380V/350mA Dimmable LED Driver using Single String LLC Solution without Dimming FET PMP4371 (ACTIVE)

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Description

This design is based on PMP4350 and supports higher output voltage up to 380V. Different from PMP4350, the high voltage LED switch MOSFET is removed and reduced overall cost. With additional resistor and capacitor from LEDSW to CS pin, the LED driver demos good linearity dimming performnace under analog and PWM dimming mode. High effiency (>94%), high PF(>0.94) isolated AC/DC single string output LED lighting solution for high watt (>100W) general LED lighting. The topology uses Transition Mode (TM) PFC plus LLC control and achieves high efficiency (>94%) and high PF(>0.94). The target application for this reference design is TV LED backlight, outdoor and high-bay general LED lighting.

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Parametrics
 PMP4371.1
(Output Voltage 1)
Vin (Min) (V)90
Vin (Max) (V)264
Vout (Nom) (V)380
Iout (Max) (A).35
Output Power (W)133
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyHalf Bridge- LLC
PFC- Boost
Flyback- Quasi Resonant

TI Devices (3)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
UCC25710  LED TV Backlight Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28700  Constant-Voltage, Constant-Current PWM With Primary-Side Regulation  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28810  LED Lighting Power Controller  LED drivers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
UCC25710 Download Download
UCC28700 Download Download
UCC28810 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 278 24 May 2013
Design files (2)
Title Type Size (KB) Date
PDF 203 24 May 2013
PDF 67 24 May 2013

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