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TDA1771_03 [STMICROELECTRONICS]

VERTICAL DEFLECTION CIRCUIT; 垂直挠度电路
TDA1771_03
型号： TDA1771_03
厂家： ST    ST
描述：

VERTICAL DEFLECTION CIRCUIT
垂直挠度电路
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TDA1771  
VERTICAL DEFLECTION CIRCUIT  
■ RAMP GENERATOR  
■ INDEPENDENT AMPLITUDE ADJUSTEMENT  
■ BUFFER STAGE  
■ POWER AMPLIFIER  
■ FLYBACK GENERATOR  
■ INTERNAL REFERENCE VOLTAGE  
■ THERMAL PROTECTION  
DESCRIPTION  
SIP10  
(Plastic Package)  
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 1. PIN CONNECTIONS (Top View)  
10  
9
8
7
6
5
4
3
2
1
FLYBACK GENERATOR  
VS  
INVERTING INPUT  
BUFFER OUTPUT  
RAMP GENERATOR  
GROUND  
HEIGHT ADJUSTMENT  
TRIGGER INPUT  
OUTPUT STAGE V S  
POWER OUTPUT  
Figure 2. BLOCK DIAGRAM  
9
2
VOLTAGE  
REGULATOR  
FLYBACK  
GENERATOR  
10  
1
R3  
TRIGGER IN  
3
CLOCK  
PULSE  
POWER  
AMP.  
RAMP  
GENERATOR  
BUFFER  
STAGE  
THERMAL  
PROTECTION  
4
6
7
8
5
September 2003  
1/5  
This is preliminary information on a new product now in development. Details are subject to change without notice.  
1
TDA1771  
ABSOLUTE MAXIMUM RATINGS  
Symbol  
Parameter  
Value  
Unit  
V
V
Supply Voltage  
30  
S
V ,V  
Flyback Peak Voltage  
Trigger Input Voltage  
Amplifier Input Voltage  
65  
V
1
2
V
V
20  
V
3
8
GNDtoV  
V
S
I
I
Output Peak to Peak Current (non repetitive t = 2ms)  
6
4
A
0
Output Peak to Peak Current t > 10µs  
A
0
I
Pin 10 DC Current at V < V  
9
100  
3
mA  
A
10  
1
I
Pin 10 Peak to Peak Current @ t < 1.5ms  
fly  
10  
P
Total Power Dissipation @ T = 60°C  
9
W
°C  
tot  
tab  
T ,T  
Storage and Junction Temperature  
- 40, + 150  
S
J
THERMAL DATA  
Symbol  
Parameter+  
Value  
10  
Unit  
°C/W  
°C/W  
R
(j-tab)  
Thermal Resistance Junction-tab  
Thermal Resistance Junction-ambient  
Max.  
Max.  
th  
R
(j-a)  
70  
th  
ELECTRICAL CHARACTERISTICS (T  
= 25°C unless otherwise specified)  
amb  
Symbol  
DC(V =30V)  
Parameter  
TestConditions  
Min. Typ. Max. Unit  
S
I
I
Pin 2 Quiescent Current  
Pin 9 Quiescent Current  
I = 0, I = 0  
16  
15  
36  
30  
mA  
mA  
µA  
µA  
%
2
9
1
10  
I = 0, I = 0  
1
10  
-I  
-I  
Ramp Generator Bias Current  
Ramp Generator Current  
Ramp Gener. Linearity  
V = 0  
0.5  
6
6
6
V = 0, - I = 20µA  
18.5 20 21.5  
0.2  
6
4
dI /I  
V = 0 to 15V, - I = 20µA  
1
6
6
6
4
Quiescent Output Voltage  
R = 30kΩ, R = 10kΩ, V = 30V  
17.0 17.8 18.6  
7.2 7.5 7.8  
V
a
b
S
V
1
R = 6.8kΩ, R = 10kΩ, V = 15V  
V
a
b
S
Out Saturation Voltage to GND  
I = 0.5A  
0.5  
1
1
V
1
V
1L  
I = 1.2A  
1.4  
V
1
Out Saturation Voltage to V  
- I = 0.5A  
1.1 1.6  
1.6 2.2  
V
S
1
V
1H  
- I = 1.2A  
V
1
V
Reference Voltage  
- I = 20µA  
6.3 6.6 6.9  
V
4
4
dV /V  
Reference Voltage Drift Versus V  
