PROBLEM TO BE SOLVED: To provide an endoscopic device in which multiple power supplies can be supplied more stably at the tip end of an insertion part and the tip end of the insertion part can be formed in smaller diameter.SOLUTION: An endoscopic device 1 has a power supply unit P for supplying a first power supply and a second power supply from a device body 2 to a load device D provided at a tip end 4 of an insertion part 3； and a power supply control unit C for determining a first instruction signal on the basis of a target voltage V1t and a feedback voltage V1s obtained by feeding back the voltage of the first power supply from the tip end 4 to the device body 2, performing instructions to the power supply unit P so as to output the first power supply according to the first instruction signal, determining a second instruction signal on the basis of the first instruction signal, performing instructions to the power supply unit P so as to output the second power supply according to the second instruction signal, and thereby controlling the power supply unit P.SELECTED DRAWING: Figure 1【課題】 挿入部の先端部に複数系統の電源をより安定的に供給でき、かつ挿入部の先端部をより細径に形成することができる内視鏡装置を提供する。【解決手段】 内視鏡装置１は、挿入部３の先端部４に設けられた負荷装置Ｄに、装置本体２から第１の電源及び第２の電源を供給する電源部Ｐと、目標電圧Ｖ１ｔと、第１の電源の電圧を先端部４から装置本体２に帰還させた帰還電圧Ｖ１ｓとに基づいて、第１の指示信号を決定し、第１の指示信号に応じた第１の電源を出力するように、電源部Ｐに指示を行い、第１の指示信号に基づいて、第２の指示信号を決定し、第２の指示信号に応じた第２の電源を出力するように、電源部Ｐに指示を行い、電源部Ｐの制御を行う電源制御部Ｃと、を有する。【選択図】図１
