PC1031 LINEAR INTEGRATED CIRCUIT
TV HORIZONTAL DEFLECTION
CIRCUIT
DESCRIPTION
Contek PC1031 is designed for B/W TV and small screen color
TV. It generates deflection signal and drives deflection coil.
FEATURES
*Low external components required
*Wide operating supply voltage(9V-18V)
*Adjustable synchronous input range
*Adjustable blanking voltage
*Large output current(2AP-P)
*Built in adjustable fly-back time
SIP-10H
APPLICATION CIRCUIT
Synchrous
adjust
VR1
50kB
R3
20kW
C4
1mF/25V
Ta
C3
10mF/10V
R1 R2
Synchrous
signal
C1
R4
C2
2.7kW
6
5
Contek
100mF/25V
Field
synchrous
& field
oscillator
8
C12
5.6kW
R5
Vcc
2
Sawtooth
generation
4
10mF/10V
VR2
Field
20KB
strength
adjust
Fig 1
Vcc 9-18V
Field
blanking
10
Power
output
7
C5
R6 82W
C6
22mF/10V
Ta
Field
linearity
adjust
VR3
2KB
9
1
3
C10
47mF/10V
2200mF
C7
22mF/10V
Ta
Deflection
C8
47mF
10V
R7
0.5~3W
1W
coil
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
1
PC1031 LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUN RATINGS(Ta=25 C)
PARAMETER SYMBOL VALUE UNIT
Supply Voltage VCC 20 V
Output Current IP-P 2 AP-P
Power Dissipation PD1 1.5(Ta=+75 C) W
Power dissipation PD2
Operating temperature TOPR -20 ~ +75 C
Storage Temp. TSTG -40 ~ +150 C
ELECTRICAL CHARACTERISTICS(VCC=12V,Ta=25 C)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT FIG
Supply Current ICC No signal input and load 15 30 46 mA 2
Output Voltage VN No signal input and load 5.6 6.0 6.4 V 2
Field osc Frequency fV Synchronization voltage on
Pin 5 is 1.3VP-P
Free osc Frequency fVO Cosc=1mFTa,
Rosc=38.1KW
Synchronization Input
Range
Free osc Frequency
Change with Supply
Voltage
Synchronization
Range deviation with
Supply Voltage
Output Saturation
Voltage
Pin 4 Output Pulse
Width
Df(PULL) Synchronization voltage on
Pin 5 is 1.3VP-P
fVO=60HZ,VCC=12V
DfVO
Df(PULL)
VCC
VSAT Io=0.7A 1.3 1.6 V 2
tO Cosc=1m FTa,
fVO deviation for +-2V
change of Vcc +-1.0 HZ 2
VCC is+-2V deviated from
12V +-3.0 HZ 2
Rosc=38.1KW
2.15(Ta=+75 C)
With heat sink
(31.6 x 31.6 x 1mm3)
50/60 HZ 2
53 60 67 HZ 2
-10 -12 HZ 2
300 420 600 msec 2
W
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
2
PC1031 LINEAR INTEGRATED CIRCUIT
TEST CIRCUIT
To fig 3 A
SW4
39k W
VR1
20k W
10kW
1mF
Ta
4.7 m F
W
38.1k
W
2.7k
Counter
6
5
F
m
100
2 10
8 4
4.7k W
Contek
PC1031
4.7 m F
1
3
1
SW2
3
Tant
VR3
50K W
FIG2
2
2
3.3k W
1 23
9 3
22m F
VR2
50K W
7
W
3.6k
100 mF
0.047 m F
100 m F
1
10 m F
Dc Ammeter
A
2200 m F
2.7k W 8.2k W
20kW
1
SW1
2
3
W
0.5
47 m F
SW5
0.01 m F
Field signal Adjust
Vcc
To scope
Deflection
coil
DY:2.7
L:5.3mH
To scope and
DMM
To counter
Vcc:12V
1.5kW
CONTEK
3.3 mF
SA733
0.047mF
0.047 mF
SC945
3.9kW 3.9kW
5.6kW
3.9kW
1.3Vp-p
FIG3
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
A
Field
synchronizat
ion signal
3
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