V = 10V to 30V  
S
1
2
2
mV/V  
mV/µA  
V
4
S
S
dV /d 4  
Reference Voltage Drift Versus I  
Internal Ref. Voltage  
I = 10µA to 30µA  
1.5  
4
I
4
4
V
4.26 4.40 4.54  
60  
r
Gv  
Ouput Stage Open Loop Gain  
f = 100Hz  
dB  
V
V
V - 10 Saturation Voltage  
- I = 1.2A  
1.5 2.5  
fs  
9
10  
V
Pin 10 Scanning Voltage  
Trigger Input Threshold  
Trigger Input Bias Current  
Trigger Input Width  
I
= 20mA  
1.7  
3
V
10  
10  
V
(see note 1)  
= V - 0.2V  
2.6 3.0 3.4  
30  
V
3
I
t
V
µA  
µS  
3
IN  
3
(see note 2)  
20  
60  
th  
3
Notes:  
1. The trigger input circuit can accept, with a metal option, positive and negative going pulses.  
1.2  
t
2. th =  
where t  
the vertical period and V is ramp amplitude at Pin 6.  
S
S is PP  
------------------  
V
PP  
2/5  
1
TDA1771  
ELECTRICAL CHARACTERISTICS (T  
= 25°C unless otherwise specified)  
amb  
Symbol  
DC (V = 24V)  
Parameter  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
S
V
Operating Supply Voltage Range  
Peak-to-peak Operating Current Range  
Supply Current  
10  
30  
V
A
S
I
0.4  
2.5  
1
I
I = 2.4A  
315  
51  
mA  
V
S
Y
pp  
V
V
Flyback Voltage  
I = 2.4A  
1
7
Y
pp  
Sawtooh Pedestall Voltage  
Junction Temp. for Thermal Shutdown  
1.85  
145  
V
T
°C  
JS  
APPLICATION CIRCUIT  
+VS  
0.1µ  
F
470µF  
1N4001  
9
2
100µ  
F
35V  
VOLTAGE  
REGULATOR  
FLYBACK  
GENERATOR  
10  
1
R3  
TRIGGER IN  
3
CLOCK  
PULSE  
RAMP  
GENERATOR  
POWER  
AMP.  
2.2Ω  
Ry = 9.6  
YOKE Ly = 24.6mH  
Iy = 1.2App  
Ω
330  
Ω
0.22µF  
BUFFER  
STAGE  
THERMAL  
PROTECTION  
2.4k  
Ω
4
6
7
8
5
1.2k  
Ω
1k  
Ω
1500µF  
47nF  
180kΩ  
22µF  
220k  
Ω
1.2  
Ω
3/5  
1
TDA1771  
PACKAGE MECHANICAL DATA  
10 PINS - PLASTIC SIP  
Figure 3. 10-Pin Plastic Single in Line Package  
mm  
inches  
Dim.  
Min Typ Max Min Typ Max  
A
a1  
B
7.1  
3
0.280  
0.118  
0.976  
C
D
2.7  
0.106  
c2  
24.8  
b1  
0.5  
0.020  
N
b3 0.85  
1.5 0.033  
0.063  
C
c1  
c2  
D
3.3  
0.130  
0.017  
0.052  
M
0.43  
1.32  
23.7  
0.933  
d1  
e
14.5  
2.54  
0.571  
0.100  
0.900  
1
10  
e3  
22.86  
L
3.1  
0.122  
L1  
L2  
L3  
M
3
0.118  
0.693  
b1  
b3  
17.6  
e
c1  
e3  
0.25  
0.010  
B
3.2  
1
0.126  
0.039  
N
Number of Pins  
10  
4/5  
1
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 I2C Components by STMicroelectronics conveys a license under the Philips I2C Patent. Rights to use these components in an  
I2C system is granted provided that the system conforms to the I2C Standard Specification as defined by Philips.  
STMicroelectronics Group of Companies  
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain  
Sweden - Switzerland - United Kingdom - U.S.A.  
http://www.st.com  
5/5  

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