Quark Up R1270 - R1270CEVB - Technical Information Manual
16
Pin name
Pin No.
Parameter
Min
Type
Max
Unit
VIN
3
17,19
Input s uppl y vol ta ge
4.75
5.00
5.25
V
Suppl y current (i dl e)
30
mA
Suppl y current (RF ON @
23dBm)
0.32
A
Suppl y current (RF ON @
27dBm)
0.55
A
Tab. 2.3: Quark Up R1270 supply and I/O connector electrical characteristics
Power supply connection
In the fol l owi ng s chema ti c s ugges ted R1270 power s uppl y connecti on i s s hown.
An externa l 100uF bypa s s ca pa ci tor between Vi n a nd GND i s recommended for proper opera ti on.
The us e of fuse F1 (or a n equivalent s olid state current limiter) is recommended since R1270 doesn't provi de i nterna l
current l i mi ta ti on protecti on.
Fig. 2.2: Quark Up R1270 power supply connection
3
External 100uF bypass capacitor between Vin and GND is recommended for proper operation.
Quark Up
Module
