Series Info:4th International Design and Test Workshop (IDT);2009
Type:Other
Keywords:Capacitors
,
Frequency
,
Energy management
,
Power system management
,
Impedance
,
Power supplies
,
Circuit simulation
,
Circuit stability
,
Load management
,
Voltage
Abstract:
A novel technique is utilized to enhance the power supply rejection of a Miller compensated LDO. The frequency compensation tracks the load variations in order to conserve stability across the whole load current range. From a minimum supply of 2.7 V, the LDO provides a regulated 2.4 V output, for a load range of 0-2 mA. The improvement in the supply rejection is at least 10 dB at 2 mA load. At no load, the supply rejection improved by 26 dB. The LDO is simulated using AMS-0.35 m technology.
