LM3448 – 220VAC, 8W Dimmable Isolated
PMP8001
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Description

This demonstration board highlights the performance of a LM3448 based Flyback LED driver solution that can be used to power a single LED string consisting of 6 / 7 series connected LEDs from an 198 VRMS to 264 VRMS, 50 Hz input power supply. The integrated high-voltage and low Rdson MOSFET reduces design complexity while improving LED driver efficiency. This is a two-layer board using the bottom and top layer for component placement. The demonstration board can be modified to adjust the LED forward current, the number of series connected LEDs that are driven and the switching frequency. Refer to the LM3448 datasheet for detailed instructions. A bill of materials is included that describes the parts used on this demonstration board

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Parametrics
 PMP8001.1
(Output Voltage 1)
Vin (Min) (V)198
Vin (Max) (V)264
Vout (Nom) (V)20
Iout (Max) (A).35
Output Power (W)7
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyFlyback- Quasi Resonant

Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 373 22 Mar 2012
Design files (5)
Title Type Size (KB) Date
PDF 187 22 Mar 2012
PDF 187 22 Mar 2012
ZIP 248 22 Mar 2012
PDF 141 22 Mar 2012
PDF 236 22 Mar 2012

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