ISO808 datasheet(36/38 Pages) STMICROELECTRONICS

36 / 38 page

List of figures

Figure 1.

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

Figure 2.

Pin connection PowerSO-36 (top through view) ............................................. 4

Figure 3.

RDS(on) measurement .............................................................. 10

Figure 4.

dV/dT definition .................................................................. 10

Figure 5.

td(ON)-td(OFF) Synchronous Control Mode (SCM) .......................................... 11

Figure 6.

td(ON)-td(OFF) Direct Control Mode (DCM) ............................................... 11

Figure 7.

Watchdog behavior ................................................................ 16

Figure 8.

OUT_EN without effect on output ...................................................... 16

Figure 9.

OUT_EN effective on output channel.................................................... 16

Figure 10.

Direct Control Mode, IC configuration ................................................... 17

Figure 11.

Direct Control Mode, time diagram ..................................................... 18

Figure 12.

Synchronous Control Mode, IC configuration .............................................. 18

Figure 13.

Synchronous Control Mode, time diagram ................................................ 19

Figure 14.

Multiple device Synchronous Control Mode ............................................... 19

Figure 15.

Thermal status update .............................................................. 20

Figure 16.

Switching on resistive load ........................................................... 21

Figure 17.

Switching on bulb lamp ............................................................. 21

Figure 18.

Switching on light inductive load ....................................................... 21

Figure 19.

Switching on heavy inductive load...................................................... 21

Figure 20.

Short-circuit (with OVT) during ON-state ................................................. 22

Figure 21.

Switching on short-circuit (with OVT) .................................................... 22

Figure 22.

Thermal protection flowchart ......................................................... 22

Figure 23.

Thermal protection and fault behavior (TJSD triggered before TCSD)............................... 23

Figure 24.

Thermal protection and fault behavior (TCSD triggered before TJSD)............................... 23

Figure 25.

Reverse polarity protection........................................................... 24

Figure 26.

VDD reverse polarity protection ........................................................ 25

Figure 27.

Single pulse demagnetization energy vs. load current (Typical values at TAMB = 125 °C) ................ 26

Figure 28.

Supply voltage and power output conventions ............................................. 27

Figure 29.

Simplified thermal model of the process stage ............................................. 28

Figure 30.

PowerSO-36 package outline ........................................................ 29

Figure 31.

PowerSO-36 suggested footprint ...................................................... 31

Figure 32.

PowerSO-36 carrier tape ............................................................ 32

Figure 33.

PowerSO-36 shipping tube........................................................... 32

ISO808, ISO808-1

List of figures

DS14169 - Rev 1

page 36/38

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