Acer Computer Monitor B243HL User Manual

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Acer Acer –LCD-B243HL
6
3.
Electrical and Optical Characteristics and Performance
3.1 Main Power Supply
3.1.1 Input characteristics
Items Condition Spec Note
AC Input Voltage range Universal input full range 90~264Vac
AC Input Voltage rating Universal input full range 100~240Vac
AC input frequency range 90~264Vac 47~63Hz
AC input frequency rating 100~240Vac 50~60Hz
100Vac 1.5A(max) AC Input Current
240Vac 0.6A(max)
115Vac,cold star,25°C 35A (max)
Inrush Current
230Vac,cold star,25°C 70A(max)
See Note2
AC-DC power Efficiency
DC output full loading ≥80%
Note2. Before each test, the buck capacitor need to be discharged.
Before each test, it must be 10 minutes at least after the latest test.
Hot star not component be damaged.
3.1.2 Output characteristics
Items Condition Spec Note
+25V output <1500mv
+5V output <300mv
Audio 5V output <500mv
USB +5V output <150mv
With system See note 3
+25V output <480mv
+5V output <100mv
Audio 5V output <100mv
Ripple and Noise
USB +5V output <100mv
With dummy Load
25V loading:0.1A~0.8A
5V loading:0.75A~3.2A
Audio 5V: 0A~1A
USB 5V: 0A~2A
Vcc25V:23.5V~29V
Vcc5V: 4.85V~5.35V
Audio 5V: 4.5V~5.5V
USB 5V: 4.75V~5.25V
For system active
DC Output Voltage
25v loading:0A
5V loading: 0.1A
Vcc25V: 23.5V~30V
Vcc5V: 4.85V~5.35V
For power saving or DC
off
DC output loading
capability
Vcc5V/3.2A,
Vcc25V/0.8A
Audio 5V: 1A
USB 5V: 2A
Rise Time
<50mS
Dynamic load change
Hold-up time
AC input: 100V~240V >10mS
Overshoot
<10%
Turn on delay time
2S
Power management See Table-1
Note3: Paralleled a 0.1uF ceramic Cap. And 47uF aluminum Cap. Between the end of DC loading side,
Measured band-width=20MHz.
Ripple voltage of +25V is less than 1500mv when enter into burst mode.
3.1.3 Protection characteristics

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