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STV9302A の電気的特性と機能

STV9302AのメーカーはST Microelectronicsです、この部品の機能は「VERTICAL DEFLECTION OUTPUT FOR MONITOR / TV 2 App / 60 V WITH FLYBACK GENERATOR」です。


製品の詳細 ( Datasheet PDF )

部品番号 STV9302A
部品説明 VERTICAL DEFLECTION OUTPUT FOR MONITOR / TV 2 App / 60 V WITH FLYBACK GENERATOR
メーカ ST Microelectronics
ロゴ ST Microelectronics ロゴ 




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STV9302A Datasheet, STV9302A PDF,ピン配置, 機能
® STV9302A
Vertical Deflection Booster
for 2-APPTV/Monitor Applications with 70-V Flyback Generator
Main Features
s Power Amplifier
s Flyback Generator
s Output Current up to 2 App
s Thermal Protection
s Stand-by Control
Description
The STV9302A is a vertical deflection booster
designed for TV and monitor applications.
This device, supplied with up to 35 V, provides up to
2 App output current to drive the vertical deflection
yoke.
The internal flyback generator delivers flyback
voltages up to 70 V.
in double-supply applications, a stand-by state will
be reached by stopping the (+) supply alone.
HEPTAWATT
(Plastic Package)
ORDER CODE: STV9302A
Tab connected
to pin 4
7
6
5
4
3
2
1
Input (Non Inverting)
Output Stage Supply
Output
Ground Or Negative Supply
Flyback Generator
Supply Voltage
Input (Inverting)
Output Stage
Supply
6
Flyback Supply
Generator Voltage
32
Non-Inverting 7
Input
Inverting
Input
1
+
Power
Amplifier
-
Flyback
Generator
Thermal
Protection
STV9302A
4
Ground or Negative Supply
5 Output
September 2003
1/15

1 Page





STV9302A pdf, ピン配列
STV9302A
3 Electrical Characteristics
Electrical Characteristics
(VS = 32 V, TAMB = 25°C, unless otherwise specified)
Symbol
Parameter
Test Conditions
Supply
VS Operating Supply Voltage Range (V2-V4)
I2 Pin 2 Quiescent Current
I6 Pin 6 Quiescent Current
Input
I1 Input Bias Current
I7 Input Bias Current
VIR Operating Input Voltage Range
VI0 Offset Voltage
VI0/dt Offset Drift versus Temperature
Output
I0 Operating Peak Output Current
V5L Output Saturation Voltage to pin 4
V5H Output Saturation Voltage to pin 6
Stand-by
V5STBY Output Voltage in Stand-by
Miscellaneous
G Voltage Gain
VD5-6 Diode Forward Voltage Between pins 5-6
VD3-2 Diode Forward Voltage between pins 3-2
V3SL Saturation Voltage on pin 3
V3SH Saturation Voltage to pin 2 (2nd part of flyback)
Note 8
I3 = 0, I5 = 0
I3 = 0, I5 = 0, V6 =35v
V1 = 1 V, V7 = 2.2 V
V1 = 2.2 V, V7 = 1 V
I5 = 1 A
I5 = -1 A
V1 = V7 = VS = 0
See Note 9
I5 = 1 A
I3 = 1 A
I3 = 20 mA
I3 = -1 A
Min. Typ. Max. Unit Fig.
10 35 V
5 20 mA 1
8 19 50 mA 1
- 0.6 -1.5 µA
1
- 0.6 -1.5 µA
0 VS - 2 V
2 mV
10 µV/°C
±1
1 1.7
1.8 2.3
A
V
V
3
2
VS - 2
V
80 dB
1.4 2
V
1.3 2
V
0.4 1 V 3
2.1 V
8. In normal applications, the peak flyback voltage is slightly greater than 2 x (VS - V4). Therefore, (VS
- V4) = 35 V is not allowed without special circuitry.
9. Refer to Figure 4, Stand-by condition.
3/15


3Pages


STV9302A 電子部品, 半導体
Application Hints
STV9302A
4.1.1.1 Centering
Display will be centered (null mean current in yoke) when voltage on pin 7 is (R1 is negligible):
V7
=
V-----M------+-----V----m----
2
×
ÿ
--------R----2---------
R2 + R3þ
4.1.1.2 Peak Current
IP = (---V----M------2-----V----m------) × -R----1-R---x--2-R-----3-
Example: for Vm = 2 V, VM = 5 V and IP = 1 A
Choose R1 in the1 range, for instance R1=1
From equation of peak current:
R-----2--
R3
=
2---V--×--M---I--P--–---×-V----Rm-----1--=
2--
3
Then choose R2 or R3. For instance, if R2 = 10 k, then R3 = 15 k
Finally, the bias voltage on pin 7 should be:
V7 = V-----M------+2-----V-----m--- × 1-----+---1--RR----------32----= 72-- × 2---1-.--5- = 1.4V
4.1.2
Ripple Rejection
When both ramp signal and bias are provided by the same driver IC, you can gain natural rejection
of any ripple caused by a voltage drop in the ground (see Figure 5), if you manage to apply the
same fraction of ripple voltage to both booster inputs. For that purpose, arrange an intermediate
point in the bias resistor bridge, such that (R8 / R7) = (R3 / R2), and connect the bias filtering
capacitor between the intermediate point and the local driver ground. Of course, R7 should be
connected to the booster reference point, which is the ground side of R1.
Figure 5: Ripple Rejection
6/15
Reference
Voltage
R9
Ramp
Signal
Driver
Ground
6
R8 R7
00 00 00 00 00 00 00 00
Power
Amplifier
7+
1-
4
32
Flyback
Generator
Thermal
Safety
5
Rd Yoke
Ly
R3
000 000 000
Source of Ripple
R2 R1
00 00 00 00 00 00 00 00

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
STV9302

VERTICAL DEFLECTION OUTPUT

ST Microelectronics
ST Microelectronics
STV9302A

VERTICAL DEFLECTION OUTPUT FOR MONITOR / TV 2 App / 60 V WITH FLYBACK GENERATOR

ST Microelectronics
ST Microelectronics
STV9302B

Vertical Deflection Booster

STMicroelectronics
STMicroelectronics


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