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LZT 123 1836 34
5.5 Regulated Power Supply Input (VCC)
Pin Name Direction Function
2 VCC Input DC power
4 VCC Input DC power
6 VCC Input DC power
8 VCC Input DC power
10 VCC Input DC power
12 VCC Input DC power
Power is supplied to the wireless modem VCC pins, from an external source.
User application circuitry should connect all VCC pins together in to carry the current
drawn by the wireless modem.
The electrical characteristics for VCC are shown in the following table.
Parameter Mode Limit
Nominal 3.6 V
Min 3.2 V
Max 4.5 V
Absolute maximum limit -0.3V to 6.5V
VCC Supply voltage
Maximum supply ripple
<100mV @<200kHz
<20mV @>200kHz
Maximum allowable voltage drop Transmission burst 200mV
2100 mA peak
Maximum current consumed Full power (2W) transmit
340 mA average
Stresses in excess of the absolute maximum limits can cause
permanent damage to the device. These are absolute stress ratings
only. Functional operation of the device is not implied at these or any
other conditions in excess of those given in the normal Min & Max
values stated. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
!
WARNING