
B-4
FMT 3000 Hardware Reference Manual - Specifications
Power, Digital I/O Board Technical Specifications
Switching Power Supply
Output Voltage 5.0 Vdc +/- 5 %
Output Current 3 A (max), 2 A (continuous)
Short Circuit Current 4 A (nom)
CPU Board Current 650 mA (typ @ 5 Vdc & 33MHz)
Fully Configured Unit 1.65 A (typ @ 5 Vdc), PCMCIA 340 MB type III Hard Drive,
Hard Drive 33 MHz operating, PC/104 VGA, LCD Backlight, 10BaseT
Fully Configured Unit 1.13 A. (typ @ 5 Vdc) 2M SRAM card, 33 MHz operating
SRAM PC/104 VGA, LCD Backlight, 10BaseT
Noise and Ripple 150 mV peak-peak (max)
Battery Charger
Charge Current 25 mA (nominal) (range) 22-28mA 0-50 deg C
Low Voltage Cutout 7.7 V (nominal) 1 A load (range) 7.5-7.9 V, 1 A, 25 deg C
(range) 7.4-8.0 V, 2 A, 0-50 deg C
Voltage Drop (Batt+to VIN) 0.4 V (max) 1 A, 25 deg C 0.5 V (max) 2 A, 0-50 deg C
On-Battery Detect 10 V +/- 0.5 V
Speaker Drive
Speaker Voltage 4 Selectable levels: 1.25 to 10 Vpp
Speaker impedance 100 Ohm load
Speaker Output 500 mW
Reset Controller and Watchdog
Reset Voltage 4.62 V (nom) (range) 4.50 - 4.74
Reset Pulse Width(min) 250 msec
Watchdog Service Period 0.5 sec (min)
Display Backlight Supply
Current to LCD backlight 200mA, 4x40 LCD display with 5mm char