1.SCOPE:
The purpose of the document is to specify the functional requirements of a 8.4w switching power supply Charger.
2.INPUT CHARACTERISTICS:
2.1 DC(DC Input Voltage):12V±0.5V
2.2 DC (AC Input Current):2A
2.3 AC(AC Input Voltage):1A
Nominal Voltage:100-240Vac
Variation Range:90-264Vac
2.4 AC(AC Input Frequency):
Nominal Frequency: 50/60Hz.
Variation Frequency:47/63Hz
2.5 AC Input Current:0.2Arms max At any input voltage and rated. DC output rated load.
2.6 AC Inrush Current:30 Amps Max.Cold start at 240Vac input,with rated load and 25℃ ambient.
2.7 AC Leakage Current: 1 mA Max.At 240Vac input.
3. OUTPUT CHARACTERISTICS:
3.1 Power Output; No load, the rated output voltage of 4.2 V±1%/1.48 V ±1%  dynamic scanning identification lithium electricity, nickel metal hydride output .
3.2 charging state:
When normal to lithium batteries,every road constant-current charging 500 mah
3.3Charging status display:
When the battery into the charging status, charge indicator light blue lights turn red. When a full charge, charge indicator from red to blue light. When charger without access to the battery status indicator light blue.
3.4 Ripple And Noise :
The ripple and noise are as follows when measure with Max.Bandwidth of 20MHz and Parallel 47uF/0.1uF,crossed connected at testing point.
.2 charging state:
When normal to lithium batteries,every road constant-current charging 500 mah
Size:L139*W96*H35mm
Weight: 450