Electronics with passion: amplifiers and power supplies, FET's and vacuum tubes..

Month: January 2012

MOSFET + TL431 = LDO Linear Voltage Regulator

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Ideal LDO Voltage Regulator

LDO = low dropout
Ideal Low Dropout Linear Voltage Regulator ;)
Such a popular three-pin voltage regulator as LM317 (datasheet) is specified to work at minimum 3 Volts across the chip. This humble parameter is not even stated directly in the datasheet: I found it only