Boost LED Driver with 12V AC and driving 6LEDS at 320mA

(ACTIVE) PMP7754

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Description

This design uses a 12Vac input which is rectified and fed to a boost DC to DC Converter with constant current feedback loop for driving 6 series LEDs at 0.32A. Also implemented is a simple circuit to decode a dimming signal from a TRIAC. This dimming decoder circuit controls the dimming level of the LEDs.

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Parametrics
 PMP7754.1
(Output Voltage 1)
Vin (Min) (V)12
Vin (Max) (V)12
Vout (Nom) (V)21
Iout (Max) (A).32
Output Power (W)6.72
Isolated/Non-IsolatedNon-Isolated
Input TypeAC
TopologyBuck- Synchronous

TI Devices (1)

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
LM5000  3.1-40V Wide Vin, 2A Current Mode Non-Synchronous Boost Regulator  Step-Up (Boost)  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 158 06 Jan 2012 12
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 22 08 May 2013 7
PDF 92 06 Jan 2012 7
PDF 179 06 Jan 2012 12

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