ISO808 datasheet(9/38 Pages) STMICROELECTRONICS

9 / 38 page

Table 6. Diagnostic pin and output protection function

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VFAULT FAULT pin open drain voltage output low

IFAULT = 5 mA

0.4

ILFAULT FAULT output leakage current

VFAULT = 5 V

μA

IPEAK

Maximum DC output current before limitation

VCC = 24 V RLOAD = 0 Ω

2.3

ILIM

Short circuit current limitation

ISO808

0.7

1.9

ISO808-1

Hyst

ILIM tracking limits

0.3

TJSD

Junction shutdown temperature

150

175

200

°C

TJR

Junction reset temperature

150

°C

TJHYST Junction thermal hysteresis

°C

TCSD

Case shutdown temperature

125

130

135

°C

TCR

Case reset temperature

115

°C

TCHYST Case thermal hysteresis

°C

VDEMAG Output voltage at turn-off

IOUT = 0.5 A; ILOAD ≥ 1 mH

VCC-50 VCC-54 VCC-58

Table 7. Power switching characteristics (VCC = 24 V; RLOAD = 48 Ω; -40 °C < TJ < 125 °C)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

dV/dt(ON)

Turn-on voltage slope

(see Figure 4 )

0.7

V/μs

Rise time

μs

dV/dt(OFF)

Turn-off voltage slope

1.5

V/μs

Fall time

μs

td(ON)

Turn-ON delay time

(see Figure 5, Figure 6)

μs

td(OFF)

Turn-OFF delay time

μs

tw(OUT_EN)

OUT_EN pulse width

(see Figure 8, Figure 9)

150

tp(OUT_EN)

OUT_EN propagation delay

μs

ISO808, ISO808-1

Electrical characteristics

DS14169 - Rev 1

page 9/38

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