Boost Controller For LED Backlighting

The LM3430 is a high voltage low-side N-Channel MOSFET controller. Ideal for use in a boost Regulator the LM3430 CAN power the LED backlight in LCD panels, such as in notebook PCs. It contains all of the features needed to implement single ended primary topologies. Output voltage regulation is based on current-mode control, which eases the design of loop compensation while providing inherent input voltage feed-forward. The LM3430 includes a start-up Regulator that operates over a wide input range of 6V to 40V. The PWM Controller is designed for high speed capability including an Oscillator frequency range up to 2 MHz and total propagation delays less than 100 ns. Additional features include an error Amplifier precision reference, line under-voltage lockout, cycle-by-cycle current limit, slope compensation, soft-start, external synchronization capability and thermal shutdown. The LM3430 is available in the LLP-12 package.
By National Semiconductor Corporation
LM3430 's PackagesLM3430 's pdf datasheet
LM3430SD LLP
LM3430SDX LLP




LM3430 Pinout, Pinouts
LM3430 pinout,Pin out
This is one package pinout of LM3430,If you need more pinouts please download LM3430's pdf datasheet.

LM3430 Application circuits
LM3430 circuits
This is one application circuit of LM3430,If you need more circuits,please download LM3430's pdf datasheet.


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