Programmable load transient circuit

A programmable load transient circuit (PLTC), comprising:

• a switchable power device providing a voltage controlled current source adapted to couple to an output of a device under test (DUT) to a non-control node of said switchable power device, said switchable power device in series with a current sense device that is connected to ground;
• a feedback loop between said current sense device and a control node of said switchable power device, said feedback loop including:
• an integrator comprising an amplifier coupled to receive a signal that is a function of an average load current (IDavg) supplied by said DUT from said current sense device, said amplifier adapted to receive a reference voltage (Vref) and to provide an output drive voltage,
• wherein an output of said amplifier is coupled to a first input of a level shifter to provide said output drive voltage, wherein said level shifter is adapted to also receive a pulse signal or DC level from a pulse signal or DC source at its second input,
• said level shifter providing an output waveform or a DC voltage to said control node of said switchable power device that is a function of said IDavg.