L9856 datasheet(8/14 Pages) STMICROELECTRONICS

8 / 14 page

Electrical specifications

L9856

8/14

VBS supply

VBSUV+

VBS supply undervoltage positive

going threshold

VCC rising from 0 V

4.3

VBSUV-

VBS supply undervoltage negative

going threshold

VCC dropping from 5 V

2.8

VBSUVHYS

VBS supply undervoltage lockout

hysteresis

0.02

0.3

0.4

tdUVBS

Undervoltage lockout response

time

VBS steps either from 6.5 V

to 2.7 V or from 2.7 V to 6.5V

0.5

µs

IQBS1

VBS supply current

static mode,

IN = 0 V or 5 V

100

µA

IQBS2

static mode, VBS = 16 V,

IN = 0 V or 5 V

200

µA

ΔV

VBS drop due to output turn-on

CBS = 1 µF,

tdIG-IN = 3μs, tTEST = 100μs

210

Gate driver characteristics

IPKSo1

Peak output source current

Tj = 25 °C

120

250

IPKSo2

150

IPKSo3

VBS = 16V , Tj = 25 °C

250

500

IPKSo4

VBS = 16 V

150

300

IHO,off

HO off state leakage current

guaranteed by design

µA

tr1

Output rise time

Tj = 25 °C

0.2

0.4

μs

tr2

0.3

0.5

tr3

VBS = 16 V, Tj = 25 °C

0.1

0.2

tr4

VBS = 16 V

0.15

0.3

IPKSi1

Peak output sink current

IN = 5 V, Tj = 25 °C

120

250

IPKSi2

IN = 5 V

150

IPKSi3

IN = 5 V, Tj = 25 °C

VBS = 16 V

250

500

IPKSi4

IN = 5 V, VBS = 16 V

150

300

tf1

Output fall time

IN = 5 V, Tj = 25 °C

0.2

0.4

µs

tf2

IN = 5 V,

0.3

0.5

tf3

VBS = 16 V, IN = 5 V,

Tj = 25 °C

0.1

0.2

tf4

VBS = 16 V, IN = 5 V,

0.15

0.3

Table 6.

Electrical characteristics (continued)

Unless otherwise specified, VCC = 5 V, VBS = 7 V, VS = 0 V, IN = 0 V, RES = 5 V,

load R = 50

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

operating ambient temperature range of -40 °C < Tamb < 125 °C.

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

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