User's Manual

H350 LGA Serials Module Hardware User Manual Page of
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Input power supply requirements:
Parameter Minimum Value Recommended Value Maximum Value Unit
VBAT 3.3 3.8 4.5 V
Note:
1. Supply voltage fluctuations need to be lower than 300mV.
2. Supply voltage drop minimum value needs to be higher than 3.3V.
Filter capacitor description:
Recommended
capacitor
Application Description
1000uF
GSM Transmit current
serge
Minimizes power supply losses during
transmit bursts. Use high capacitance value
as possible as you can.
10nF, 100nF Digital signal noise
Filtering interference from clock and data
sources
8.2pF, 10pF
1800/1900/2100 MHz
bands
Filters transmission EMI.
33pF, 39pF 850/900 MHz bands
Filters transmission EMI.
5.1.2 Power Consumption
Parameter Description Condition Typical Value Unit
I OFF RTC mode 68 uA
I IDLE
Idle mode(GSM) MFRMS 5 12.1 I IDLE
WCDMA DRX 8 12.5
I SLEEP
Low power mode
(GSM)
DRX
2 1.9
I SLEEP
5 1.5
9 1.5
Low power mode
(WCDMA)
DRX
6 1.8
8 1.8
9 1.7
I GSM-RMS
GSM voice -
1 TX slot
1 RX slot Peak
current
During TX slot
GSM850 PCL
5 239.00
I
GSM-RM
S
10 81.80
15 50.10
19 46.30
EGSM900
5 246.7