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TS19705CX6 데이터시트(PDF) 1 Page - Taiwan Semiconductor Company, Ltd |
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TS19705CX6 데이터시트(HTML) 1 Page - Taiwan Semiconductor Company, Ltd |
1 / 8 page TS19705CX6 Taiwan Semiconductor 1 Version: C1607 Single Stage Flyback or Buck-Boost Current Control with Active PFC for LED lighting DESCRIPTION TS19705 is constant current control IC with active power factor correction isolated or non-isolated AC-DC LED lighting control. The TS19705 is configurable as an isolated, primary-side-regulated Flyback controller or non-isolated Buck-Boost converter for LED lighting applications. The IC achieves high power factor and low Total Harmonic Distortion (THD) operation by Boundary Conduction Mode (BCM). The line and load regulation of LED current is about <±3% because of particular control method. TS19705 also provides gate driving voltage clamping, VCC overvoltage protection and system output open/short circuit protection to increase IC performance. FEATURES ● Accuracy Constant Current <±3% ● Low BOM Cost ● Flyback or Buck-Boost w/o photocoupler ● Application Voltage Range: 90~264VAC ● Built-in Active Power Factor Correction ● Good Line and Load Regulation ● Open-LED Protection on DMG pin ● Over-Voltage Protection on VCC pin ● Short-LED Protection ● Cycle by Cycle Over Current Protection on CS pin ● Over-Temperature Protection ● Gate Driving Voltage Clamping APPLICATION ● LED lighting ● Down lights, Tube lamps, PAR Lamps, Bulbs SOT-26 Pin Definition: 1. COM 2. GND 3. CS 4. Output 5. VCC 6. DMG Notes: MSL 3 (Moisture Sensitivity Level) per J-STD-020 TYPICAL APPLICATOIN CIRCUIT Flyback Converter Buck-Boost Converter |
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