9 electrical characteristics 2.9.1 power supply – Rainbow Electronics MG260 User Manual
Page 53

MG260 Product Specification
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2.9 Electrical characteristics
2.9.1 Power Supply
2.9.1.1 Introduction
The table below sums up the power supply inputs / outputs available on the
MG260 module:
Power suply
Pin #
I/O
Description
VBATT
75, 77,
78, 79,
80
I
Main power supply for both GPS and GSM
functions
GPS_VANT
18
I
GPS antenna supply
VCC
60
O
2.8 V Power supply for external
digital devices
VCC_RTC
76
I/O
RTC back-up power supply
2.9.1.2 Main power supply (VBATT)
Parameter
Condition
Min
Typ
Max
Unit
Maximum output power
2.0 A peak
3.4
3.8
4.2
V
VBATT voltage
Rising time
10
μs
f*
≤100 kHz
10
mVpp
100 kHz 3 mVpp f*=400 kHz 3 mVpp f*=600/800/1000 kHz 0.5 mVpp f*=500/700/900 kHz 1 mVpp f*=1100 kHz 1 mVpp f*=1200 kHz 1 mVpp f*=1300 kHz 2 mVpp f*=1400/1600 kHz 1 mVpp f*=1500/1700 kHz 3 mVpp Ripple voltage (U ripp ) before RF parameters are damaged At T=25 °C And V=3.8 V f*=1800 kHz 3 mVpp Drop Voltage Maximum output power / V=3.8 V 300 mV f*=ripple frequency measured in the burst.