  • Accurate Control of Lamp Current
  • Variable Lamp Intensity Control
  • 1μA Disable Current
  • 4.5V to 24V Operation
  • Open Lamp Detection Circuitry
  • A precision 1.2% reference
  • Undervoltage lockout
  • Accurate minimum and maximum frequency control
In-Stock: 8
8 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
1+$ 13.2073$ 13.21
10+$ 12.63$ 126.30
30+$ 11.6295$ 348.89
100+$ 10.7555$ 1075.55
Standard Packaging2500/Full Reel
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