STV7623

Functional description

Doc ID 018939 Rev 1

7/27

2.2

Device power supply

The STV7623 must be used with the following conditions when operating:

–

VP - VN < 75 V

–

VP-DGND > 10 V

–DGND-VN > 10V

Figure 4.

Device power supply

2.3

Power sequencing

To prevent the device from being damaged by latchup, the power ON/OFF sequence it is

recommended to follow the procedure below:

–

Power OFF => ON: DVDD -> VN -> VP

–

Power ON => OFF, VP -> VN -> DVDD

AM08733V1

Logic input

VP

DVDD

DGND

VN

Output 1 to 480