ITEM NAME:3V to 5V 1A DC Boost Power Supply Module Booster Step Up Circuit Board FT Description 1. Module Properties:  non-isolated step-up module (BOOST) 2. Input voltage:  1-5V 3. Output voltage:  5.1~5.2V 4. Output Current:  Rated 1A~1.5A (Single lithium battery input) 5. Conversion efficiency:  up to 96% ( input voltage, the higher the efficiency ) 6. Switching Frequency:  500KHz 7. Output ripple:  30mV (Max)  20M Bandwidth ( Input 4V, Output 5.1V 1A) 8. Voltage indication:  LED lights with a load (input voltage is lower than 2.7V LED indicator off ) 9. Operating temperature: Industrial grade (-40 Celsius to +85   Celsius  ) 10. Full load temperature rise: 30   Celsius 11. Quiescent Current: 130uA 12. Load regulation:   ± 1% 13. Voltage regulation:   ± 0.5% 14. Dynamic response speed: 5% 200uS 15. Short circuit protection: None 16.Input Reverse Polarity Protection: None 17.Wiring: Welding Package included: 1 pcs.Output Current: Rated 1A~1.5A (Single lithium battery input). Output ripple: 30mV (Max) 20M Bandwidth ( Input 4V, Output 5.1V 1A). Module Properties: non-isolated step-up module (BOOST). Full load temperature rise: 30 Celsius.