LM8335

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SNVS840 – JUNE 2012

Figure 6. Extended Register Write Command Sequence

INTERNAL POR OPERATION

There are two internal POR circuits: one on the VDD supply and one on the VDDIO supply that initialize the

LM8335 when power is applied. The duration of the reset is an RC delay which is based on the ramp rate and

not a threshold voltage of the VDD/VDDIO supply. VIO can be activated as soon as VDD and VDDIO have

reached their minimum respective voltage levels however the LM8335 may still be in reset due to the internal

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