UTC PC1031
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R111-001,A
TV HORIZONTAL DEFLECTION
CIRCUIT
DESCRIPTION
UTC 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
8
4
7
5
6
2
1
10
3
9
Synchrous
signal
R1
R2
C1
C2
R4
2.7k
C4
1
F/25V
R3
20k
VR1
50kB
Field
synchrous
& field
oscillator
Sawtooth
generation
Power
output
Vcc
Field
blanking
Vcc 9-18V
R7
0.5~3
1W
Deflection
coil
C10
47
F/10V
C8
2200
F
47
F
10V
VR3
2KB
R6 82
C7
22
F/10V
C5
10
F/10V
VR2
20KB
R5
5.6k
C12
100
F/25V
Ta
Synchrous
adjust
Ta
C6
22
F/10V
Ta
Field
linearity
adjust
Field
strength
adjust
C3
10
F/10V
Fig 1
UTC PC1031
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R111-001,A
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
2.15(Ta=+75
C)
With heat sink
(31.6 x 31.6 x 1mm3)
W
Operating temperature
TOPR
-20 ~ +75
C
Storage Temp.
TSTG
-40 ~ +150
C
ELECTRICAL CHARACTERISTICS
(V
CC
=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
50/60
HZ
2
Free osc Frequency
fVO
Cosc=1
F Ta,
Rosc=38.1K
53
60
67
HZ
2
Synchronization Input
Range
f(PULL)
Synchronization voltage on
Pin 5 is 1.3VP-P
-10
-12
HZ
2
Free osc Frequency
Change with Supply
Voltage
fVO
fVO=60HZ,VCC=12V
fVO deviation for +-2V
change of Vcc
+-1.0
HZ
2
Synchronization
Range deviation with
Supply Voltage
f(PULL)
VCC
VCC is+-2V deviated from
12V
+-3.0
HZ
2
Output Saturation
Voltage
VSAT
Io=0.7A
1.3
1.6
V
2
Pin 4 Output Pulse
Width
tO
Cosc=1
F Ta,
Rosc=38.1K
300
420
600
sec
2
UTC PC1031
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R111-001,A
TEST CIRCUIT
2
10
6
5
8
4
100
F
38.1k
39k
VR1
20k
1
F
4.7
F
2.7k
4.7k
Counter
VR3
50K
4.7
F
Tant
To fig 3 A
SW4
SW2
UTC
PC1031
Ta
9
3
1
7
A
To scope
Deflection
coil
DY:2.7
L:5.3mH
Vcc
To scope and
DMM
Dc Ammeter
0.047
F
100
F
3.3k
1
2
3
VR2
50K
10
F
3.6k
2.7k
8.2k
0.01
F
2200
F
47
F
1
2
3
1
2
3
2
1
3
22
F
0.5
SW5
SW1
To counter
FIG2
Field signal Adjust
Vcc:12V
1.5k
3.3
F
10k
SA733
SC945
5.6k
3.9k
3.9k
3.9k
0.047
F
0.047
F
100
F
20k
Field
synchronizat
ion signal
A
1.3V
p-p
FIG3
PDF 
ZIP