TDA1771
VERTICAL DEFLECTION CIRCUIT
s
s
s
s
s
s
s
RAMP GENERATOR
INDEPENDENT AMPLITUDE ADJUSTEMENT
BUFFER STAGE
POWER AMPLIFIER
FLYBACK GENERATOR
INTERNAL REFERENCE VOLTAGE
THERMAL PROTECTION
SIP10
(Plastic Package)
Figure 1. PIN CONNECTIONS (Top View)
10
9
8
7
6
5
4
3
2
1
FLYBACK GENERATOR
V
S
INVERTING INPUT
BUFFER OUTPUT
RAMP GENERATOR
GROUND
HEIGHT ADJUSTMENT
TRIGGER INPUT
OUTPUT STAGE V
S
POWER OUTPUT
DESCRIPTION
The TDA1771 is a monolithic integrated circuit in
SIP10 package.
It is a full performance and very efficient vertical
deflection circuit intended for direct drive of a TV
picture tube in Color and B & W television as well
as in Monitor and Data displays.
Figure 2. BLOCK DIAGRAM
9
2
VOLTAGE
REGULATOR
FLYBACK
GENERATOR
10
R3
TRIGGER IN
3
RAMP
GENERATOR
CLOCK
PULSE
POWER
AMP.
1
BUFFER
STAGE
THERMAL
PROTECTION
4
6
7
8
5
September 2003
This is preliminary information on a new product now in development. Details are subject to change without notice.
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1
TDA1771
ABSOLUTE MAXIMUM RATINGS
Symbol
V
S
V
1
,V
2
V
3
V
8
I
0
I
0
I
10
I
10
P
tot
T
S
,T
J
Parameter
Supply Voltage
Flyback Peak Voltage
Trigger Input Voltage
Amplifier Input Voltage
Output Peak to Peak Current (non repetitive t = 2ms)
Output Peak to Peak Current t > 10µs
Pin 10 DC Current at V
1
< V
9
Pin 10 Peak to Peak Current @ t
fly
< 1.5ms
Total Power Dissipation @ T
tab
= 60°C
Storage and Junction Temperature
Value
30
65
20
GNDtoV
S
6
4
100
3
9
- 40, + 150
Unit
V
V
V
V
A
A
mA
A
W
°C
THERMAL DATA
Symbol
R
th
(j-tab)
R
th
(j-a)
Parameter+
Thermal Resistance Junction-tab
Thermal Resistance Junction-ambient
Max.
Max.
Value
10
70
Unit
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (T
amb
= 25°C unless otherwise specified)
Symbol
DC(V
S
=30V)
I
2
I
9
-I
6
-I
6
dI
6
/I
6
V
1
V
1L
V
1H
V
4
dV
4
/V
S
dV
4
/d
I
4
V
r
Gv
V
fs
V
10
V
3
I
3
t
3
Parameter
Pin 2 Quiescent Current
Pin 9 Quiescent Current
Ramp Generator Bias Current
Ramp Generator Current
Ramp Gener. Linearity
Quiescent Output Voltage
Out Saturation Voltage to GND
Out Saturation Voltage to V
S
Reference Voltage
Reference Voltage Drift Versus
Reference Voltage Drift Versus
Internal Ref. Voltage
Ouput Stage Open Loop Gain
V
9
- 10 Saturation Voltage
Pin 10 Scanning Voltage
Trigger Input Threshold
Trigger Input Bias Current
Trigger Input Width
TestConditions
I
1
= 0, I
10
= 0
I
1
= 0, I
10
= 0
V
6
= 0
V
6
= 0, - I
4
= 20µA
V
6
= 0 to 15V, - I
4
= 20µA
R
a
= 30kΩ, R
b
= 10kΩ, V
S
= 30V
R
a
= 6.8kΩ, R
b
= 10kΩ, V
S
= 15V
I
1
= 0.5A
I
1
= 1.2A
- I
1
= 0.5A
- I
1
= 1.2A
- I
4
= 20µA
V
S
= 10V to 30V
I
4
= 10µA to 30µA
f = 100Hz
- I
10
= 1.2A
I
10
= 20mA
(see note 1)
V
IN
= V
3
- 0.2V
(see note 2)
Min. Typ. Max.
36
30
0.5
18.5 20 21.5
0.2
1
17.0 17.8 18.6
7.2 7.5
7.8
0.5
1
1
1.4
1.1
1.6
1.6
2.2
6.3 6.6
6.9
1
2
1.5
2
4.26 4.40 4.54
60
1.5
2.5
1.7
3
2.6 3.0
3.4
30
20
60
th
16
15
Unit
mA
mA
µA
µA
%
V
V
V
V
V
V
V
mV/V
mV/µA
V
dB
V
V
V
µA
µS
V
S
I
4
Notes:
1. The trigger input circuit can accept, with a metal option, positive and negative going pulses.
2. th =
1.2
⋅
t S
where t
S is
the vertical period and V
PP
is ramp amplitude at Pin 6.
-----------------
-
V
PP
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1
TDA1771
ELECTRICAL CHARACTERISTICS (T
amb
= 25°C unless otherwise specified)
Symbol
DC (V
S
= 24V)
V
S
I
1
I
S
V
1
V
7
T
JS
Parameter
Operating Supply Voltage Range
Peak-to-peak Operating Current Range
Supply Current
Flyback Voltage
Sawtooh Pedestall Voltage
Junction Temp. for Thermal Shutdown
Test Conditions
Min.
10
0.4
I
Y
= 2.4A
pp
I
Y
= 2.4A
pp
315
51
1.85
145
Typ.
Max.
30
2.5
Unit
V
A
mA
V
V
°C
APPLICATION CIRCUIT
+V
S
0.1µF
470µF
1N4001
9
2
100µF
35V
VOLTAGE
REGULATOR
FLYBACK
GENERATOR
10
R3
TRIGGER IN
3
RAMP
GENERATOR
CLOCK
PULSE
POWER
AMP.
1
2.2Ω
330Ω
BUFFER
STAGE
THERMAL
PROTECTION
0.22µF
Ry = 9.6Ω
YOKE Ly = 24.6mH
Iy = 1.2App
2.4kΩ
4
6
47nF
7
8
5
1.2kΩ
1kΩ
22µF
1500µF
180kΩ
220kΩ
1.2Ω
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TDA1771
PACKAGE MECHANICAL DATA
10 PINS - PLASTIC SIP
Figure 3. 10-Pin Plastic Single in Line Package
Dim.
C
c2
L3
mm
Min
2.7
0.5
0.85
3.3
0.43
1.32
23.7
14.5
2.54
22.86
3.1
3
17.6
0.25
3.2
1
10
0.122
1.5
0.033
Typ
Max
7.1
3
24.8
0.106
Min
inches
Typ
Max
0.280
0.118
0.976
0.020
0.063
0.130
0.017
0.052
0.933
0.571
0.100
0.900
0.118
0.693
0.010
0.126
0.039
A
a1
B
b1
D
L1
N
d1
M
b3
C
c1
c2
A
L2
D
d1
1
10
e
e3
L
L
a1
b1
b3
e3
B
e
c1
L1
L2
L3
M
N
Number of Pins
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TDA1771
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted
by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject
to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not
authorized for use as critical components in life support devices or systems without the express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
©2003
STMicroelectronics - All Rights Reserved.
Purchase of C Components by STMicroelectronics conveys a license under the Philips I
2
C Patent. Rights to use these components in an
I
2
C system is granted provided that the system conforms to the I
2
C Standard Specification as defined by Philips.
I
2
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