STEF05D datasheet(6/19 Pages) STMICROELECTRONICS

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Electrical characteristics

STEF05D

6/19

DocID024394 Rev 1

Electrical characteristics

VCC = 5 V, VEN = 3.3 V, CI = 10 µF, CO = 47 µF, TJ = 25 °C, unless otherwise specified

Table 6. Electrical characteristics for STEF05D

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Under/Overvoltage Protection

VClamp

Output clamping voltage

VCC = 10 V

5.95

6.65

7.7

VUVLO

Undervoltage lockout

Turn-on, voltage going up

3.2

3.6

4.3

VHyst

UVLO Hysteresis

0.40

Power MOSFET

tdly

Delay time

Enabling of chip to ID = 100 mA

with a 1 A resistive load

200

µs

RDSon

ON resistance(1)

TJ = 25 °C



TJ = 125 °C

(2)

VOFF

Off state output voltage

VCC = 10 V, VGS = 0,

RLimit = infinite

200

Continuous current

0.5 inch² pad (2), TA = 25 °C

3.6

Minimum copper, TA = 80 °C

1.7

Current Limit

IShort

Short-circuit current limit

RLimit = 11 

3.1

4.1

5.1

ILim

Overload current limit

RLimit = 11 

dv/dt Circuit

dv/dt

Output voltage ramp time

Enable to VOUT=4.7V, No Cdv/dt

0.8

Enable/Fault

VIL

Low level input voltage(2)

Output Disabled

0.35

0.58

0.81

VI(INT)

Intermediate level input

voltage(2)

Thermal Fault, Output Disabled

0.82

1.4

1.95

VIH

High level input voltage

Output Enabled

1.96

2.64

3.3

VI(MAX)

High state maximum voltage

3.4

4.3

5.4

IIL

Low level input current (sink)

VEnable = 0 V

-10

-30

µA

High level leakage current for

external switch

VEnable = 3.3 V

µA

Maximum fan-out for fault signal

Total numbers of chips that can

be connected to this pin for

simultaneous shutdown

3Units

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