L9857

Electrical specifications

Doc ID 12896 Rev 2

5/11

2.3

Recommended operating conditions

For proper operations the device should be used within the recommended conditions.

2.4

Electrical characteristics

load R = 50

Ω, C = 2.5 nF. Unless otherwise noted, these specifications apply for an

operating junction temperature range of -40 °C

≤ T

Table 5.

Recommended operating conditions

Parameter

Value

Units

Symbol

Definition

Min.

Max.

High side driver output stage voltage -5 V

transient 0.1µs

1.

VS+18

V

High side floating supply offset voltage

- 20 V transient 0.1µs

-5

300

V

Output voltage gate connection

V

Supply voltage

10

18

V

Input voltage

0

V

Reset input voltage

0

V

Switching frequency

-

200

kHz

Ambient temperature

-40

125

°C

Table 6.

Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

7.2

-

9.6

V

hysteresis

-0.02

0.2

0.4

V

Undervoltage lockout response

time

to 6 V or from 6 V to 10 V

0.5

-

20

μs

-

-

-

400

μA

7.2

-

9.6

V

Undervoltage lockout response

time

to 6 V or from 6 V to 10 V

0.5

-

20

μs