LH1556AB datasheet(2/8 Pages) VISHAY

Part #	LH1556AB

Description	Dual 1 Form A Solid-State Relay

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Manufacturer	VISHAY [Vishay Siliconix]

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LH1556AAC, LH1556AACTR, LH1556AB

www.vishay.com

Vishay Semiconductors

Rev. 1.7, 25-Jul-11

2

Document Number: 83842

For technical questions, contact: optocoupleranswers@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Notes

• Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not

implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute

maximum ratings for extended periods of the time can adversely affect reliability.

(1) Refer to current limit performance application note for a discussion on relay operation during transient currents.

(2) Refer to reflow profile for soldering conditions for surface mounted devices (SMD). Refer to wave profile for soldering conditions for through

hole devices (DIP).

Note

• Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering

evaluations. Typical values are for information only and are not part of the testing requirements.

ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)

PARAMETER

TEST CONDITION

SYMBOL

VALUE

UNIT

INPUT

LED continuous forward current

IF

50

mA

LED reverse voltage

IR  10 μA

VR

8.0

V

OUTPUT

DC or peak AC load voltage

IL  50 μA

VL

350

V

Continuous DC load current, one pole operating

IL

120

mA

Continuous DC load current, two poles operating

IL

110

mA

SSR

Peak load current (single shot)

t = 100 ms

IP

(1)

mA

Ambient temperature range

Tamb

- 40 to + 85

°C

Storage temperature range

Tstg

- 40 to + 150

°C

Pin soldering temperature (2)

t = 10 s max.

Tsld

260

°C

Input to output isolation voltage

VISO

5300

VRMS

Output power dissipation (continuous)

Pdiss

550

mW

ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)

PARAMETER

TEST CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

INPUT

LED forward current, switch turn-on

IL = 100 mA, t = 10 ms

IFon

1.1

2.0

mA

LED forward current, switch turn-off

VL = ± 350 V

IFoff

0.2

1.0

mA

LED forward voltage

IF = 10 mA

VF

1.15

1.26

1.45

V

OUTPUT

On-resistance AC/DC: pin 4 (±) to 6 (±)

IF = 5.0 mA, IL = 50 mA

RON

28

35



On-resistance DC: pin 4, 6 (+) to 5 (-)

IF = 5.0 mA, IL = 100 mA

RON

7.0

10



Off-resistance

IF = 0 mA, VL = ± 100 V

ROFF

0.5

300

G



Current limit AC/DC

IF = 5.0 mA, VL = ± 6.0 V, t = 5.0 ms

ILMT

170

210

250

mA

Off-state leakage current

IF = 0 mA, VL = ± 100 V

IO

0.35

200

nA

IF = 0 mA, VL = ± 350 V

IO

0.096

1.0

μA

Output capacitance pin 4 to 6

IF = 0 mA, VL = 1.0 V

CO

18

pF

IF = 0 mA, VL = 50 V

CO

6.7

pF

Switch offset

IF = 5.0 mA

VOS

0.3

μV

TRANSFER

Capacitance (input to output)

VISO = 1.0 V

CIO

0.67

pF

SWITCHING CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)

PARAMETER

TEST CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

Turn-on time

IF = 5.0 mA, IL = 50 mA

ton

1.14

3.0

ms

Turn-off time

IF = 5.0 mA, IL = 50 mA

toff

0.71

3.0

ms

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