This circuit can keep a set of lamps on for up to 1 minute, time given by C2 and R2 that can be changed. The load depends on the relay. The circuit is old, from 1988 documentation, but totally viable today.
This is a very common circuit in the days of xenon flashes for cameras. This is from a Radio...
National Semiconductor suggests this circuit in its 1994 Linear Applications Handbook. The D3...
The difference in the circuit shown in the figure, in relation to the CIR8144r, is that it uses a...