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L6585DE 功率因数校正 STM
L6585DE
ST(意法半导体)
: - 40 C
: + 150 C
: 0.83 W
: 60.2 kHz
相关产品
产品信息
L6585DE
功率因数校正 - PFC Combo IC for PFC and ballast control
Device description L6585DE
The L6585DE embeds a high performance PFC controller, a ballast controller and all the
relevant drivers necessary to build an electronic ballast.
The PFC section achieves current mode control operating in transition mode, offering a
highly linear multiplier including a THD optimizer that allows for an extremely low THD, even
over a large range of input voltages and loading conditions.
The PFC output voltage is controlled by means of a voltage-mode error amplifier and a
precise internal voltage reference.
Features L6585DE
■ PFC section
– transition mode PFC with over-current
protection
– over-voltage protection
– feedback disconnection
– under-voltage lockout
– PFC choke saturation detection
– THD optimizer
■ Half-bridge section
– preheating and ignition phases
independently programmable
– 3 % oscillator precision
– 1.2 μs dead time
– programmable and precise end-of-life
protection compliant with all ballast
configurations
– smart hard switching detection
– fast ignition voltage control with choke
saturation detection
– half-bridge over-current control
