| 摘要 |
PROBLEM TO BE SOLVED: To ensure the constant current control time under high temperature state, without compromising the circuit efficiency and use conditions when the winding components of a current control circuit such as a step-down converter are under low temperature state, in a flash discharge lamp lighting device.SOLUTION: The flash discharge lamp lighting device for flash lighting a flash discharge lamp includes: a step-up charging circuit for charging a power storage element up to the charge completion voltage by boosting an input voltage; a current control circuit for starting the flash discharge lamp and controlling the output current to the flash discharge lamp from the voltage charging the power storage element; a temperature measurement section for detecting the temperature of the winding components configuring the current control circuit; and a control section for controlling the step-up charging circuit and the current control circuit. The control section is configured to raise the charge completion voltage as the temperature of the winding components thus detected rises. |
