This power supply has temperature protection, over current protection and short circuit protection, AC90~240V wide voltage input, DC3.3V output, small size, 431 precise voltage regulation
1, environment
Operating temperature: -20 to 60
Relative temperature: 40 to 90%RH
2, technical requirements
2.1, input characteristics
Input voltage range: 85 AC V to 240 AC V
Input current: 0.0273 (AC110V) 0.014 (AC220V)
Input surge current: 20A
2.2, output characteristics
2.2.1, output adjustment rate characteristic
Output voltage range: 3.1~3.5V
Output current range: 0A to 600MA, peak current 700MA
2.2.2 , other output characteristics
Output power: 2.5w. maximum value 3W
Output efficiency: 85%
Output ripple: 150MV
Switch machine overshoot: 10%
Output rise time: 100ms
2.3, protection function
Output power protection: the recovery characteristics: dead lock, restart after recovery
Short circuit protection: recovery characteristics: dead lock restart after recovery
Temperature protection: recovery characteristics: dead lock, restart after recovery
Overcurrent protection: recovery characteristics: dead lock, restart after recovery