SGS Thomson Microelectronics TDA8177 Datasheet
VERTICAL DEFLECTION BOOSTER
.
POWER AMPLIFIER
.
FLYBACK GENERATOR
.
THERMAL PROTECTION
.
OUTPUT CURRENT UP T O 3. 0A
.
FLYBACK VOLTAGE UP TO 70V (on Pin 5)
.
SUITABLE FOR DC COUPLING APPLICATION
DESCRIPTION
Designed for monitors and high performance TVs,
the TDA8177 vertical deflection booster delivers
flyback voltages up to 70V.
The TDA 8177 oper ates wit h supplies up to 35V and
provides up to 3A
The TDA8177 is offered in HEPT A WATT package.
PIN CONNECTIONS
output curren t to drive the y oke.
PP
PP
HEPTAWATT
(Plastic Package)
ORDER CODE :
TDA8177
TDA8177
BLOCK DIAGRAM
Tab connected to Pin 4
INVERTING INPUT
NON-INVERTING INPUT
SUPPLY
VOLTAGE
2 36
1
7
TDA8177
7
6
5
4
3
2
1
OUTPUT
STAGE
SUPPLY
POWER
AMPLIFIER
4
GROUND
FLYBACK
GENERATOR
FLYBACK
GENERATOR
THERMAL
PROTECTION
NON-INVERTING INPUT
OUTPUT STAGE SUPPLY
OUTPUT
GROUND
FLYBACK GENERATOR
SUPPLY VOLTAGE
INVERTING INPUT
OUTPUT
5
8177-01.EPS
8177-02.EPS
December 1998
1/5
TDA8177
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
, V7Amplifier Input Voltage (Pins 1-7) (see note 1) - 0.3, + V
V
1
I
V
ESD
T
oper
T
T
Notes :
THERMAL DATA
Symbol Parameter Value Unit
R
th (j-c)
T
T
Supply Voltage (Pin 2) (see note 1) 40 V
S
Flyback Peak Voltage (Pin 6) (see note 1) 75 V
6
Maximum Output Peak Current (see notes 2 and 3) 2.5 A
O
Maximum Sink Current (first part of flyback) (t < 1ms) 2.5 A
I
3
Maximum Source Current (t < 1ms) 2.5 A
I
3
Electrostatic Handling for all pins (see note 4) 2000 V
Operating Ambient Temperature - 20, + 75
Storage Temperature - 40, + 150
stg
Junction Temperature +150
j
1. Versus Pin 4.
2. The output current can reach 4A peak for t ≤ 10µs (up to 120Hz).
3. Provided SOAR is respected (see Figures 1 and 2).
4. Equivalent to discharging a 100pF capacitor through a 1.5kΩ series resistor.
Junction-case Thermal Resistance Max. 3
Temperature for Thermal Shutdown 150
t
Recommended Max. Junction Temperature 120
jr
S
o
C/W
V
o
C
o
C
o
C
o
C
o
C
8177-01.TBL
8177-02.TBL
ELECTRICAL CHARACTERISTICS
(V
= 35V, TA = 25oC, unless otherwise specified)
S
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
V
∆
V
GV Voltage Gain 80 dB
V
V
V
D5 - 6
V
D3 - 2
V
V
Operating Supply Voltage Range 10 35 V
S
Pin 2 Quiescent Current I3 = 0, I5 = 0 9 20 mA
I
2
Pin 6 Quiescent Current I3 = 0, I5 = 0, V6 = 35V 8 15 30 mA
I
6
Max. Peak Output Current 1.5 A
I
O
Amplifier Bias Current V1 = 22V, V7 = 23V - 0.15 - 1
I
1
Amplifier Bias Current V1 = 23V, V7 = 22V - 0.15 - 1
I
7
Offset Voltage 7mV
IO
/dt Offset Drift versus Temperature - 10
IO
Output Saturation Voltage to GND (Pin 4) I5 = 1.5A 1 1.7 V
5L
Output Saturation Voltage to Supply (Pin 6) I5 = - 1.5A 1.8 2.3 V
5H
Diode Forward Voltage between Pins 5-6 I5 = 1.5A 1.8 2.3 V
Diode Forward Voltage between Pins 3-2 I3 = 1.5A 1.6 2.2 V
Saturation Voltage on Pin 3 I3 = 20mA 0.4 1 V
3SL
Saturation Voltage to Pin 2 (2nd part of flyback) I3 = - 1.5A 2.1 2.8 V
3SH
µ
µ
A
µ
A
V/oC
8177-03.TBL
2/5
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