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INTEGRATED CIRCUITS
DATA SHEET
TDA4861
Vertical deflection power amplifier
for monitors
1997 Jan 20
Product specification
Supersedes data of March 1992
File under Integrated Circuits, IC02
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Philips Semiconductors Product specification Vertical deflection power amplifier for TDA4861 monitors FEATURES GENERAL DESCRIPTION • Vertical pre-amplifier with differential inputs The TDA4861 is a vertical power amplifier for differential input signals suitable for colour monitor/TV systems with • Powerless vertical shift deflection frequencies up to 140 Hz. • Flyback voltage generation suitable for two operating modes (doubling the supply voltage or external supply for the short flyback time, thi
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Philips Semiconductors Product specification Vertical deflection power amplifier for TDA4861 monitors BLOCK DIAGRAM handbook, full pagewidth TDA4861 THERMAL AND
VOLTAGE
VERTICAL
FLYBACK
SOAR
STABILIZER DRIVER DRIVER PROTECTION DIFFERENTIAL
VERTICAL
FLYBACK
PULSE
INPUT
OUTPUT GENERATOR CIRCUIT AMPLIFIER 1 2 3 4 5 6 7 8 9 V V V-OUT SUB FLB V P1 P2 P3 BAX13 + 8.8 V PCO 5.6 Ω 470
μF 150 kΩ 270 Ω 0.1 μF 470 μF 10 kΩ R 1.8 kΩ PCO yoke 4.3 Ω 470 μF 1.8 kΩ R1
from TDA4850 V 1 MΩ 1 Ω N MHA612 -
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Philips Semiconductors Product specification Vertical deflection power amplifier for TDA4861 monitors PINNING SYMBOL PIN DESCRIPTION handbook, halfpage V 1 supply voltage 1 P1 V 1 P1 INP1 2 input 1 of differential input amplifier INP1 2 INP2 3 input 2 of differential input amplifier INP2 3 V supply voltage 2 for vertical output P2 4 V P2 4 stage V-OUT 5 vertical output V-OUT 5 TDA4861 SUB 6 substrate SUB 6 FLB 7 flyback generator output 7 FLB V 8 flyback supply voltage 3 P3 V 8 P3 PCO 9 pulse circuit o
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Philips Semiconductors Product specification Vertical deflection power amplifier for TDA4861 monitors LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134); voltages referenced to substrate (pin 6); unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT V supply voltage (pin 1) - 40 V P1 V supply voltage (pin 4) - 60 V P2 V supply voltage (pin 8) - 60 V P3 V voltage on pins 2, 3 and 9 - V V 2,3,9 P1 V voltage on pins 5 and 7 - 60 V 5,7 I current on pin 4 - 1
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Philips Semiconductors Product specification Vertical deflection power amplifier for TDA4861 monitors CHARACTERISTICS V =V = 25 V; V =V =0V; T =25 °C; voltages referenced to substrate (pin 6); unless otherwise specified. P1 P2 N 6 amb SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT V supply voltage 1 (pin 1) 9 25 30 V P1 V supply voltage 2 (pin 4) 9 25 60 V P2 V supply voltage 3 (pin 8) 9 - 60 V P3 I supply current (pin 1) -- 10 mA P1 I quiescent supply current (pin 4) without input signal - 9 - mA
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Philips Semiconductors Product specification Vertical deflection power amplifier for TDA4861 monitors handbook, full pagewidth INP1 input signal
on pin 2 t INP2 input signal
on pin 3 t t = 250 μs pFLB V-OUT output signal
on pin 5 t PCO output signal
t p9 on pin 9 for
normal condition t PCO 50% output signal
on pin 9 for deflection
unit open-circuit t PCO output signal
on pin 9 for thermal
protection active
t MEH361 Fig.3 Vertical timing. 1997 Jan 20 7
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Philips Semiconductors Product specification Vertical deflection power amplifier for TDA4861 monitors APPLICATION INFORMATION V handbook, full pagewidth P3 8 V P BAX13 TDA4861 >1 kΩ GUARD output
HIGH = error 2.2 Ω 3.3 kΩ 5 BC548 2N5819 22 μF 220 kΩ vertical
output
MEH362 signal Fig.4 GUARD circuit application on vertical output. handbook, full pagewidth TDA4861 THERMAL AND
VOLTAGE
VERTICAL
FLYBACK
SOAR
STABILIZER DRIVER DRIVER PROTECTION DIFFERENTIAL
VERTICAL
FLYBACK
PULSE
INPUT
OUTPU
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Philips Semiconductors Product specification Vertical deflection power amplifier for TDA4861 monitors handbook, full pagewidth V INP1 INP2 V V-OUT SUB V PCO P1 P2 P3 12 3 4 576 8 9 TDA4861 MHA611 Fig.6 Internal circuitry. 1997 Jan 20 9
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Philips Semiconductors Product specification Vertical deflection power amplifier for TDA4861 monitors PACKAGE OUTLINE SIL9P: plastic single in-line power package; 9 leads SOT131-2 non-concave D h x D E h view B: mounting base side d A 2 B E j A 1 b L c 19 e w M Q Z b p 0 5 10 mm scale DIMENSIONS (mm are the original dimensions) A b 1 (1) (1) (1) UNIT A b cDdeD E EjL Q w x Z 2 p h h max. max. 4.6 0.75 0.48 24.0 20.0 12.2 3.4 17.2 2.1 2.00 mm 2.0 1.1 10 2.54 6 0.25 0.03 4.2 0.60 0.38 23.6 19.6 11.8 3
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Philips Semiconductors Product specification Vertical deflection power amplifier for TDA4861 monitors SOLDERING The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the Introduction specified maximum storage temperature (T ). If the stg max printed-circuit board has been pre-heated, forced cooling There is no soldering method that is ideal for all IC may be necessary immediately after soldering to keep the packages. Wave soldering is often prefe
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Philips Semiconductors – a worldwide company Argentina: see South America Netherlands: Postbus 90050, 5600 PB EINDHOVEN, Bldg. VB, Tel. +31 40 27 82785, Fax. +31 40 27 88399 Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 New Zealand: 2 Wagener Place, C.P.O. Box 1041, AUCKLAND, Tel. +64 9 849 4160, Fax. +64 9 849 7811 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 1 60 101, Fax. +43 1 60 101 1210 Norway: Box 1, Manglerud 0612, OSLO, Tel
