1. New developments in IC voltage regulators
2. Gray, P.R., Hurst, P.J., Lewis, S.H., and Meyer, R.G.: ‘Analysis and design of analog integrated circuits’, 4th(John Wiley & Sons, New York 2001)
3. Rincon-Mora, G.A.: ‘Voltage references—from diodes to precision high-order bandgap circuits’, (Wiley, New York 2002)
4. Razavi, B.: ‘Design of analog CMOS integrated circuits’, (McGraw-Hill, New York 1994)
5. A low-voltage low-power voltage reference based on subthreshold MOSFETs