2.5V-6Vin, 36Vout, 700mA Boost WLED Driver



The MP3301 is a step-up converter designed to drive WLEDS arrays from a single-cell, lithium-ion battery. The MP3301 uses a current-mode, fixed-frequency architecture to regulate the LED current, which is measured through an external current sense resistor. Its low 200mV feedback voltage reduces power loss and improves efficiency. The MP3301 turns off in the presence of an open-circuit over-voltage condition. The MP3301 includes under-voltage lockout, current limiting, and thermal-overload protection to prevent damage in the event of an output overload. The MP3301 is available in a small 5-pin TSOT23 package.


  • Internal Power MOSFET
  • Drives up to 10 White LEDs in Series
  • Up to 89% Efficiency
  • PWM and Analog Dimming
  • 1.3MHz Fixed Switching Frequency
  • Low 200mV Feedback Voltage
  • Internal 700mA Current Limit
  • Open-Load Shutdown
  • UVLO, Thermal Shutdown
  • Available in TSOT23-5 Packages


  • Isw Limit (A)1
  • Ishutdown (µA)4
  • 最小输入电压2.5
  • Vin (max) (V)6
  • Channels1
  • fsw (min) (kHz)1300
  • fsw (max) (kHz)1300
  • Vout (max) (V)36
  • Vfb (V)0.2
  • GradeCatalog
  • Rds(on) (mΩ)500
  • PackageTSOT23-5
  • Power MOSFETIntegrated
  • TopologyBoost
  • Dimming (Output)P-Dim, A-Dim
  • Iq (mA)0.69
  • Typical LCD Screen SizesSmall (<10")