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Vishay Siliconix

E22-0335. A, 15-Aug-2022

3

Document Number: 63175

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ELECTRICAL SPECIFICATIONS

PARAMETER

SYMBOL

TEST CONDITIONS UNLESS SPECIFIED

VIN = 12 V, TJ = -40 °C to +125 °C,

VEN(H) = 2.4 V, COUT = 0.1 μF, RLIM = 4.1 k

LIMITS

UNIT

MIN.

TYP.

MAX.

Power Supply

Power input voltage

VIN

Operating input voltage range

2.8

-

28

V

Quiescent current

IQ(ON)

EN = 1.8 V, VIN = 2.8 V to 28 V, VOUT open

-

250

340

μA

Shutdown current

IQ(SD)

VIN = 2.8 V to 28 V, EN = 0 V, TA = 25 °C

-

0.6

5

OVP switch-off current

IQ(OVP)

VIN = 2.8 V to 28 V, EN = 2.4 V, OVP = 1.4 V

-

1

-

VIN ULVO

Switch VOUT leakage

IUVLO_OUT

-100

-

+100

nA

Switch VIN leakage

IUVLO_IN

--

5

μA

Overvoltage Protection

OVP threshold

VOVP

VIN = 12 V, OVP rising

1.14

1.2

1.26

V

OVP hysteresis

OVPHST

60

105

140

mV

OVP leakage

IOVP

VOVP = 1.2 V on the pin, TA = 25 °C

-

40

100

nA

IN pin internal fixed OVP

INOVP

TA = 25 °C

23

24

25.6

V

EN / UVLO

EN on threshold

VUVPR

VEN rising

-

1.25

-

V

EN off threshold

VUVPF

VEN falling

-

1.05

-

EN / UVLO leakage

VEN = 1.2 V

-0.25

-

+0.25

μA

Overcurrent Protection

Current limit voltage threshold

VOCP

Voltage that triggers the OCP

shown on ILIM pin

-0.6

-

V

Current limit accuracy

IOCP

VIN - VOUT = 1 V, RSET = 4.1 k

1.39

1.5

1.6

A

3.32

3.5

3.68

Current limit setting range

Minimum RSET = 1.77 k

0.25

-

3.5

Current limit hold-up time

tILIM

Current limiting timeout, if no OTP

4

6

8

ms

Power Switch

On resistance

RDS(ON)

VIN = 3 V to 22 V, IOUT = 1 A, TJ = 25 °C

-

78

100

m



VIN = 3 V to 22 V, IOUT = 1 A, TJ = 85 °C

-

-

130

Output leakage at switch off

VIN = 28 V, VEN = 0 V, VOUT = 0 V, sourcing

-

-

5

A

PGD, Power Good

PGD pull-down resistance

RPG

VIN = 5 V, output pin = 0.1 V

-

5.2

10



PGD oll leakage

IPG

Biased with 5 VDC

-0.01

1

μA

Switching Characteristics

EN / UVLO

Switch turn-on delay time

TON_DLY

From EN / UVLO voltage, VUVPR to VOUT

reaches 10 % VIN, RL = 10, CL = 10 μF,

CSS open

-

190

-

μs

Shutdown delay

TOFF_DLY

From EN / UVLO low to VOUT = 0.9 x VIN,

RL = 10 , CL = 10 μF, CSS open

-10

-

OVP Timing

OVP off time

tOVP

RL = 100 , CL = 0 μF, OVP steps from 1 V to

1.4 V; measured from OVP pin voltage

crossing 1.2 V threshold to VOUT = 0.9 x VIN

-0.3

1

μs

Internal OVP off time

tOVP_INT

RL = 100 , CL = 0 μF, VIN steps from 22 V to

26 V; measured from VIN pin voltage crossing

24 V threshold to VOUT = 0.9 x VIN

-1.5

-

Flag reporting delay

PGD pull up to 5 V through a 100 k

;

delay time from OVP pin voltage step

to PGD is below 0.5 V

--

2

Overcurrent protection

Moderate overcurrent protection

tOCP

Load current is 120 %

of current limit threshold

-1.1

-

μs