Description:
...The frequency continues to decrease until the lampignites or the current limit of the IR2159 is reached.If the current limit is reached, the IR2159 entersFAULT mode. The 1.6V threshold together with... ...tDTHO HO output deadtime (IR2159) — 1.8 —tDTLO LO output deadtime (IR21591) — 1.0 —tDTHO HO output deadtime (IR21591) — 1.0 —μs... ...Description: The IR2159/IR21591 are complete dimming ballast controllers and 600Vhalf-bridge drivers all in one IC. The architecture includes phase control for trans-former-less lamp power sensing and regulation which minimizes changes needed toadapt non-dimming ballasts for dimming. Externally programmable features such as...