Layout

This chip has a VCO-integrator based LDO as well as a traditional op-amp based LDO. Both the LDOs had identical power transistors to keep a fair comparison. Below is a picture of a layout for the current-steering charge pump with unity buffer.

Fig. 1: Layout of the charge pump

The final layout of the chip is shown below.

Fig. 2: Layout of the full chip with VCO-integrator-based LDO and traditional LDO


Back to top