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WL1801MOD Vbat Value

Dan Cristy
Intellectual 2615 points
Other Parts Discussed in Thread: WL1801MOD

Hi Team –

We are looking to eliminate the need for an LDO in a design, and were looking to drive Vbat of the WL1801MOD at

4.4V – 4.45V.

Section 5.4 of the datasheet shows 4.8V being applicable for 2.3 years, and mentions that it should not exceed 4.3 V.

Is it ok to drive this at 4.4V – 4.45V?

What is the lifetime of the module at this supply voltage?

What part of the module suffers most from the voltage stress?

I appreciate your support,

Dan