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TDA1175N/a100avaiLOW-NOISE VERTICAL DEFLECTION SYSTEM


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TDA1175
LOW-NOISE VERTICAL DEFLECTION SYSTEM
TDA1175P
LOW-NOISE VERTICAL DEFLECTION SYSTEM
August 1995
RAMP GENERATOR
COMPENSATION
AMP. INPUT
GROUND
GROUND
OSCILLATOR
SYNC. INPUT
HEIGHT ADJUSTMENT
RAMPOUTPUT
SUPPLY VOLTAGE
FLYBACK
GROUND
GROUND
POWER AMPLIFIER OUTPUT
POWERAMPLIFIER
SUPPLY VOLTAGE
REGULATED VOLTAGE
1175P-01.EPS
PIN CONNECTIONS
POWERDIP16

(Plastic Package)
ORDER CODE:
TDA1175P
.COMPLETE VERTICAL DEFLECTION
SYSTEM.LOW NOISE.SUITABLE FOR HIGH DEFINITION
MONITORS.ESD PROTECTED
DESCRIPTION

The TDA1175Pisa monolithic integrated circuitin
POWERDIP16 plastic package.Itis intended for
usein black and white and colour TV receivers.
Low-noise makes this device particularly suitable
for use inmonitors.
The functions incorporated are: synchronization
circuit, oscillator and ramp generator, high power
gain amplifier, flyback generator, voltage regulator.
1/8
OSCILLATOR VOLTAGE
REGULATOR
BUFFER
STAGE
SYNC
CIRCUIT
RAMP
GENERATOR
FLYBACK
GENERATOR
SYNC
YOKE
LINEARITYTABS
HEIGHT
FREQP2 RA RB CC6C5 DA
+VS
916 1 14
POWER
AMPLIFIER
PREAMPLIFIER TDA1175P5 413
1175P-02.EPS
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Supply Voltageat Pin2 35 V
V6,V7 Flyback Peak Voltage 60 V
V14 Power Amplifier Input Voltage +10 0.5 Output PeakCurrent (non repetitive)att= 2ms 2 A Output PeakCurrentatf= 50Hz,t≤ 10μs 2.5 A Output PeakCurrentatf= 50Hz,t> 10μs 1.5 A Pin3 DC CurrentatV6 I10 Pin10 Current ±20 mA
Ptot Power Dissipation:at Ttab =90°C Tamb =70°C (freeair)(1)
Tstg,Tj Storage and Junction Temperature –40,+ 150 °C
1175P-01.TBL
THERMAL DATA
Symbol Parameter Value Unit

Rth(j-tab) Thermal Resistance Junction-pin Max. 12 °C/W
Rth (j-amb) Thermal Resistance Junction-ambient Max. 80 °C/W(1)
1175P-02.TBL
(1) Obtained withtabs solderedto printed circuit with minimized copper area.
TDA1175P

2/8
ELECTRICAL CHARACTERISTICS (Tamb =25 °C, unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit Fig.
CHARACTERISTICS (Referto the test circuits,VS= 35V) Pin2 Quiescent Current I3 =0 7 14 mA 1b Pin7 Quiescent Current I6 =0 8 17 mA 1b
–I11 Oscillator BiasCurrent V11=1V 0.1 1 μA 1a
–I14 Amplifier InputBias Current V14 =1V 1 10 μA 1b
–I16 Ramp Generator Bias Current V16=0 0.02 0.3 μA 1a
–I16 Ramp Generator Current I9 =20μA, V16 =0 18.5 20 21.5 μA 1b
ΔI16
I16 Ramp Generator Non-linearity ΔV16=0 to12V,I9 =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 1.5 2.5 V 1a Qiuescent output Voltage Vs= 10V,R1= 1kΩ,R2= 1kΩ= 35V,R1= 3kΩ,R2= 1kΩ
V6L Output Saturation Voltageto
Ground
–I6= 0.1A
–I6= 0.8A
V6H Output Saturation Voltageto SupplyI6= 0.1A= 0.8A
3.1 Regulated Voltageat Pin8 6.5 6.7 6.9 V 1b Regulated Voltageat Pin9 I9 =20μA 6.6 6.8 7 V 1b
|ΔV8|
ΔVS, |ΔV9|
ΔVS
Regulated Voltage Drift with Supply
Voltage ΔVs=10to 35V 1 2 mV/V 1b
V14 Amplifier InputReference Voltage V10≤ 0.4V 2.20 2.27 2.35 V CHARACTERISTICS (Refertothe AC test circuit,VS= 22V,f= 50Hz) Supply Current Iy =1APP 140 mA 2
I10 Sync. Input Current (positiveor
negative)
0.5 2 mA 2 Flyback Voltage Iy =1APP 45 V 2
tfly Flyback Time Iy =1APP 0.7 ms 2
VON Peakto Peak Output Noise Pin11 Connectedto GND 18 30 mVpp 2 Free Running Frequency (P1+ R1)= 300kΩ=0.1μF 43.5 Hz 2
fOPER Operating Frequency Range 10 120 Hz 2 Synchronization Range I10= 0.5mA,C9= 0.1μF
(P1+R1)= 300kΩ Hz 2
ΔVS Frequency Drift with Supply Voltage Vs=10to 35V 0.005 Hz/V 2
|Δf|
ΔTab
Frequency Drift with tab
Temperature Ttab=40to 120°C 0.01 Hz/°C 2
1175P-03.TBL
TDA1175P

