1 / 10

Monolithic 2Amp High Voltage LED Driver | Efficient Thermal Performance

The SP7600 is a monolithic LED driver with a wide input voltage range, constant frequency operation, and PWM dimming control. It features a highly efficient 100mohm MOSFET and adjustable over-current protection, making it an excellent choice for LED applications.

amay
Download Presentation

Monolithic 2Amp High Voltage LED Driver | Efficient Thermal Performance

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. SP7600 2Amp Monolithic 29V High Voltage LED Driver Dec. 2007 Rev A

  2. Features and Benefits • Wide Input Voltage Range 4.5V – 29V • 1.2MHz Constant Frequency Operation • Low 0.2V Reference Voltage • Monolithic 100mohm MOSFET • PWM Dimming Control (100 – 1KHz) • Internal compensation • No output filtering Cap • Adjustable Over Current Protection • <2.5A peak • Thermally enhanced SO-8 Company Confidential

  3. Value Monolithic Solution with highly efficienct 100mohm MOSFET Highest output current for a monolithic LED driver on the market 2Amps! Excellent thermal performance with exposed pad SO-8 0.2V Reference Voltage Reduced thermal risk Good regulation 3% room, 7% over line, temp. Small Solution size 1.2MHz Constant Frequency Internal compensation No external output cap required Fits in less space than a 1.5A K2 and heatsink Brightness control 100-1KHz PWM Dimming 10-90% of duty cycle Allow a wide range of brightness control Company Confidential

  4. Evaluation Board 22pF for high Vin K2 3x REBEL FLS Connector Set for 0.9A Adjustable Increase for lower Current limit

  5. Competition Company Confidential

  6. Monolithic No need to source extra component Potentially smaller solution Controller Allows for higher current SP7601 3A to 4A design May be cheaper SP7600 Monolithic vs SP7601 Controller

  7. LM7600 Benefits vs LM3405A • Higher voltage and current supported • Supports 24VDC rails • >1Amp supported • EP-SO-8 givens thermal advantage vs SOT • Exar has a component count advantage • See circled – we do not need

  8. Winning Against the ZXLD1360 • Limited input voltage range at fLXmax • SP7600 0  100% Duty cycle • Variable Frequency Operation • We can use a smaller inductor • We are fixed frequency – less EMI concerns

  9. Winning Against the ZXLD1360 • High switch resistance • At high duty cycle thermal will be a problem • Efficiency numbers will be low • We can use low cost external FET • 100mohm PFET is cheap! • No guarantees over temp! • Including LED Current!! • Only 5% at room!!! • We are 3% room and 7% temp • Zetex probably 10% over temp But nothing is stated! Only 25C

  10. Thank you Company Confidential

More Related