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SP6699 - 30V Step Up White LED Driver

General Description

The SP6699 is an inductor-based DC/DC converter designed to drive up to six white LEDs in series for LCD modules and keypad backlighting functions.

Only one feedback resistor is needed to control the LED current and obtain the desired brightness.

Key Features

  • High Output Voltage: Up to 30V.
  • Drives 2 to 6 LEDs @ 20mA.
  • High Efficiency up to 84%.
  • Integrated Schottky Diode.
  • Fast 1.2MHz Switching Frequency.
  • 200mV Feedback Voltage.
  • PWM Dimming Capability up to 2KHz.
  • Over Output Voltage Protection.
  • Internal Soft Start Circuit.
  • Small SOT23-6 Package.

📥 Download Datasheet

Datasheet Details

Part number SP6699
Manufacturer MaxLinear
File Size 733.01 KB
Description 30V Step Up White LED Driver
Datasheet download datasheet SP6699 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
January 2020 GENERAL DESCRIPTION The SP6699 is an inductor-based DC/DC converter designed to drive up to six white LEDs in series for LCD modules and keypad backlighting functions. Only one feedback resistor is needed to control the LED current and obtain the desired brightness. A 1.2MHz constant frequency PWM control scheme is used, enabling the usage of small external components. A typical application needs a 1mm tall inductor and a 0.22μF output capacitor. Additionally, the boost circuit Schottky diode is integrated, further reducing the overall foot print. A logic controlled enable pin allows this device to be placed in a low current consumption mode of a few microamps.