Medio S001/S002 Reader Integrator's Guide
10.3 Power Supply DC Characteristics
Parameters
Conditions
Min.
Typ.
Max.
Unit
Comments
VCC Power Input Voltage
4
6
V
VCC Power On Input Peak
Current
300
mA
VCC Power On Input Peak
Current Recovery Time
10 ms
Input Voltage = 4V
185
mA All peripherals powered RF On
Input Voltage = 5V
140
mA
Input Voltage = 6V
115
mA
Input Voltage = 4V
25
mA All peripherals powered RF Off
Input Voltage = 5V
20
mA
Input Voltage = 6V
18
mA
Input Voltage = 4V
14 mA Sleep Mode (firmware)
Input Voltage = 5V
12 mA
Input Voltage = 6V
10 mA
Input Voltage = 4V
340
µA Shutdown State (Pin)
Input Voltage = 5V
420
µA
VCC Input Current (No I/Os
connected*)
Input Voltage = 6V
500
µA
(*) : The power requirements of a connected I/O increase the reader total consumption.
Figure 23: Input Current vs. Temperature
(V
CC
Pin at 5 V – RF On - No I/O Connected)
0
50
100
150
-10
0
10
20
30
40
50
60
Temperature (°C)
In
p
u
t Cu
rr
en
t (mA
)
44/
48
Revision 1.4
September 2003