TDA8177F STMicroelectronics, TDA8177F Datasheet

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TDA8177F

Manufacturer Part Number
TDA8177F
Description
Manufacturer
STMicroelectronics
Datasheet

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DESCRIPTION
Designed for monitors and high performance TVs,
the TDA8177F vertical deflection booster can han-
dle flyback voltage up to 70V. More than this it is
possible to have a flyback voltage which is more
than the double of the supply (Pin 2). This allows
to decrease the power consumption or to decrease
the flyback time for a given supply voltage.
PIN CONNECTIONS
BLOCK DIAGRAM
December 1998
POWER AMPLIFIER
THERMAL PROTECTION
OUTPUT CURRENT UP TO 3.0A
FLYBACK VOLTAGE UP TO 70V (on Pin 5)
SUITABLE FOR DC COUPLING APPLICATION
EXTERNAL FLYBACK SUPPLY
Tab connected to Pin 4
NON-INVERTING INPUT
INVERTING INPUT
PP
VOLTAGE
SUPPLY
1
7
TDA8177F
VERTICAL DEFLECTION BOOSTER
2
7
6
5
4
3
2
1
OUTPUT
SUPPLY
AMPLIFIER
STAGE
POWER
6
GROUND
The TDA8177F is offered in HEPTAWATT package.
The TDA8177F operates with supplies up to 35V and
provides up to 3A
4
PROTECTION
FLYBACK
SUPPLY
THERMAL
3
NON-INVERTING INPUT
OUTPUT STAGE SUPPLY
OUTPUT
GROUND
FLYBACK SUPPLY
SUPPLY VOLTAGE
INVERTING INPUT
ORDER CODE : TDA8177F
PP
(Plastic Package)
5
HEPTAWATT
output current to drive the yoke.
OUTPUT
TDA8177F
1/5

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TDA8177F Summary of contents

Page 1

... PIN CONNECTIONS Tab connected to Pin 4 BLOCK DIAGRAM INVERTING INPUT NON-INVERTING INPUT December 1998 VERTICAL DEFLECTION BOOSTER PP ORDER CODE : TDA8177F The TDA8177F operates with supplies up to 35V and provides The TDA8177F is offered in HEPTAWATT package. 7 NON-INVERTING INPUT 6 OUTPUT STAGE SUPPLY 5 OUTPUT 4 ...

Page 2

... TDA8177F ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage (Pin 2) (see note Flyback Peak Voltage (Pin 6) (see note Amplifier Input Voltage (Pins 1-7) (see note Maximum Output Peak Current (see notes 2 and Maximum Sink Current (t < 1ms Maximum Source Current (t < 1ms) (in the diode, see Block Diagram) ...

Page 3

... APPLICATION CIRCUITS AC COUPLING R5 V REF 2.2V DC COUPLING REF Vertical Position Adjustment V - REF + POWER AMPLIFIER 7 THERMAL PROTECTION TDA8177F POWER AMPLIFIER 7 THERMAL PROTECTION TDA8177F TDA8177F Flyback Supply Flyback Supply 3/5 ...

Page 4

... TDA8177F Figure 1 : Output Transistors SOA (for secondary breakdown 25°C case 1ms t = 10ms t = 100ms 4/5 Figure 2 : Secondary Breakdown Temperature Derating Curve (ISB = secondary breakdown current) ISB (%) 100 ( (°C) case 50 75 100 ...

Page 5

... C system, is granted provided that the system conforms Standard Specifications as defined by Philips. STMicroelectronics GROUP OF COMPANIES http://www.st.com TDA8177F Inches Typ. Max. 0.189 0.054 0.110 0.053 0.022 0.031 0.035 0.100 0.105 0.200 0.205 0.300 0.307 0.409 ...

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