LM3450 LED Drivers

National Semiconductor

Description

LM3450 LM3450A LED Drivers with Active Power Factor Correction and Phase Dimming Decoder LM3450 LM3450A June 20, 2011 LED Drivers with Active Power.
The LM3450/50A is a power factor controller (PFC) with separate phase dimming decoder.

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Datasheet Specifications

Part number: LM3450
Manufacturer: National Semiconductor
File Size: 1.91 MB
Datasheet: LM3450-NationalSemiconductor.pdf
Description: LED Drivers

Features

* The input-output mapping is programmable for design flexibility, while a dynamic filter and variable sampling rate provide smooth uniform dimming. A dynamic hold circuit ensures that the phase dimmer angle is decoded properly while minimizing extra power loss. The LM3450A is identical to the LM3450

Applications

* for each. The following is a general guideline for choosing the correct device:
* Any 120V designs with POUT > 15W - LM3450A
* Any 230V designs with POUT > 25W - LM3450A
* 120V 2-Stage designs with POUT < 15W - LM3450
* 230V 2-Stage designs with POUT < 25W - LM3450 F

LM3450 Distributors

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LM3450 LED Drivers National Semiconductor

National Semiconductor LM3450-like datasheet