Semiconductor device

1. A semiconductor device comprising:

a control voltage generator configured to generate a control voltage according to a temperature section signal and an input voltage;

a temperature voltage output block configured to output a temperature voltage varying with a temperature according to the control voltage and the temperature section signal;

a voltage selector configured to select one of a plurality of voltages as the input voltage according to the temperature section signal; and

a voltage divider configured to generate the plurality of voltages by dividing a driving voltage.

2. The semiconductor device of claim 1 , wherein the control voltage generator comprises:

a first resistor block having a first resistance value controlled by the temperature section signal; and

a second resistor block having a second resistance value controlled by the input voltage,

wherein the control voltage is determined by a ratio between the first resistance value and the second resistance value.

3. The semiconductor device of claim 2 , wherein the second resistor block includes a transistor and the second resistance value is controlled by the input voltage applied to a gate of the transistor.

4. The semiconductor device of claim 2 , wherein the temperature voltage output block comprises:

a third resistor block having a third resistance value controlled by the temperature section signal; and

a fourth resistor block having a fourth resistance value controlled by the control voltage,

wherein the temperature voltage is determined by a ratio of the third resistance value and the fourth resistance value.

5. The semiconductor device of claim 4 , wherein the fourth resistor block includes a transistor and the resistance value of the fourth resistor block is controlled by the control voltage applied to a gate of the transistor.