ISO808ATR datasheet(35/38 Pages) STMICROELECTRONICS

35 / 38 page

Contents

Block diagram .....................................................................3

Pin connection ....................................................................4

Absolute maximum ratings ........................................................6

Thermal data ......................................................................7

Electrical characteristics...........................................................8

Functional description ............................................................14

6.1

Serial interface................................................................ 14

6.2

Serial data in (SDI) ............................................................ 14

6.3

Serial data out (SDO) .......................................................... 14

6.4

Serial data clock (CLK)......................................................... 14

6.5

Slave select (SS).............................................................. 14

6.5.1

Watchdog ............................................................. 16

6.5.2

Output enable (OUT_EN) ................................................. 17

6.6

FAULT and PGOOD indications ................................................. 17

6.7

Truth table ................................................................... 18

6.7.1

Junction over-temperature ................................................ 18

Power section ....................................................................20

7.1

Current limitation .............................................................. 20

7.2

Thermal protection ............................................................ 21

Reverse polarity protection .......................................................23

Reverse polarity on VDD ..........................................................24

Demagnetization energy ..........................................................25

Conventions......................................................................26

11.1

Supply voltage and power output conventions ..................................... 26

Thermal information ..............................................................27

12.1

Thermal impedance ........................................................... 27

Daisy chaining....................................................................28

Package information..............................................................29

14.1

PowerSO-36 package information ............................................... 29

Packing information ..............................................................32

15.1

PowerSO-36 packing information ................................................ 32

Ordering information .............................................................33

Revision history .......................................................................34

ISO808A, ISO808A-1

Contents

DS14170 - Rev 1

page 35/38

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