Power supply system

The utility model discloses a power supply system, comprising a step-down rectification power supply, a filtering unit and a voltage stabilization unit which are connected in sequence. The step-down rectification unit is connected with an input voltage; and the voltage stabilizing unit is connected with external equipment. The power supply system can comprise a step-down rectification power supply, a filtering unit and a voltage stabilization unit, step-down and rectification are carried out through the step-down rectification unit, filtering is carried out through the filtering unit, and relatively stable, continuous and adjustable voltage is output through the voltage stabilization unit, so that electronic equipment such as an adjustable LED driving power supply can be controlled; the electronic equipment can be flexibly adjusted, and the use convenience of the electronic equipment is improved. 本实用新型公开了一种电源系统，包括依次连接的降压整流电源、滤波单元和稳压单元；降压整流单元与输入电压连接；稳压单元和外接设备连接。该电源系统可以包括降压整流电源、滤波单元和稳压单元，通过降压整流单元进行降压和整流，通过滤波单元进