ACPL-C870 Просмотр технического описания (PDF) - Avago Technologies

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ACPL-C870

Precision Optically Isolated Voltage Sensor

Avago Technologies 

Table 3. Insulation and Safety Related Specifications

Parameter

Symbol Value Unit

Minimum External Air Gap

(External Clearance)

L(101)

8.0

mm

Minimum External

L(102)

8.0

mm

Tracking (External Creepage)

Minimum Internal Plastic Gap

(Internal Clearance)

0.5

mm

Tracking Resistance

CTI

(Comparative Tracking Index)

Isolation Group

> 175 V

IIIa

Conditions

Measured from input terminals to output terminals,

shortest distance through air

Measured from input terminals to output terminals,

shortest distance path along body

Through insulation distance, conductor to conductor,

usually the direct distance between the photoemitter

and photodetector inside the optocoupler cavity

DIN IEC 112/VDE 0303 Part 1

Material Group (DIN VDE 0110, 1/89, Table 1)

Table 4. IEC/EN/DIN EN 60747-5-5 Insulation Characteristics [1]

Description

Symbol

Value

Units

Installation classification per DIN VDE 0110/1.89, Table 1

for rated mains voltage ≤ 150 Vrms

I-IV

for rated mains voltage ≤ 300 Vrms

I-IV

for rated mains voltage ≤ 450 V rms

I-IV

for rated mains voltage ≤ 600 Vrms

I-IV

for rated mains voltage ≤ 1000 Vrms

I-III

Climatic Classification

55/105/21

Pollution Degree (DIN VDE 0110/1.89)

2

Maximum Working Insulation Voltage (Pending Qualification)

VIORM

1230

Vpeak

Input to Output Test Voltage, Method b

VPR

VIORM x 1.875 = VPR, 100% Production Test with tm = 1 sec, Partial Discharge < 5 pC

2306

Vpeak

Input to Output Test Voltage, Method a

VPR

VIORM x 1.6 = VPR, Type and Sample Test, tm = 10 sec, Partial Discharge < 5 pC

1968

Vpeak

Highest Allowable Overvoltage (Transient Overvoltage, tini = 60 sec)

VIOTM

8000

Vpeak

Safety-limiting values (Maximum values allowed in the event of a failure)

Case Temperature

Input Current [2]

Output Power [2]

TS

175

°C

IS,INPUT

230

mA

PS,OUTPUT

600

mW

Insulation Resistance at TS, VIO = 500 V

RS

≥ 109



Notes:

1. Insulation characteristics are guaranteed only within the safety maximum ratings, which must be ensured by protective circuits within the

application.

4

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