VND9012AJ datasheet(13/40 Pages) STMICROELECTRONICS

13 / 40 page

7 V < VCC < 18 V; -40°C < Tj < 150°C

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ISENSEH

Current sense output current

in fault condition

13 V < VCC < 18 V; VSENSE = 5 V;

Ch0 in open load;

VIN0 = 0 V; VSEn = 5 V;

IOUT0 = 0 A; VOUT0 = 4 V

8.6

VCC = 7 V; VSENSE = 5 V;

Ch0 in open load;

VIN0 = 0 V; VSEn = 5 V;

IOUT0 = 0 A; VOUT0 = 4 V

4.4

Current sense timings (current sense mode - see Figure 5. Current sense timings (current sense mode))(3)

tDSENSE1H

Current sense settling time

from rising edge of SEn

VIN = 5 V; VSEn = 0 V to 5 V;

RSENSE = 1 kΩ; RL = 2.8 Ω

µs

tDSENSE1L

Current sense disable delay

time from falling edge of SEn

VIN = 5 V; VSEn = 5 V to 0 V;

RSENSE = 1 kΩ; RL = 2.8 Ω

µs

tDSENSE2H

Current sense settling time

from rising edge of INPUT

VIN = 0 V to 5 V; VSEn = 5 V;

RSENSE = 1 kΩ; RL = 2.8 Ω

100

200

µs

ΔtDSENSE2H

Current sense settling time

from rising edge of IOUT

(dynamic response to a step

change of IOUT)

VIN = 5 V; VSEn = 5 V; RSENSE = 1 kΩ;

ISENSE = 90 % of ISENSEMAX;

RL = 2.8 Ω

100

µs

tDSENSE2L

Current sense turn-off delay

time from falling edge of

INPUT

VIN = 5 V to 0 V; VSEn = 5 V;

RSENSE = 1 kΩ; RL = 2.8 Ω

250

µs

tDSENSE3H

Current sense latch-OFF

filtering time

1.4

2.0

2.6

Current sense timings (Multiplexer transition times)(3)

tD_XtoY

Current sense transition delay

from ChX to ChY

VIN0 = 5 V; VIN1 = 5 V; VSEn = 5 V;

VSEL = 0 V to 5 V; IOUT0 = 0 A;

IOUT1 = 4.75 A; RSENSE = 1 kΩ

µs

tD_CStoVSENSEH

Current sense transition delay

from stable current sense on

ChX to VSENSEH on ChY

VIN0 = 5 V; VIN1 = 0 V; VSEn = 5 V;

VSEL = 0 V to 5 V; IOUT0 = 4.5 A;

VOUT1 = 4 V; RSENSE = 1 kΩ

µs

1. Parameter guaranteed by design and characterization; not subject to production test.

2. All values refer to VCC = 13 V; Tj = 25°C, unless otherwise specified.

3. Transition delay is measured up to +/- 10% of final conditions.

VND9012AJ

Main electrical characteristics

DS12727 - Rev 3

page 13/40

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