TCA785 datasheet(7/16 Pages) INFINEON

部件名	TCA785

功能描述	Phase Control IC

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制造商	INFINEON [Infineon Technologies AG]

网页	http://www.infineon.com

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7 / 16 page

Semiconductor Group

7

TCA 785

Pulse Extension versus Temperature

Ramp capacitance

Triggering point

Charge current

The minimum and maximum values of I10

are to be observed

min

max

tTr =

C10

500 pF

1

µF1)

2)

I10 =

2)

V11

× R9 × C10

VREF

× K

VREF

× K

R9

V10 max = VS – 2 V V10 =

VREF

× K × t

R9

× C10

2)

Ramp voltage

Application Hints for External Components

1) Attention to flyback times

2) K = 1.10

± 20 %

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