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Figure 8, Failure of lamp to ignite condition (lamp

filaments good): Upper trace: voltage across

RCS, Lower trace: lamp voltage

Figure 9, Failure of lamp to ignite condition (lamp

filaments good): Lamp voltage during the end

of Preheat and Ignition Ramp modes

Figure 10, Hard-switching condition (upper trace

filament open): Upper trace: voltage across RCS,

Middle trace: IC2 LO pin voltage,

Lower trace: IC2 HO-VS pin voltage

Figure 11, Hard-switching condition (upper filament open):

Lamp voltage during Preheat mode and beginning of

Ignition Ramp mode when lamp fault is detected

IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 Tel: (310) 252-7105

Data and specifications subject to change without notice.

11/13/2002