CLM920_AC5 Mini PCIE LTE Module Hardware Manual
Shanghai Yuge Information Technology co., LTD
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Figure 3-3 LDO power reference circuit
Figure 3-4 DCDC power reference circuit
Figure 3-5 MOS tube control power switch reference circuit
1. In order to prevent damage to the module caused by surge and overvoltage, it is
recommended to connect a 5.1V / 500mW Zener diode in parallel to the VBAT pin of the
module.