TDA4841PS datasheet(44/60 Pages) PHILIPS

Part #	TDA4841PS

Description	I2C-bus autosync deflection controller for PC monitors

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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44 / 60 page

1999 Oct 25

44

Philips Semiconductors

Product speciﬁcation

I2C-bus autosync deﬂection controller for

PC monitors

TDA4841PS

APPLICATION INFORMATION

Fig.25 Application and timing for feedback mode.

For f < 50 kHz and C2 < 47 nF calculation formulas and behaviour of the OTA are the same as for an OP. An exception is the limited output current at

BOP (pin 3). See Chapter “Characteristics”, subheading “B+ control section; see Figs 25 and 26”.

(1) The recommended value for R6 is 1 k

Ω.

a. Feedback mode application.

b. Waveforms for normal operation.

c. Waveforms for fault condition.

handbook, full pagewidth

SOFT START

S

R

Q

HORIZONTAL

OUTPUT

STAGE

VHDRV

VCC

Vi

6

D2

TR1

R5

C4

R4

R6(1)

L

OTA

2.5 V

VHPLL2

5

VBIN

VBOP

VBSENS

VBDRV

CBOP

D1

R1

R3

EWDRV

C1

R2

C2

34

>10 nF

horizontal

flyback pulse

INVERTING

BUFFER

3

2

4

1

MGM080

DISCHARGE

handbook, full pagewidth

VHDRV

VBSENS

VBSENS = VBOP

VBDRV

toff(min)

ton

horizontal

flyback pulse

VRESTART(BSENS)

VSTOP(BSENS)

2

3

4

1

MBG600

td(BDRV)

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TDA4841PS Datasheet(PDF) 44 Page - NXP Semiconductors

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