LM3435SQ
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Product details are welcome upon request

LM3435SQ

  • Category:Driver chip
  • Product Name:Control interface [preliminary] driver
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:QFN
  • Stock Status:There is stock
  • Stock Quantity:50
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the LM3435SQ
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  • Product introduction
peculiarity
  • Sequential RGB drive mode
  • Low component count and small scale solution
  • Low ESR stability with ceramic capacitors, eliminating the need for loop compensation
  • Fast transient response
  • Programmable converters can be switched at frequencies up to 1MHz
  • I would like to interface with the MCU 2 C bus
  • Switching current limit protection at the top of the mountain
  • LED fault detection and reporting via I 2 C bus

illustrate

The LM3435, a synchronous rectified non-isolated flyback converter, has all the features needed to achieve high efficiency and cost-effectiveness for RGB LED drivers. Unlike traditional flyback converters, LEDs are straddled to the VOUT pin and VIN pin through an internal pass element in the corresponding LED pin. Thus, the voltage in the LED can be higher than, equal to or greater than the input supply voltage low.

Load currents up to 2A LEDs are with voltages ranging from 2.0V to 4.5V LEDs. Integrated N-channel MOSFET master, P-channel synchronous MOSFETs and three N-channel current-regulated low-pass switches allow component count, reducing complexity and board size. The LM3435 is an exceptionally good ceramic output capacitor designed to work with low output ripple voltage. Loop compensation does not require a fast load transient response result. The drive sequence of non-overlapping RGB LEDs is controlled by a person. The output voltage can therefore be optimized for different LED forward voltages during non-overlapping periods. I 2 The C interface simplifies programming of personal RGB LED currents up to 1,024 levels per channel.

The LM3435 is available in a thermally enhanced LLP-40 package.

Main specifications

  • Supports LED currents up to 2A
  • Typical ± 3% LED current accuracy
  • Integrated N-channel and P-main channel synchronous MOSFETs
  • 3 Integrated N-channel current through the regulation switch
  • The LED current is programmable through I 2 The C-bus is independent
  • Input voltage range 2.7V - 5.5V
  • Thermal shutdown
  • Thermally enhanced LLP-40 package


apply

  • Li-ion battery / USB power RGB LED driver
  • Pico/RGB LED handheld projector

andLM3435SQRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LM3435SQX NSC 10+ QFN I2C Control Interface [Preliminary] driver
LM3435SQ NSC 10+ QFN Control interface [preliminary] driver

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