Datasheet LT310 Datasheet (LETEX)

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1

Photo DMOS-FET Relay

is a miniature 2

coupled MOSFET technology to provide 1500V of input to output isolation. The Input of optical

1500Vrms Input/Output isolation Tape & Reel version available

Measuring and Testing equipment

Description

The L T310

coupler been controlled by a highly efficient GaAlAs infrared LED and MOS FETs on the output side.

-Form A solid state relay in a 8 pin SOP package that employs optically

Features

‧

SOP package 8 Pin type in miniature design (4.4×9.4×2.0mm / .173×.37×.083inch)

‧

Low driver power requirements (TTL/CMOS Compatible)

‧

High reliability

‧

Arc-Free with no snubbing circuits

‧ ‧

Applications

‧

Telecommunications (PC, Electronic notepad)

‧ ‧

Industrial control

‧

Security equipments

‧

High speed inspection machine

‧

Data communication equipments

‧ Factory automotive equipments

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Photo DMOS-FET Relay Specifications

(Ambient Temperature: 25

LED Reverse Voltage

Load Voltage

Total Power Dissipation I/O Breakdown Voltage Operating Temperature

Pin Soldering Temperature

(Ambient Temperature: 25

Voltage

Recovery LED Voltage

Time to flow is within

110

On Time

Transmis

Off Time

Part Name: LT310

(Load voltage: 400V / Load current: 100mA)

Absolute Maximum Ratings

Item Symbol Value Units Note

Continuous LED Current IF 50 mA

Peak LED Current IFP 1000 mA

Input

Input Power Dissipation PIn 75 mW

Load Current IL 100 mA

Output

Peak Load Current IPeak 0.6 A 100ms(1 pulse) Output Power Dissipation Pout 300 mW

Storage Temperature TStg -40 to +100

VR 5 V

VL 400 V(AC peak or DC)

PT 350 mW VI/O 1500 Vrm RH=60%, 1min TOpr -40 to +85

TSol 260

℃)

℃

f=100Hz, duty=1%

10 sec max.

Electrical Specifications

LED Forward

Operation LED Current IF On 0.5 3.0 mA

Input

Recovery LED Current IF Off 0.35 0.5 mA

On-Resistance ROn 20 30

Output

Off-State Leakage Current

sion

Output Capacitance COut TurnTurn-

I/O Isolation Resistance RI/O

Coupled

I/O Capacitance CI/O 0.8 1.5 pF f=1MHz

℃)

Item Symbol MIN. TYP. MAX. Units Conditions

VF 1.2 1.4 V IF=10mA

VF Off 0.5 V

IF=5mA,IL=100mA,

Ω

1 sec.

ILeak 1 µA VL=Rating

pF VL=0, f=1MHz

TOn 0.23 0.5 ms

IF=5mA, IL=100mA

TOff 0.03 0.2 ms

10

9

Ω

DC500V

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Outline Dimensions

Unit : mm inch

Tolerance: 0.1 .004

78 6

1 2

5

3

4

Schematic

8 7 6 5

1 3 42

1,3. LED Anode

2,4. LED Cathode

5,6,7,8. MOS FET

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Reference Data

Ambient temperature (

Off state leakage current (A)

Ambient temperature (

Load current Vs. Ambient temperature

120

100

80

60

40

Load current (mA)

20

0

-40

0.5

0.4

0.3

0.2

Turn off time (ms)

0.1

0

-40

LT211

LT210

-20

Turn off time Vs. Ambient temperature

-20

40 0 20 60 80

40 0 20 60 85

LT211 LT210

85

℃)

On resistabce (Ω)

100 -40

LED operate current (mA)

100 -40

On resistance Vs. Ambient temperature

50

40

30

20

10

0

-20

LED operate current Vs. Ambient temperature

5

4

3

2

1

0

-20

LT210

LT211

40 0 20 60 85

℃)

40 0 20 60 85

℃)

3.0

2.5

2.0

1.5

1.0

Turn on time (ms)

0.5

100

100 -40

0

0.5

0.4

0.3

0.2

LED turn off time (mA)

0.1

0

Turn on time Vs. Ambient temperature

-40 -20

20 0 40 60 80

LED turn off current Vs. Ambient temperature

-20

20 0 40 60 85

℃)

LT211 LT210

85

100

LED forward voltage Vs. Ambient temperature

1.5

1.4

1.3

1.2

1.1

LED forward voltage (V)

1.0

0

-40

-20

LED foward current Vs.

turn on time characteristics

1.2

1.0

0.8

0.6

Turn on time (ms)

0.4

0.2

0

10

0

20 30 40 50

LED forward current (mA)

40 0 20 60 85

℃)

50mA 30mA 20mA 10mA 5mA

Voltage Vs. currennt characteristics of output at MOS portion

LT211

100

LT210

80 60 40

Current, A

-5 -4

100

LED foward current Vs.

turn off time characteristics

0.12

0.10

0.08

0.06

Turn off time (ms)

0.04

0.02

60

0

0 10

20

-3 -2

-1 1

-20

-40

-60

-80

-100

20 30 40 50

LED forward current (mA)

2 3 4 5

Voltage, V

60

Off state leakage current

-3

10

-6

10

-9

10

-12

10

0

20

Applied voltage Vs. output capacitance characteristics

200

150

100

Out capacitance (pF)

50

0

0 10

60 40 80

Load voltage (V)

30 20 40

Applied voltage (V)

LT210

100

50

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Taping Specifications for Surface Mount Devices

Recommended Mounting Pad

Marking

(Each photo MOS Relay shall be marked

with the following information)

t may consist of carrier and cover tape follower.

Label sticking position

Direction of feed

Unit : mm

Notes：

(Top view)

Brand Name

Letex

LT310

162

Unit : mm

Tolerance : ±0.1

1. There shall be 400 mm of leader minimum wha

2. Devices are pockets in accordance with IEC standard IEC286-3 (JIS C 0806) and specifications given above.

3. Packaging：2,000pcs per reel, 2 reel per box, 5 boxes per carton.

Part Name

Date Code

1 6 2

Weeks Monthly Year

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