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TDA1170N
LOW-NOISE TV VERTICAL DEFLECTION SYSTEM
TDA1170NLOW-NOISE TV VERTICAL DEFLECTION SYSTEM COMPLETE VERTICAL DEFLECTION
SYSTEM. LOW NOISE. SUITABLE FOR HIGH DEFINITION
MONITORS
COMPENSATION
AMP. INPUT
GROUND
SYNC. INPUT
OSCILLATOR
RAMP OUTPUT
SUPPLY VOLTAGE
FLYBACK
GROUND
POWER AMPLIFLIER OUTPUT
POWER AMPLIFLIER
SUPPLY VOLTAGE 12 RAMP GENERATOR
REGULATED
VOLTAGE
HEIGHT ADJUSTMENT
PIN CONNECTIONS
DESCRIPTIONThe TDA1170Nisa monolithic integrated circuitin 12-lead quad in-line plastic package.Itis in-
tended for usein black and white and colour TV
receivers. Low-noisemakes this deviceparticularly
suitablefor usein monitors. The functionsincorpo-
rated are: synchronization circuit, oscillator and
ramp generator, high power gain amplifier, flyback
generator, voltage regulator.
FINDIP12(Plastic Package)
ORDER CODE: TDA1170N
OSCILLATOR VOLTAGE
REGULATOR
POWER
AMPLIFLIER
PREAMPLIFLIERBUFFER
STAGE
SYNC
CIRCUIT
RAMP
GENERATOR
FLYBACK
GENERATOR
SYNC
YOKE
LINEARITYTABS
HEIGHT
FREQ P1CP2 RA R RB CC6C57 DA
+VS
712 1 10
TDA1170N1170N-02.EPS
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit Supply VoltageatPin2 35 V
V4,V5 Flyback Peak Voltage 60 V
V10 Power Amplifier Input Voltage +10 0.5 Output Peak Current (non repetitive)att= 2msec 2 A Output Peak Currentatf= 50Hzt≤ 10μsec 2.5 A Output Peak Currentatf= 50Hzt> 10μsec 1.5 A Pin3 DC CurrentatV4
Ptot Power Dissipation:atTab =90°C Tamb =80°C (free air)
Tstg,Tj Storage and Junction Temperature –40, +150 °C
1170N-01.TBL
THERMAL DATA
Symbol Parameter Value Unit
Rthj-tab
Rth j-amb
Thermal Resistance Junction-tab
Thermal Resistance Junction-ambient
Max
Max
°C/W
°C/W* Obtained with tabs solderedto printed circuit withminimized copper area.
1170N-02.TBL
TDA1170N
ELECTRICAL CHARACTERISTICS
(Referto the test circuits, VS =35V, Tamb =25o C,unless otherwise specified) CHARACTERISTICS
Symbol Parameter Test Conditions Min. Typ. Max. Unit Fig. Pin2 Quiescent Current I3 =0 7 14 mA 1b Pin5 Quiescent Current I4 =0 8 17 mA 1b
–I9 Oscillator Bias Current V9=1V 0.1 1 μA1a
–I10 Amplifier Input Bias Current V10 =1V 1 10 μA1b
–I12 Ramp Generator Bias Current V12=0 0.02 0.3 μA1a
–I12 Ramp Generator Current I7 =20μA, V12=0 18.5 20 21.5 μA1b
ΔI12
I12 Ramp Generator Non-linearity ΔV12=0to 12V,I7 =20μA 0.2 1 % 1b Supply Voltage Range 10 35 V Pin1 Saturation Voltageto Ground I1= 1mA 1 1.4 V Pin3 Saturation Voltageto Ground I3= 10mA 300 450 mV 1a Qiuescent output Voltage VS= 10V= 1kΩ,R2= 1kΩ
4.1 4.4 4.75 V 1a= 35V= 3kΩ,R2= 1kΩ
8.3 8.8 9.45 V 1a
V4L Output Saturation Voltageto Ground –I4= 0.1A
–I4= 0.8A
V4H Output Saturation Voltageto Supply I4= 0.1A= 0.8A
3.2 Regulated Voltageat Pin6 6.1 6.5 6.9 V 1b Regulated Voltageat Pin7 I7 =20μA 6.2 6.6 7 V 1b
|ΔV6|
ΔVS; ΔV7
ΔVS
Regulated Voltage Drift with Supply
Voltage ΔVS=10to 35V 1 mV/V 1b
V10 Amplifier Input Reference Voltage 2.07 2.2 2.3 V Pin8 Input Resistance V8≤ 0.4V 1 MΩ 1a
1170N-03.TBL
TDA1170N
Figure1: DC Test Circuits I3 1V 8V
+Vs
1kΩ
TDA1170N
TABS-I12-I9
1170N-03.EPS
Figure1a
+VsI2100kΩ
TDA1170N 910
TABSI12 -I10V6
1170N-04.EPS
Figure1b
+Vs
TDA1170N
V4L
TABS
1170N-05.EPS
Figure1c
+Vs V4H9
TDA1170N
TABS
1170N-06.EPS
Figure1d
TDA1170N
ELECTRICAL CHARACTERISTICS
(Referto the AC test circuit,VS= 22V;f= 50Hz; Tamb =25°C, unless otherwise specified) CHARACTERISTICS
Symbol Parameter Test Conditions Min. Typ. Max. Unit Supply Current Iy= 1App 140 mA Sync. Input Current (positiveor negative) 500 μA Flyback Voltage Iy= 1App 45 V
tfly Flyback Time Iy= 1App 0.7 ms
VON Peakto Peak Output Noise Pin9 Connectedto GND 40 mVPP Free Running Frequency (P1+ R1)= 300kΩ,C2= 0.1μF
(P1+ R1)= 260kΩ,C2= 0.1μF
48.5 Sychronization Range I8= 0.5mA 14 Hz
ΔVS Frequency Drift with Supply Voltage Vs=10to 35V 0.005 Hz/V Δf|
ΔTab Frequency Drift with tab Temperature Ttab=40to 120°C 0.01 Hz/°C
1170N-04.TBL6
1N4001
100pF
Sync.
Input
TABS =2.2VS
0.1μF 100μF
0.1μF
0.1μF
0.1μF
1000μFμ
470pF
0.1μF
470μF
3.3Ω
220kΩ
5.6kΩ
5.6kΩ
YOKE=10Ω= 20mH
22kΩ
1.8kΩ
100kΩ
47kΩ
910kΩ
100kΩ
120kΩ
1170N-07.EPS
Figure2: AC Test and Application Circuit for Large Screen B/W TV Set 10Ω/20mH/1App
TDA1170N
761N4001
100pF
TABS
fsync=
50Hz
470pF C4 C5 C10 =26V C9
R11
R13
R10
C11R6
R12 R9
C12
0.1μF100μF
470μF
0.1μF
0.1μF
0.1μF
1000μF10μF
0.1μF3.3Ω
390kΩ
5.6kΩ
270Ω
YOKE
Ry=15Ω
Ly=30mH
18kΩ
100kΩ
5.6kΩ
1.5kΩ47kΩ
680kΩ100kΩ
100kΩ
150kΩ
100kΩ
4.7kΩ
0.15μF
1170N-08.EPS
Figure3: Typical Application Circuitfor Small Screen 90°TVC Set (RY =15Ω,LY= 30mH,IY= 0.82 App)
Figure4: P.C. Board and ComponentsLayoutof the Circuitof fig.3 (1:1 scale)
TDA1170N
