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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 s.
• 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
DESCRIPTION
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 bu.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | UC2871 |
Unitrode |
Resonant Fluorescent Lamp Driver |
|
| 2 | UC2874-1 |
Unitrode |
Step-down (Buck) Controllers |
|
| 3 | UC2874-2 |
Unitrode |
Step-down (Buck) Controllers |
|
| 4 | UC2875 |
Unitrode |
Phase Shift Resonant Controller |
|
| 5 | UC2875-EP |
Texas Instruments |
Phase Shift Resonant Controller |
|
| 6 | UC2875-EP |
Texas Instruments |
Phase Shift Resonant Controller |
|
| 7 | UC2876 |
Unitrode |
Phase Shift Resonant Controller |
|
| 8 | UC2877 |
Unitrode |
Phase Shift Resonant Controller |
|
| 9 | UC2878 |
Unitrode |
Phase Shift Resonant Controller |
|
| 10 | UC2879 |
Texas Instruments |
PHASE SHIFT RESONANT CONTROLLER |
|
| 11 | UC28023 |
Texas Instruments |
Economy High-Speed PWM Controller |
|
| 12 | UC28025 |
Texas Instruments |
Economy High-Speed PWM Controller |
|