CTW138 datasheet(3/14 Pages) CTMICRO

3 / 14 page

CT Micro

Rev 1

Proprietary & Confidential

Page 3

May, 2016

CTW138, CTW139

Low Input Current Photodarlington Coupler

Electrical Characteristics T

A = 0 - 70°C, VCC=4.5V (unless otherwise specified).

Emitter Characteristics

Symbol

Parameters

Test Conditions

Min

Typ

Max

Units

Notes

Forward voltage

IF = 16mA

1.45

1.6

Reverse Current

VR = 5V

µA

VF/ TA

Temperature coefficient of forward

voltage

IF =16mA

-1.8

mV/°C

Detector Characteristics

Symbol

Parameters

Test Conditions

Min

Typ

Max

Units

Notes

IOH

Logic High Output

Current

CTW139

IF=0mA, VO=VCC=18V,

0.008

µA

CTW138

200

ICCL

Logic Low Supply Current

IF=1.6mA, VO=Open,

VCC=18V

0.5

1.4

ICCH

Logic High Supply Current

IF=0mA, VO=Open,

VCC=18V

0.04

µA

Transfer Characteristics

Symbol

Parameters

Test Conditions

Min

Typ

Max

Units

Notes

CTR

Current Transfer

Ratio

CTW139

IF=0.5mA, VO=0.4V,

400

2500

CTW138

IF=1.6mA, VO=0.5V,

300

2000

CTW139

500

2000

VOL

Logic Low Output

Voltage

CTW139

IF= 0.5mA, IO= 2mA

0.04

0.4

IF= 1.6mA, IO= 8mA

0.08

0.4

IF= 5mA, IO= 15mA

0.11

0.4

IF= 12mA, IO= 24mA

0.16

0.4

CTW138

IF= 1.6mA, IO= 4.8mA

0.05

0.4

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