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FIBOCOM MC610 Series Hardware Guide 27/70
100 uF-220 uF capacitance.
Filter out the interference caused by clock
and digital signal.
700 MHz, 850 MHz/900 MHz band
Filter out RF interference of LF band
1,700 MHz/1,800 MHz/1,900MHz,
2,100 MHz/2,300 MHz, 2,500 MHz/
2,600 MHz band
Filter out RF interference of MF/HF band
The stability of power supply can ensure the normal operation of MC610 modules. During the design, it is
necessary to pay special attention to that the ripple wave of power supply is lower than 300 mV (line
ESR<150 mΩ), and ensure that the power supply voltage is not less than 3.4 V at the maximum operating
current of the module (about 2 A); otherwise, the module may be powered down, shut down or restarted.
The power supply limitation is shown in the following figure:
Figure 3-3 Power supply limitation
It is suggested that customers should add TVS (recommended model: SMBJ5.0A) to VBAT input to
improve the surge protection capability of products.
3.2.2 1.8 V Output
MC610 series modules output 1.8 V voltage through VDD_IO for the use of the internal digital circuit of
Burst transmit Burst transmit
min:3.4V
VBAT
Ripple≤300mV
Drop
VBAT≥3.4V
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