1. A voltage regulator, comprising:
a first analog to digital converter generating a first digital stream according to the first output voltage and a reference voltage, and generating first data according to the generated first digital stream;
a second analog to digital converter generating a second digital stream according to the second output voltage and the reference voltage, and generating the second data according to the generated second digital stream;
a voltage adjustment device applying a predetermined weighting to the first data and the second data according to a power providing priority of a first load and a second load, and generating voltage control signals according to the weighted first data and the weighted second data to make the first output voltage reach a target voltage faster than the second output voltage according to the power providing priority; and
a switching module respectively providing the first output voltage and the second output voltage to the first load and the second load according to the voltage control signals.
2. The voltage regulator as claimed in claim 1, wherein the voltage adjustment device generates the voltage control signals further according to characteristics of the first load and the second load.
3. The voltage regulator as claimed in claim 1, wherein the first load and the second load have different power consumption characteristics.
4. The voltage regulator as claimed in claim 3, wherein the predetermined weighting is further determined according to the power consumption characteristics of the first load and the second load.
5. The voltage regulator as claimed in claim 1, wherein the voltage adjustment device further comprises a weighting selection device applying the predetermined weighting to the first data and the second data.
6. The voltage regulator as claimed in claim 1, wherein values of the first digital stream and the second digital stream are presented in two’s complement form.
7. The voltage regulator as claimed in claim 1, wherein the first data and the second data are two’s complement values of the first digital stream and the second digital stream, respectively.
8. The voltage regulator as claimed in claim 1, wherein the voltage adjustment device further comprising a clock generator providing the voltage control signals.
9. The voltage regulator as claimed in claim 1, wherein the voltage control signals comprises a charging signal, a first load signal, and a second load signal.
10. The voltage regulator as claimed in claim 9, wherein the switching module comprises:
a first switch enabled to charge an external element from a power source in accordance with the charge signal;
a second switch coupled between the external element and the first load, enabled to provide the first output voltage to the first load by the external element in accordance with the first load signal; and
a third switch coupled between the external element and the second load, enabled to provide the second output voltage to the second load by the external element in accordance with the second load signal.
11. The voltage regulator as claimed in claim 9, wherein the voltage adjustment device comprises:
a weighting selection device applying the predetermined weighting to the first data and the second data according to the power providing priority of the first load and the second load;
a decision device generating an enable signal according to the weighted first data and the weighted second data; and
a clock generator generating the charging signal, and the first load signal or the second load signal according to the enable signal.
12. A voltage regulating method, comprising:
generating first data according to a first output voltage and a reference voltage by analog to digital conversion;
generating second data according to a second output voltage and the reference voltage by analog to digital conversion;
applying a predetermined weighting to the first data and the second data according to a power providing priority of a first load and a second load;
generating voltage control signals according to the weighted first data and the weighted second data to make the first output voltage reach a target voltage faster than the second output voltage according to the power providing priority; and
respectively providing the first output voltage and the second output voltage to a first load and a second load according to the voltage control signals.
13. The voltage regulating method as claimed in claim 12, further comprising generating the voltage control signals according to characteristics of the first load and the second load.
14. The voltage regulating method as claimed in claim 12, wherein the first load and the second load have different power consumption characteristics.
15. The voltage regulating method as claimed in claim 14, wherein the predetermined weighting is determined further according to the power consumption characteristics of the first load and the second load.
16. The voltage regulating method as claimed in claim 12, further comprising:
generating a first digital stream according to the first output voltage and the reference voltage;
generating a second digital stream according to the second output voltage and the reference voltage; and
generating the first data and the second data respectively according to the generated first digital stream and the second digital stream.
17. The voltage regulating method as claimed in claim 16, wherein values of the first digital stream and the second digital stream are presented in two’s complement form.
18. The voltage regulating method as claimed in claim 17, wherein the first data and the second data are two’s complement values of the first digital stream and the second digital stream, respectively.
19. The voltage regulating method as claimed in claim 12, wherein the voltage control signals comprises a charging signal, a first load signal, and a second load signal.
20. The voltage regulating method as claimed in claim 19, further comprising:
charging an external element from a power source in accordance with the charge signal;
providing the first output voltage to the first load by the external element in accordance with the first load signal; and
providing the second output voltage to the second load by the external element in accordance with the second load signal.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A liquid ejecting head, comprising:
a flow channel substrate made of silicon and having pressure generating chambers that communicate with nozzles through which liquid is ejected;
a pressure generating unit that is disposed on the flow channel substrate so as to oppose the pressure generating chambers and varies a pressure of a liquid in the pressure generating chambers;
a flow channel member comprising a holding section that houses the pressure generating unit, wherein the flow channel member is bonded to a side of the flow channel substrate where the pressure generating unit is disposed, the flow channel member being made of silicon;
a temperature sensor disposed on a side of the flow channel member opposite to the flow channel forming substrate, wherein the temperature sensor has a lead wire for electrical connection;
an additional substrate; and
a circuit that drives the pressure generating unit, wherein the circuit is disposed on the additional substrate;
wherein the lead wire is connected to the additional substrate.
2. A liquid ejecting apparatus comprising the liquid ejecting head according to claim 1, the liquid ejecting apparatus being configured to switch a drive waveform to drive the pressure generating unit in accordance with a temperature detected by the temperature sensor.
3. A liquid ejecting apparatus comprising a liquid ejecting head,
the liquid ejecting head comprising:
a flow channel forming substrate made of silicon and having pressure generating chambers that communicate with nozzles through which liquid is ejected;
a pressure generating unit that is disposed on the flow channel forming substrate so as to oppose the pressure generating chambers and varies a pressure of a liquid in the pressure generating chambers; and
a flow channel member which has a holding section that houses the pressure generating unit and is bonded to a side of the flow channel forming substrate where the pressure generating unit is disposed, the flow channel member being made of silicon and provided with a temperature sensor that is disposed on a side of the flow channel member opposite to the flow channel forming substrate, wherein the temperature sensor has a lead wire for electrical connection, and the lead wire is connected to the substrate on which a circuit that drives the pressure generating unit is formed;
the liquid ejecting apparatus being configured to switch a drive waveform to drive the pressure generating unit in accordance with a temperature detected by the temperature sensor.