L9332 datasheet(10/17 Pages) STMICROELECTRONICS

10 / 17 page

Electrical specifications

L9332

10/17

Protection and diagnostic functions

VOUV

Output open load voltage

threshold

0.525 x

0.55 x

0.575 x

VOUV hys

Output open load voltage

hysteresis

250

IOUC

Output open load current

threshold

VEN = VIN = 2 V;

VS = 6.5 to 16 V

140

IOOC 1, 2, 3, 4 Over load current threshold

TSD

Thermal shut down

185

205

225

°C

Tsd-hys

TSD hysteresis

VPGL

Power-GND-loss threshold

2.5

VSGL

Signal-GND-loss threshold

0.1

0.6

Diagnostic outputs D1 - D4

VDL

Diagnostic output low

voltage

ID ≤ 2mA

1.0

RDon

Output resistor

500

IDLE

Diagnostic output

leakage current

Tj = 140 °C

VD = 14 V

0.1

µA

-40 °C < Tj ≤ 175 °C

VD = 14 V

µA

IDCL

Diagnostic output

current limitation

228

Timing

tON

Output delay on time

(2) Figure 5

125

µs

tOFF

Output delay off time

Figure 5

µs

toff-ton

Delta off on time (channel 1 +2)

< 150 °C

µs

> 150 °C

µs

Delta off on time (channel 3 +4)

-40 °C < Tj ≤ 175 °C

µs

Diagnostic delay time

(2) Figure 5 & 6

450

µs

Open pins (EN, IN) are detected as low

VS = 9 to 16V ∧ IOUC ≤ IO ≤ IOOC

Table 7.

Electrical characteristics (continued)

Symbol

Parameter

Test conditions

Values Tj1

Unit

Min.

Typ.

Max.

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