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Chapter 1 37
AC Adapter
Item Specification
Vendor & model name Delta 3-pin, 19V 3.95A, 64W
Hipro 3-pin, 19V 3.95A, 65W
Lite-on 3-pin, 19V 3.95A, 60W
Details 65W 8-cell Li-ion battery pack
42W 6-cell Li-ion 2
nd
battery pack
T 5-hour battery life on Intel 915GM models
T 3.5-hour charge-in-use
T 2.5-hour rapid charge
Input Requirements
Maximum input current (A,
@100Vac, full load)
1.8A max@3.5A/100Vac and 240 Vac
Nominal frequency (Hz) 47 - 63
Frequency variation range
(Hz)
47 - 63
Nominal voltages (Vrms) 90 - 264
Inrush current The maximum inrush current will be less than 50A and 100A when
the adapter is connected to 100Vac(60Hz) and 240Vac(50Hz)
respectively.
Efficiency High efficiency 85% minimum, at 100~240Vac AC input, full load,
warm-up condition.
Output Ratings (CV mode)
DC output voltage Offers constant voltage 19.0V output source with 150W max output
power capacity.
Noise + Ripple 300mvp-pmax (20MHz bandwidth) for resistor load
Output current 0 A (min.) 3.5A (max.)
Output Ratings (CC mode)
DC output voltage 18.0 ~ 20.0
Constant output 7.9A
Dynamic Output Characteristics
Start-up time 3 sec. (@115 Vac and 230Vac full load)
Hold up time 5ms min. (@115 Vac input, full load)
Over Voltage Protection
(OVP)
25V
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 60uA at 240Vac/60Hz
Regulatory Requirements 1. FCC class B requirements (USA)
2. VDE class B requirements (German)
3. VCCI classII requirements (Japan)