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Silicore
1-CHIP DEFECTION SYSTEM
DESCRIPTION
The CD1379CP consists of a vertical system including function and a horizontal system including an AFC function . It is for use in small size color TV, B/W TV receivers and monitors.
CD1379CP
Outline Drawing
FUNCTIONS
Horizontal Section SYNC separation Horizontal Oscillators Horizontal Pre-drivers Horizontal AFCs Shunt Regulator(Typ ical 6.7V) Vertical Section Vertical Oscillator Vertical Pre-drivers Vertical Output Fly-back generators
FEATURES:
Low Power consumption, direct deflec tion coil driv ing capability (Fly-back voltage two times as high supply voltage is supplied during fly-back period only) Variable circuit of vertical retrace ti me on chip
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BLOCK DIAGRAM
Boot Flykack Boot V-Osc Control V-OscV-Vcc Strap Adjusting Strap 2 3 4 7 11 5 V-SYNC signal Input 1 SYNC SEParation 16 Output SYNC SEParation 15 Input V-OSC Fly Back Generator SYNC-SEP V-AMP
CD1379CP
TAB 8 V-Output
6 NF
H-AFC Input 14
H-AFC 13 H-AFC Output
H-OSC 12 H-Osc Control
H-PREDRIVERS
REGUALTOR
10 H-Vcc
9 H-Output
PIN CONNECTION
V-SYNC signal Input V-OSC Control V-OSC V-Vcc Boot Strap NF Boot Strap V-Output 1 2 3 4 16 15 14 13 SYNC SEParation Output SYNC SEParation Input H-AFC Input H-AFC Output H-OSC Control FlyKack Adjusting H-Vcc H-Output
D1379
5 6 7 8 12 11 10 9
TAB GND
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ABSOLUTE MAXIMUM RATINGS (Ta=25 C)
Characteristic Vertical Supply Voltage Horizontal Supply Current Vertical Output Current Horizontal Output Current(pulse) Fly-back Generator Output Current Power Diss ipation(note) Operating Te mperature Storage Temp erature Symbol Vcc I1 0 I8 I9 I5 PD Topr Tstg Value 15 30 -500~+5 00 -15~+5 -500~+5 00 1.3 -20 to +75 -55 to +155
CD1379CP
Unit V mA mA peak mA mA peak W C C
ELECTRICAL CHARACTERISTICS
(unless otherwise sp ecified Ta=25C, Vcc=12V, I1 0 =12mA) Characteristic Recommen d ed Vertical Supply Voltage Horizontal Supply Current Vertical Supply Current Vertical Supply Current Vertical free Running Frequency Drift of Vertical Free-Running Frequency Symbol Vcc I1 0 Icc(1) Icc(2) fvo fvo/Vcc fvo/TA Vertical Output Center Voltage Vertical Output Current Horizontal Supply Vo ltage Horizontal free running frequency Horizontal Output Pulse Width Horizontal Output Current V mi d I8 V1 0 fHO tHPW I9 SWA=2 No Input signal , SWA=2 SWA=1 fvo=fvo(14.4V)-fvo(9.6V) SWA=2 fvo=fvo(-20 C)-fvo(70C) SWA=2 SWA=2 SWA=2 SWB=2 I1 0 =12 mA, SWB=1 fHO=15.75kHz, SWB=2 SWB=2 5.3 6 55 Test Condition Min Typ 9.6 6.5 12 12 85 12 60 0.8 1.5 5.8 Max 14 18 100 20 65 2 2 6.3 Unit V mA mA mA Hz Hz Hz V
450 500 6.2 6.7
550 mAp -p 7.2 V
15 15.75 16.5 k Hz 23 0.8 25 1.3 27 2.0 s mA
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TEST CIRCUIT
22uF/16V 10K 1uF/16V 3.6K 15K 10K 12K 2.2K 5300pF 12V 500
CD1379CP
1K 100
Input SWF Signal
1000pF 4700pF 58K 10K 33000pF 33000pF 16 15 14 13 12
11
10
9
10K 1uF/16V
CD1379CP
1 10K 2 1.0uF/16V 3 3.3K 4 5 6 7 8 SWD 100uF/16V 18K SWC 15K 0.047uF 15K 22uF/16V Ly=2mH Ry=10 1K
4700pF 10K 940 1 10K 2 SWA
10
100uF
1000uF/25V 2.7
470 12V
APPLICATION CIRCUIT
1.5Vp-p 100Vp-p
1uF/16V 5.6K
22uF/16V
10K 15K 10K 12K 2.2K 100uF 430
25us
0.1uF 10K
8.2K
1K
VCCH=110V VCCH=12V
100 1000pF 10K 33000pF 33000pF 16
33000pF
15
4700pF 58K 5300pF 14 13 11 12
10
9
10K 1uF/16V
CD1379CP
1 10K 2 1.0uF/16V 3 3.3K 4 5 6 7 0.047uF 10 8 15K 18K 15K 22uF/16V Ly=2mH Ry=10 1K
1Vp-p
4700pF 10K 16K
100uF/16V
1000uF/25V 2.7 470
12V
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