KB2511B Просмотр технического описания (PDF) - Samsung
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KB2511B Datasheet PDF : 35 Pages
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KB2511B
DEFLECTION PROCESSOR FOR MULTISYNC MONITORS
VERTICAL SECTION
OPERATING CONDITIONS
Table 9. Vertical Section Operating Conditions
Parameter
OUTPUTS SECTION
Maximum EW output voltage
Minimum EW output voltage
Minimum load for less than 1% vertical amplitude drift
Symbol
VEWM
VEWm
RLOAD
Conditions
Pin 24
Pin 24
Pin 20
Min Typ Max Unit
6.5
V
1.8
V
65
MΩ
ELECTRICAL CHARACTERISTICS
(VCC = 12V, Tamb = 25 °C)
Table 10. Vertical Section Electrical Characteristics
Parameter
Symbol
Conditions
Min
VERTICAL RAMP SECTION
Voltage at ramp bottom point
VRB
VREF-V=8V, pin 22
Voltage at ramp top point (with sync) VREF-V
VRT
VREF-V=8V, Pin 22
Voltage at ramp top point (without sync)
VRTF
Pin 22
Vertical sawtooth discharge time duration (pin 22) VSTD
With 150nF cap
Vertical free running frequency
see (4, 5)
VFRF
COSC(pin22)=150nF
measured on pin 22
AUTO -SYNC frequency(13)
ASFR
C22=150nF ± 5%
50
See (6)
Ramp amplitude drift versus frequency at
Maximum vertical amplitude
RAFD
C22=150nF
50Hz<f and f<165Hz
Ramp linearity on pin 22 (∆I22/I22)
see (4, 5)
RIin
V20=4.3v,
2.5<V27 &
V27<4.5V
Vertical position adjustment voltage
(pin 23 - VOUT centering)
Vpos
Sub address 06
Byte x0000000
Byte x1000000
Byte x1111111
3.65
Vertical output voltage
(peak-to-peak on pin 23 )
VOR
Sub address 05
Byte x0000000
Byte x1000000
Byte x1111111
3.5
Vertical output Maximum current(Pin 23)
VOI
Max vertical S-correction amplitude(14)
XOXXXXXX inhibits S-CORR
X1111111 gives max S-CORR
dVS
Sub address 07
∆V/Vpp at TV/4
∆V/Vpp at 3TV/4
Typ
2
5
VRT-01
70
100
200
0.5
3.2
3.5
3.8
2.25
3
3.75
±5
-4
+4
Max
165
TBD
3.3
2.5
Unit
V
V
V
µs
Hz
Hz
ppm/
Hz
%
V
V
V
V
V
V
mA
%
%
12
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