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TDA1175P
LOW-NOISE VERTICAL DEFLECTION SYSTEM
. . . .
COMPLETE VERTICAL DEFLECTION SYSTEM LOW NOISE SUITABLE FOR HIGH DEFINITION MONITORS ESD PROTECTED
DESCRIPTION The TDA1175P is a monolithic integrated circuit in POWERDIP16 plastic package. It is intended for use in black and white and colour TV receivers. Low-noise makes this device particularly suitable for use in monitors. The functions incorporated are : synchronization circuit, oscillator and ramp generator, high power gain amplifier, flyback generator, voltage regulator. PIN CONNECTIONS
POWERDIP16 (Plastic Package) ORDER CODE : TDA1175P
RAMP OUTPUT SUPPLY VOLTAGE FLYBACK GROUND GROUND POWER AMPLIFIER OUTPUT POWER AMPLIFIER SUPPLY VOLTAGE REGULATED VOLTAGE
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
RAMP GENERATOR COMPENSATION AMP. INPUT GROUND GROUND OSCILLATOR SYNC. INPUT HEIGHT ADJUSTMENT
1175P-01.EPS
August 1995
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TDA1175P
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BLOCK DIAGRAM
+ VS C4 DA
FREQ
P1
TDA1175P
11 OSCILLATOR
8
2
3
7 RH C9
VOLTAGE REGULATOR
FLYBACK GENERATOR
POWER AMPLIFIER
6 RG C8 YOKE
C1
SYNC
10
SYNC CIRCUIT
RAMP GENERATOR
BUFFER STAGE
PREAMPLIFIER
15 C5 C7 RE RD
4
5
12 13 TABS HEIGHT
9 C2 P2 RA
16 1 LINEARITY
14
P3 C3
RB
RC
C6
RF
1175P-02.EPS
ABSOLUTE MAXIMUM RATINGS
Symbol Vs V6, V7 V14 Io Io Io I3 I3 I10 Ptot Tstg, Tj Supply Voltage at Pin 2 Flyback Peak Voltage Power Amplifier Input Voltage Output Peak Current (non repetitive) at t = 2ms Output Peak Current at f = 50Hz, t ≤ 10µs Output Peak Current at f = 50Hz, t > 10µs Pin 3 DC Current at V6 < V2 Pin 3 Peak to Peak Flyback Current for f = 50Hz, tfly ≤ 1.5ms Pin 10 Current Power Dissipation : at Ttab = 90°C at Tamb = 70°C (free air) (1) Storage and Junction Temperature Parameter Value 35 60 + 10 – 0.5 2 2.5 1.5 100 1.8 ± 20 4.3 1 – 40, + 150 Unit V V V V A A A mA A mA
1175P-01.TBL 1175P-02.TBL
W W °C
THERMAL DATA
Symbol R th (j-tab) Rth (j-amb) Parameter Thermal Resistance Junction-pin Thermal Resistance Junction-ambient Max. Max. Value 12 80 Unit °C/W °C/W(1)
(1) Obtained with tabs soldered to printed circuit with minimized copper area.
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TDA1175P
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ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit Fig. DC CHARACTERISTICS (Refer to the test circuits, VS = 35V) I2 I7 – I 11 – I 14 – I 16 – I 16 ∆I16 I16 Vs V1 V3 V6 V6L V6H V8 V9 Pin 2 Quiescent Current Pin 7 Quiescent Current Oscillator Bias Current Amplifier Input Bias Current Ramp Generator Bias Current Ramp Generator Current Ramp Generator Non-linearity Supply Voltage Range Pin 1 Saturation Voltage to Ground Pin 3 Saturation Voltage to Ground Qiuescent output Voltage Output Saturation Voltage to Ground I1 = 1mA I3 = 10mA Vs = 10V, R1 = 1k Ω, R2 = 1kΩ Vs = 35V, R1 = 3k Ω, R2 = 1kΩ – I6 = 0.1A – I6 = 0.8A 4.1 8.2 I3 = 0 I6 = 0 V11 = 1V V14 = 1V V16 = 0 I9 = 20µA, V16 = 0 ∆V16 = 0 to 12V, I9 = 20µA 10 1 1.5 4.4 8.8 0.9 1.8 1.4 2.8 6.5 I9 = 20µA ∆Vs = 10 to 35V V10 ≤ 0.4V 2.20 6.6 6.7 6.8 1 2.27 18.5 7 8 0.1 1 0.02 20 0.2 14 17 1 10 0.3 21.5 1 35 1.4 2.5 4.7 9.4 1.2 2.2 2.1 3.1 6.9 7 2 2.35 mA mA µA µA µA µA % V V V V V V v V V V V mV/V V 1a 1a 1a 1c 1c 1d 1d 1b 1b 1b 1b 1b 1a 1b 1a 1b 1b
Output Saturation Voltage to Supply I6 = 0.1A I6 = 0.8A Regulated Voltage at Pin 8 Regulated Voltage at Pin 9
|∆V8| |∆V9| Regulated Voltage Drift with Supply , Voltage ∆ VS ∆ VS V14 Amplifier Input Reference Voltage
AC CHARACTERISTICS (Refer to the AC test circuit, VS = 22V, f = 50Hz) Is I10 V6 tfly VON fo fOPER ∆f ∆f ∆ VS | ∆f| ∆T ab Supply Current Sync. Input Current (positive or negative) Flyback Voltage Flyback Time Peak to Peak Output Noise Free Running Frequency Operating Frequency Range Synchronization Range I10 = 0.5mA, C9 = 0.1 µF (P1+R1) = 300kΩ Iy = 1APP Iy = 1APP Pin 11 Connected to GND (P1 + R1) = 300kΩ C9 = 0.1 µF 36 10 14 Iy = 1APP 0.5 45 0.7 18 43.5 120 30 140 2 mA mA V ms mVpp Hz Hz Hz 2 2 2 2 2 2 2 2
Frequency Drift with Supply Voltage Vs = 10 to 35V Frequency Drift with tab Temperature Ttab = 40 to 120°C
0.005 0.01
Hz/V Hz/°C
2 2
1175P-03.TBL
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TDA1175P
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Figure 1 : DC Test Circuits Figure 1a
I3 +V S
Figure 1b
I2 +V S
V3
I5
3 10 2 7 6 14 R1
2 11 8
V4 R2
1175P-03.EPS
7
TDA1175P
11 I8 1kΩ 1V - I9 1V 8V 9 16 TABS - I 12
TDA1175P
16 - I 12 100kΩ 9
14
TABS V7 - I 10 1V
1175P-04.EPS
V6
Figure 1c
+V S
Figure 1d
+V S
2 11
7 6
I4
2 11
7 6
V 4H
TDA1175P
14 TABS
TDA1175P
14 TABS
V4L 4V
1175P-05.EPS
I4 1V
1175P-06.EPS
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TDA1175P
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Figure 2 : AC Test and Application Circuit for Large Screen B/W TV Set 10Ω/20mH/1APP
0.1µF 100µF
7
1N4001 TABS
2
470µF 0.1µF
VS = 22V
3.3Ω
6
3
220kΩ
15
100pF
5.6kΩ
Yoke Ry = 10Ω Ly = 20mH
560Ω*
SYNC. INPUT
10
470pF
1000µF
TDA1175P
14
5.6kΩ
10µF
22kΩ
1 11
100kΩ
8 9 16
P1 100kΩ
R1
220kΩ 100kΩ
47kΩ
0.1µF
1.8kΩ
C9 0.1µF
* on application only
Figure 3 : Typical Application Circuit for.