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5. POWER SUPPLY (VI-902)
5.1 Electrical specification
5.1.1 AC/DC CKT:
1. Input Voltage: 100 ~ 240 ±10％Vac
2. Input Frequency: 47 ~ 63Hz
3. Input Current: 1.2 Arms Max. @ 100Vac
4. Efficiency: 75% Min.
5. Inrush Current:
Cold Start Up: Less than 30A0-p
Hot Start Up: Less than 42Ao-p and must be met the stress required for all concerned
parts (@Ta=40 degree)
6. Hold Up Time: 20mS Min. @ full load & 100Vac input condition (@Normal working
loading)
7. DC Outputs:
Total Regulation*¹ Output Current
Output Voltage --- MIN. TYP. MAX.
+5Vdc (Vcc) +-5% 0.05A 1.4A 1.5A
+13Vdc (Vinverter) +25%/-10% 0.0A 1.8A 2.2A
+5V audio +-5% 0.0A 1A 1A
*¹ Total Regulation includes (1) Line Regulation (2) Load Regulation
8. Ripple and Noise: Ripple is less than 1%, Noise is less than 3%
l Measured at DC output terminals which are paralleled with a 10uf Ecap & a 0.1uf
Cermic cap.
l Band Width is limited within 20Mhz
9. Protection Function: Auto-recovery design is acceptable, but input power must be less
than 5W
SCP: Short circuit protection must be acted on both outputs
OVP, OCP: No function
OPP: Should be protected when input power consumption is within 60W ~ 80W
10. Input power consumption: Less than 1W @ minimum load (no connected with I/F
board)
11. Over / Under Shoot: Less than +/- 5% of nominal value @ power line on/off
12. Dynamic Load Regulation: Less than +/- 5%
* 0% ~ 100% or 100% ~ 50% load change of any DC output @ 50% duty
of 1Khz <Min.>
13. Turn –On Time: 1 Sec Max.
14. Rise Time & Initial Cold Start: The rise time of +5Vdc output shall be less than msec
and power circuit shall start and function properly when under full load, with worst
case conditions of input voltage / frequency, operating temperature.
15. Output setting voltage of +5Vdc: +5.02 ~ 5.05V
16. Leakage Current: 0.2mA @ 100Vac
17. Insulation Resistance: more than 3M ohms while withstanding a voltage of 500Vac
18. Hi-Pot: 3Kvac with using 5mA cut off current
19.AC Inlet: HUAJIE / SA-4S-066 or equivalent
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