NEC NEC Versa 2500 Series User's Guide 25-10584-00 Personal Computer User Manual


 
General Specifications 2-15
DC/DC CONVERTER & BATTERY CHARGER SPECIFICATIONS
The following table lists DC/DC converter & battery charger specifications.
Table 2-14 DC/DC Converter & Battery Charger
Specifications
ITEM SPECIFICATION
Input Voltage 6V -> 19V
Output Voltage 12V, 5V, 3.3V
Output Current 0.1A, 2.5A, 2.5A
Output Ripple
Voltage
150mV, 100mV, 100mV
Protection Short Circuit Protection, OCP
Input under voltage latch
Efficiency 80% Min. (Typ.)
PCB 1.2mm / 6 Layers
BATTERY CHARGER SPECIFICATIONS
The following table lists battery charger specifications.
Table 2-15 Battery Charger Specifications
ITEM SPECIFICATION
Input Voltage 20V (Max.)
Support Battery NiMH Battery (12V)
Protection Max. Temp., Max. Timer
Charge Method
Delta T / Delta t: 1
o
C (min.)
Max. Temperature
53
o
C ~ 60
o
C
Timer Setting 360 Min.
Charge Time Machine On: 6 hours
Machine Off: 1.5 hours
Charge IC BQ2005
Connector To M/B:
10 Pin & 18 Pin, Male, Straight, DIP/SMT
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