STEF512GR datasheet(6/22 Pages) STMICROELECTRONICS

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Electrical characteristics

TJ = 25°C, VIN_5 = 5 V, VIN_12 = 12 V, VEN = 0 V, CIN = 10 µF, COUT = 10 µF; unless otherwise specified.

Table 4. Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

5 V e-fuse

VClamp_5

Output clamping voltage VIN_5 = 8 V

5.5

5.7

5.9

VUVLO_5

Undervoltage lockout

Turn-on, voltage rising

4.25

4.35

4.45

VHyst_5

UVLO hysteresis

Turn-off, voltage falling

1.78

RDSon_5

On-resistance

TJ = 25°C (1)

mΩ

TJ = 125°C

IL_5

Off-state leakage

current

VEN = 5 V, VOUT_5 = GND

µA

ID5

Maximum continuous

current (2) (3)

TA = 25°C

2.5

IShort_5

Short-circuit current limit

0.6

1.4

ILim_5

Overload current limit

2.7

3.3

dV/dt_5

Output voltage ramp

time

From 10% to 90% of VOUT,

Cdv/dt = 100 nF

12 V e-fuse

VClamp_12

Output clamping voltage VIN_12 = 17 V

14.5

15.5

VUVLO_12

Undervoltage lockout

Turn-on, voltage rising

9.4

9.7

VHyst_12

UVLO hysteresis

(12 V rail)

Turn-off, voltage falling

RDSon_12

On-resistance

(12 V rail)

TJ = 25°C (1)

mΩ

TJ = 125°C

IL_12

Off-state leakage

current

VEN = 5 V, VOUT_12 = GND

µA

ID12

Continuous current (2) (3) TA = 25°C

3.5

IShort_12

Short-circuit current limit

1.8

ILim_12

Overload current limit

3.6

4.5

dV/dt_12

Output voltage ramp

time

From 10% to 90% of VOUT,

Cdv/dt = 100 nF

Common features: SAS disable pin, quiescent current

VIL

EN pin low-level input

voltage

Output enabled

0.7

VIH

EN pin high-level input

voltage

Output disabled

2.1

EN pin internal pull-

down resistor

MΩ

STEF512GR

Electrical characteristics

DS13212 - Rev 2

page 6/22

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