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Acer 530 User Manual

Page 39

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Chapter 1

31

Thermal

All components on inverter board should follow below rules:

1. Component using conditions (component stress) must be within component specification including voltage
rating, current rating, temperature etc.

2. Component temperature shold follow below:

T

T <=30 Celsius degrees, at 25, 35 Celsius degrees.

T

Component temperature should be less than 70 Celsius degrees inside system at 35 Celsius degrees.

System Power Management

AC Adapter

Item

Specification

Vendor & model name

ADAPTER ASTEC SA80-3115-0583 and Liteon PA-1750-02CA

Input Requirements

Maximum input current (A,
@90Vac, full load)

1.2 Arms @ 90V
0.6 Arms @ 265V

Nominal frequency (Hz)

47 - 63

Frequency variation range (Hz)

47 - 63

Nominal voltages (Vrms)

90 - 265

Inrush current

The maximum inrush current will be less than 50A and 100A when the adapter
is connected to 115Vac(60Hz) and 230Vac(50Hz) respectively.

Efficiency

It should provide an efficiency of 84% minimum, when measured at maximum
load under 115V(60Hz).

Output Ratings (CV mode)

DC output voltage

19.0V including the effects of line voltage variation, load current, ripple and
noise

Noise + Ripple

300mvp-pmax (20MHz bandwidth) for resistor load

Output current

0 A (min.) 3.5A (max.)

Output Ratings (CC mode)

DC output voltage

19.0

Constant output

3.68A

Dynamic Output Characteristics

Start-up time

3 sec. (@115Vac)

Hold up time

6 ms min. (@120 Vac input, full load)

Over Voltage Protection (OVP)

27 V

Short circuit protection

Output can be shorted without damage, and auto recovery

Electrostatic discharge (ESD)

15kV (at air discharge)
8kV (at contact discharge)

Dielectric Withstand Voltage

Primary to secondary

4242 Vdc for 1 second

Leakage current

250uA max at 250Vrms

Regulatory Requirements

1. FCC class B requirements(USA)

2. VDE class B requirements(German)
3. VCCI classII requirements(Japan)

ACPI mode

Power Management

Mech. Off (G3)

All devices in the system are turned off completely.

Soft Off (G2/S5)

OS initiated shutdown. All devices in the system are turned off
completely.

Working (G0/S0)

Individual devices such as the CPU and hard disk may be power
managed in this state.