JZJIANG
Junior Member level 1
The digitally-controlled LDO has been receiving significant attentions in recent years; in 2017 ISSCC, there is a special session focusing on the digitally-controlled LDO.
The presented papers in 2017 ISSCC reveal the advantage of digitally-controlled LDO in low-voltage low-power applications. It is interesting to note that most of the said papers are from academia.
My questions are,
1. Has digitally-controlled LDO been accepted/recognized by industrial? if not, what is the real practice in state-of-the-art industrial products?
2. For low-voltage low-power applications, particularly for the noise-insensitive digital circuit therein, is there a real need for the LDO design to migrate from the conventional analog domain to the emerging digital domain?
To my understanding, though conventional analog LDO does not lend itself to the low-voltage applications, the issue can be resolved. For an example, by locally boosting the supply of the control circuit.
The presented papers in 2017 ISSCC reveal the advantage of digitally-controlled LDO in low-voltage low-power applications. It is interesting to note that most of the said papers are from academia.
My questions are,
1. Has digitally-controlled LDO been accepted/recognized by industrial? if not, what is the real practice in state-of-the-art industrial products?
2. For low-voltage low-power applications, particularly for the noise-insensitive digital circuit therein, is there a real need for the LDO design to migrate from the conventional analog domain to the emerging digital domain?
To my understanding, though conventional analog LDO does not lend itself to the low-voltage applications, the issue can be resolved. For an example, by locally boosting the supply of the control circuit.