 2016 Microchip Technology Inc.

DS20005627A-page 9

HV7350

3.0

FUNCTIONAL DESCRIPTION

Follow the steps below to power up and power down

the HV7350:

POWER-UP AND POWER-DOWN SEQUENCE (Note 1)

Power-Up

Power-Down

Step

Description

Step

Description

1

1

All logic signals go to low

2

2

3

REN = 1 (external supplies on)

3

REN = 0 (external supplies off)

4

4

5

Logic control signals active

5

Note 1: Powering up or down in any arbitrary sequence will not damage the device. The power-up sequence and

power-down sequence are only recommended to minimize possible inrush current.

1.5A

13Ω

6.5Ω

1.5A

13Ω

8Ω