L9857 datasheet(6/11 Pages) STMICROELECTRONICS

6 / 11 page

Electrical specifications

L9857

6/11

Doc ID 12896 Rev 2

VBSUVHYS

VBS supply undervoltage lockout

hysteresis

-0.02

0.2

0.4

IQBS1

VBS supply current

static mode, VBS = 10 V,

IN = 0 V or 5 V

100

μA

IQBS2

static mode, VBS = 18 V,

IN = 0 V or VCC

200

μA

ΔV

VBS drop due to output turn-on

VBS = 17 V, CBS = 1 μF,

tdIG-IN = 3 μs, tTEST = 100 μs

210

Gate driver characteristics

IPKSo1

Peak output source current

VBS = 10 V , Tj = 25 °C

≤ 10 µs

120

250

IPKSo2

VBS = 10 V

≤ 10 µs

150

IPKSo3

VBS = 17 V, Tj = 25 °C

≤ 10 µs

250

500

IPKSo4

VBS = 17 V,

≤ 10 µs

150

300

IHOH,off

HOH off-state leakage current

Guaranteed by design

μA

tr1

Output rise time

VBS = 10 V, Tj = 25°C

0.2

0.4

μs

tr2

VBS = 10 V

0.3

0.5

tr3

VBS = 17 V, Tj = 25 °C

0.1

0.2

tr4

VBS = 17 V

0.15

0.3

IPKSi1

Peak output sink current

IN = VCC, Tj = 25 °C

VBS = 10 V, PW < 10 µs

120

250

IPKSi2

IN = VCC,

VBS = 10V , PW < 10 µs

150

IPKSi3

IN = VCC, Tj = 25 °C

VBS = 17 V, PW < 10 µs

250

500

IPKSi4

IN = VCC,

VBS = 17 V, PW < 10 µs

150

300

tf1

Output fall time

VBS = 10 V, Tj = 25 °C

0.2

0.4

μs

tf2

VBS = 10 V

0.3

0.5

tf3

VBS = 17 V, Tj = 25 °C

0.1

0.2

tf4

VBS = 17 V

0.15

0.3

tplh

Input-to-output turn-on propogation

delay (50 % input level to 10 %

output level)

0.1

0.3

μs

Table 6.

Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

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