L9524C datasheet(8/27 Pages) STMICROELECTRONICS

8 / 27 page

Electrical specifications

L9524C

8/27

3.3

Electrical characteristics

 V

VS;VBAT  18V, -40C TJ125C, unless otherwise specified. The voltages are

referred to GND and currents are assumed positive, when current flows into the pin.

Table 5.

Electrical characteristics

Item

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Supply (VS)

1.1

IVS

Supply current

VS = 12V

1.2

VVS uv

Undervoltage threshold

1.3

VVS uvh

Undervoltage threshold

hysteresis (1)

100

400

1.4

VVS ol

Open-load detection

threshold

5.5

7.2

1.5

VVS ov

Overvoltage threshold

1.6

VVS ovh

Overvoltage threshold

hysteresis (1)

0.4

1.6

1.7

VVS ld

Load dump threshold

1.8

tVS fil

Filter time (2)

1.9

tVS ld

Load dump delay time (1)

s

Supply (BAT)

2.1

IBAT leak

Leakage current

VVS  3V

 V

BAT  12V

A

2.2

RBAT

Internal pull-down

resistance

-40°C

150



30°C

150

125°C

106

150

2.3

VBAT uv

Battery undervoltage

threshold

VMS > VMS tr (transistor mode)

2.4

tBAT fil

Filter time (2)

300

760

s

Charge pump (CP)

3.1

VCP

Charge pump voltage

ICP = -100A

VVS

+5V

VVS

+18V

3.2

ICP

Charging current

VCP = VVS + 5V

-1500

-100

A

3.3

VCP uv

Charge pump

undervoltage threshold

VVS

+3.5V

VVS

+5V

3.4

fCP

Charge pump frequency

(1)

0.6

MHz

3.5

tCP fil

Filter time (2)

400

950

s

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