描述 Description

The IR2159/IR21591 are complete dimming ballast controllers and 600V half-bridge drivers all in one IC. The architecture includes phase control for transformer-less lamp power sensing and regulation which minimizes changes needed to adapt non-dimming ballasts for dimming.

特性 Features

?Ballast control and half-bridge driver in one IC

?Transformer-less lamp power sensing

?Closed-loop lamp power control

?Closed-loop preheat current control

?Programmable preheat time

?Programmable preheat current

?Programmable ignition-to-dim time

?0.5 to 5VDC dimming control input

?Min and max lamp power adjustments

?Programmable minimum frequency

?Internal current sense blanking

?Full lamp fault protection

?Brown-out protection

?Automatic restart

?Micro-power startup

?Zener clamped Vcc

?Over-temperature protection

?16-pin DIP and SOIC package types