Acer LCD-S243HL service manual Protection characteristics Condition Spec, DC to DC characteristics

Models: LCD-S243HL

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Acer

Acer –LCD-S243HL

3.Electrical and Optical Characteristics and Performance 3.1 Main Power Supply

3.1.1Adapter 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

 

 

AC Input Current

100Vac

1.2A

 

 

 

 

 

 

240Vac

0.6A

 

 

 

 

 

 

 

 

 

 

Inrush Current

100Vac,cold star,25°C

35A (max)

See Note1

 

 

 

 

240Vac,cold star,25°C

70A(max)

 

 

 

 

 

 

 

 

 

DC output voltage

+19V output

18.05V~ 19.95V

 

 

 

 

 

 

 

DC output loading capability

 

2.1A (max)

 

 

 

 

 

 

 

Output Ripple and Noise

With dummy load

350mV

 

 

 

 

 

 

 

Rise Time

 

<40mS

 

 

 

 

 

 

 

Hold-up time

With system

>10mS

 

 

 

 

 

 

With dummy load

>6mS

 

 

 

 

 

 

 

 

 

 

Overshoot

 

<10%

 

 

 

 

 

 

 

Turn on delay time

 

2S

 

 

 

 

 

 

 

Efficiency

 

≥80%

 

 

 

 

 

 

 

Power management

 

 

See Table-1

 

 

 

 

 

Note1. Before each test, the buck capacitor needs 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 Protection characteristics

 

Protection

 

Condition

 

Spec

 

OVP

 

nominal AC input

 

Output voltage<26V

 

 

 

Latch off.

 

 

 

 

 

 

 

 

 

 

OCP

Auto-recovery

<4A

 

 

 

 

 

 

 

SCP

 

Auto recovery

 

No damage.

 

 

 

 

 

 

3.1.3DC to DC characteristics

Items

Condition

Spec

Note

 

 

 

 

DC input voltage

+19V input

18~20V

 

 

 

 

 

Ripple and Noise

+5V output

<100mv

With dummy

 

 

 

load

 

Audio 5V output

<100mv

 

 

 

 

 

 

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Acer LCD-S243HL service manual Protection characteristics Condition Spec, DC to DC characteristics