User's Manual

Telit TRIZIUM Product Description
80264ST10007a Rev. 4– 09/09/04
Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved page 19 of 202
2.13 RTC Bypass out
The PIN VRTC brings out the Real Time Clock supply which is separate from the rest of the digital part, allowing to
have only RTC going on when all the other parts of the device are off.
To this power output a backup capacitor can be added in order to increase the RTC autonomy during power off of the
battery. NO Devices must be powered from this pin.
2.14 Vout power output
A regulated power supply output is provided in order to supply small devices from module.
This output is active when the module is ON and goes off when module is shut down.
The operating range characteristics of the supply are:
Operating Range - Vout power supply
Min Typ Max
Output voltage 2.75V 2.85V 2.95V
Output current 100mA
Output bypass capacitor 2.2µF