3/8
Figure1: DC Test Circuits 2 7
916 14
TABS I 3 S 1V 8V
1kΩ 9-I -I12V
TDA1175P

1175P-03.EPS
Figure1a
TABS
-I12 V
TDA1175P
8V6
100k
1175P-04.EPS
Figure1b
TABS
TDA1175P

1175P-05.EPS
Figure1c
TABS
TDA1175P

1175P-06.EPS
Figure1d
TDA1175P

4/8
22kΩ
470pF
220kΩ
910kΩ
0.1μF
100kΩ
47kΩ
0.1μF
3.3Ω
100pF
0.1μF
5.6kΩ
10μF
5.6kΩ
100kΩ
120kΩ
1.8kΩ
100kΩ
220kΩ0.1μF
Yoke =10Ω= 20mH
560Ω*
1000μF
SYNC.
INPUT
TABS
1N4001 470μF
100μF
0.1μF=22VSon applicationonly
TDA1175P

1175P-07.EPS
Figure2
: AC Test and Application Circuit for Large Screen B/W TV Set 10Ω/20mH/1APP13
0.1μF
0.1μF
1MΩ
82kΩ
100kΩ
0.15μF
100μF
35V
3.3kΩ
1N4007
1000μF
35V
0.1μF
(26V)
R12
220kΩ C10 560pF
3.3nF
TDA1175P

R13
3.3Ω
C11
0.1μF
50kΩ
V.LIN
56kΩ
47kΩ
R10
0.82Ω
5.1kΩ
R11
2.7kΩ
27kΩ
22μF
35V
240kΩ
1.8nF SIZE
220kΩ
200kΩ
V.FREQ
YOKE
R14
220Ω
1/2W
C12
470μF
50V
1175P-08.EPS
Figure3
: Typical Application Circuit for VGA Monitor (RY =10Ω,LY= 20mH,IY= 0.8APP)
TDA1175P

5/8
GND
R11
R18
R12
C18
C12
V-FREQ
V-SIZE
V.LIN
R14
R10
C11
IC1
1175P-09.EPS
Figure4
:P.C. Board and Components Layoutof the Circuitof Figure3 (1:1 scale)
Item Qty Reference Part
4 C1, C6, C7, C11 0.1μF C2 1000μF 35V C3 100μF 35V C4 0.15μF 1 C5 1.8nF C8 22μF 35V 1 C9 3.3nF 1 C10 560pF 1 C12 470μF 50V 1 D1 1N4007 1 IC1 TDA1175P 1 P1 100kΩ POT 1 P2 220kΩ POT 1 P3 50kΩPOT 1 R1 3.3kΩ
Item Qty Reference Part
1 R2 82kΩ 1 R3 240kΩ 1 R4 1MΩ 1 R5 200kΩ 1 R6 56kΩ 1 R7 27kΩ 1 R8 47kΩ 1 R9 5.1kΩ 1 R10 0.82Ω 1 R11 2.7kΩ 1 R12 220kΩ 1 R13 3.3Ω 1 R14 220Ω 1/2W 1 Y1 YOKE
1175P-04.TBL
BILL OF MATERIAL
TDA1175P

6/8
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