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| TDA4841PS Datasheet, PDF (45/60 Pages) NXP Semiconductors – I2C-bus autosync deflection controller for PC monitors | |||
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Philips Semiconductors
I2C-bus autosync deï¬ection controller for
PC monitors
Product speciï¬cation
TDA4841PS
VHPLL2
2 VHDRV
SOFT START
2.5 V OTA
SQ
RQ
VCC
R4(1)
6
INVERTING
BUFFER
horizontal
flyback pulse
1
HORIZONTAL
OUTPUT
STAGE
EHT
3 VBDRV transformer
D2
DISCHARGE
5
EHT adjustment R1
VBIN
3
4
R2
VBOP
R3
D1
4 VBSENS
TR2
power-down
C1
CBSENS
>2 nF
(1) The recommended value for R4 is 1 kâ¦.
CBOP > 10 nF
a. Forward mode application.
5 IMOSFET
TR1
MGM081
handboo1k, fhulol priazgoenwtaidlth
flyback pulse
2 VHDRV
3 VBDRV
VBOP
4 VBSENS
ton
td(BDRV)
5 IMOSFET
VBOP
toff (discharge time of CBSENS)
VRESTART(BSENS)
VSTOP(BSENS)
MBG602
b. Waveforms for normal operation.
c. Waveforms for fault condition.
Fig.26 Application and timing for feed forward mode.
1999 Oct 25
45
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