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Manufacturer: Analog Devices Inc.
Product Category: LED Lighting Development Tools
Product: Demonstration Boards
For Use With: LT3950
Operating Supply Voltage: 6 V to 24 V
Packaging: Bulk
Brand: Analog Devices
Product Type: LED Lighting Development Tools
Factory Pack Quantity: 1
Subcategory: Development Tools


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    Analog Devices Inc. DC2788A Demonstration Circuit for LT3950
    DC2788A Demonstration Circuit for LT3950
    Analog Devices DC2788A Demonstration Circuit for LT®3950 is a boost LED driver featuring the LT3950. This demonstration circuit powers a string of LEDs at 330mA. The step-up topology can be used to drive a string of up to 28V LEDs as assembled. The maximum output voltage capability of the LT3950 is 60V. DC2788A runs from an input voltage range of 6V to 24V as built. It also runs at 2MHz and can turn on spread spectrum frequency modulation (SSFM) for a frequency range of 2.0MHz to 2.5MHz. Dimming control can be achieved with analog dimming or PWM dimming—either from an external or internally-generated clock source. DC2788A features an undervoltage lockout (UVLO) set at 6.6V with a 1.0V hysteresis for turn-on. The UVLO voltage, LED current, output voltage range, switching frequency, brightness control, SSFM, and the topology can all be adjusted with simple modifications to the demonstration circuit.