| 摘要 |
PROBLEM TO BE SOLVED: To provide a circuit module for a DC/DC converter and a DC/DC converter which facilitate an adjustment of a ripple voltage in accordance with a tolerance of a load circuit.SOLUTION: The circuit module for a DC/DC converter includes: a switching section SW for switching an input voltage Vin input from without; a voltage detection section 21 for detecting an output voltage Vout; a switching control section 22 for executing a PFM mode including a switching process of periodically turning on/off the switching section SW to cause the switching section SW to switch and a stopping process of turning off the switching section SW to stop the switching process when the output voltage Vout exceeds an upper reference voltage Vupper during the execution of the switching process; and connection terminals 201, 202 for receiving a setting of the upper reference voltage Vupper. |
