Function Description: TL494 PWM regulator module, can adjust the output frequency and duty radio, widely used in switching power supplier, PWM drive circuit. Feature: PWM output frequency in the range 500Hz-100KHz can be adjustable, maximum duty cycle to 96%.Output drive capability, signal stability;Working voltage: DC 7V-40V Limit 42V;Maximum output current: 250mA;Output voltage: DC5VMaximum power consumption: 1000mW;Working ambient temperature: 0-70 ℃Positioning hole: 2.7mm diameter(M2.5)Board size: 26mmx23mmPackage included:1 x TL494 PWM Controller