Texas Instruments LM3435
The LM3435, a Synchronously Rectified non-isolated Flyback Converter, features all required functions to implement a highly efficient and cost effective RGB LED driver. The LM3435 is designed to work exceptionally well with ceramic output capacitors with low output ripple voltage.| Part No. | LM3435 |
|---|---|
| Datasheet | LM3435 Download |
| Manufacturer |  Texas Instruments |
| Description | Compact Sequential Mode RGB LED Driver |
| Buy | Stock & Price |
FEATURES
1●23 Sequential RGB Driving Mode
● Low Component Count and Small Solution Size
● Stable with Ceramic and Other Low ESR capacitors, No Loop Compensation Required
● Fast Transient Response
● Programmable Converter Switching Frequency up to 1 MHz
● MCU Interface Ready With I2C Bus
● Peak Current Limit Protection for the Switcher
● LED Fault Detection and Reporting via I2C Bus KEY SPECIFICATIONS
● Support up to 2A LED current
● Typical ±3% LED current accuracy
● Integrated N-Channel main and P-Channel synchronous MOSFETs
● 3 Integrated N-Channel current regulating pass switches
● LED Currents programmable via I2C bus independently
● Input voltage range: 2.7 – 5.5 V
● Thermal shutdown
● Thermally enhanced WQFN package
APPLICATIONS
● Li-ion Batteries/USB Powered RGB LED Driver● Pico/Pocket RGB LED Projector TYPICAL APPLICATION
DESCRIPTION
Different from conventional Flyback converter, LEDs connect across the VOUT pin and the VIN pin through internal passing elements at corresponding LED pins.
