LH1540AT 参数 Datasheet PDF下载

LH1540AAB, LH1540AABTR, LH1540AT

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Vishay Semiconductors

SAFETY AND INSULATION RATINGS

PARAMETER

Climatic classification

Pollution degree

Tracking resistance

(comparative tracking index)

Highest allowable overvoltage

Max. working insulation voltage

Insulation resistance at 25 °C

Insulation resistance at T

S

Insulation resistance at 100 °C

Partial discharge test voltage

Safety limiting values -

maximum values allowed

in the event of a failure

Case temperature

Input current

Output power

Measured from input terminals to output

terminals, shortest distance through air

Measured from input terminals to output

terminals, shortest distance path along body

Methode a, V

pd

= V

IORM

x 1.875

V

IO

= 500 V

TEST CONDITION

IEC 68 part 1

DIN VDE 0109

Insulation group llla

Transient overvoltage

Recurring peak voltage

CTI

V

IOTM

V

IORM

R

IS

R

IS

R

IS

V

pd

T

SI

I

SI

P

SO

SYMBOL

VALUE

40/85/21

2

175

8000

890



10

12





10

9

10

11

V

peak

V

peak







V

peak

°C

mA

mW

mm

mm

UNIT

1669

175

300

700



7



7

Minimum external air gap (clearance)

Minimum external tracking (creepage)

TYPICAL CHARACTERISTICS

(T

amb

= 25 °C, unless otherwise specified)

120

100

1.20

I

L

= 100 mA

1.15

Typ.

1.10

Min.

80

60

40

20

I

FON

= 5.0 mA

to 20 mA

I

FON

= 2.0 mA

I

FON

= 4.0 mA

I

FON

= 3.0 mA

LED Forward Voltage (V)

20

40

60

80

Load Current (mA)

1.05

1.00

0.95

- 40

0

- 40

i1540at_00

- 20

0

- 20

0

20

40

60

80

Ambient Temperature (°C)

i1540at_02

Ambient Temperature (°C)

Fig. 1 - Recommended Operating Conditions

1.6

Fig. 3 - LED Dropout Voltage vs. Temperature

LED Forward Current for Switch

Turn-on (%), Normalized to 25 °C

100

80

60

40

20

0

- 20

- 40

- 60

- 40

- 20

0

20

40

60

80

I

L

= 100 mA

LED Forward Voltage (V)

1.5

I

F

= 20 mA

1.4

1.3

1.2

I

F

= 1.0 mA

1.1 I = 2.0 mA

F

1.0

- 40

I

F

= 50 mA

I

F

= 5.0 mA

I

F

= 10 mA

0

20

40

60

80

- 20

i1540at_01

T

A

- Ambient Temperature (°C)

i1540at_03

Ambient Temperature (°C)

Fig. 2 - LED Voltage vs. Temperature

Fig. 4 - LED Current for Switch Turn-on vs. Temperature

Rev. 1.9, 25-Jul-11

3

For technical questions, contact:

optocoupleranswers@vishay.com

Document Number: 83833

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

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

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