TDA4857PS Datasheet, PDF (29/56 Pages) NXP Semiconductors – I2C-bus autosync deflection controller for PC monitors

Philips Semiconductors
I²C-bus autosync deflection controller for
PC monitors
Product specification
TDA4857PS
handbook, full pagewidth
horizontal oscillator sawtooth
at HCAP (pin 29)
horizontal sync pulse
PLL1 control current
at HPLL1 (pin 26)
video clamping pulse
at CLBL (pin 16)
triggered on trailing edge
of horizontal sync
line flyback pulse
at HFLB (pin 1)
PLL2 control current
at HPLL2 (pin 30)
line drive pulse
at HDRV (pin 8)
+-
vertical blanking level
PLL2
control range
+–
45 to 52% of line period
MHB660
2000 Jan 31
Fig.14 Pulse diagram for horizontal part.
29