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LED constant current drive boost converter MH266

  • 2013-09-22
  • 563.89KB
  • Points it Requires : 2

MH266 is a DC/DC boost converter designed for constant current driving of white LEDs. It can drive up to 14 white LEDs. MH266 uses a switching frequency of 1.2MHz, which allows the use of extremely small external components. The output capacitor only needs 1uF, saving space and cost. The low sampling voltage of 81mV minimizes power loss and has higher conversion efficiency. The built-in EN terminal can effectively control the brightness of the LED lamp by adding a PWM control signal to the EN terminal. The built-in output open circuit protection eliminates the need to worry about output open circuit or load failure, making work safer.

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