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參數(shù)資料
| 型號： | KKA3654 |
| 廠商： | KODENSHI CORP. |
| 英文描述： | VERTICAL DEFLECTION AND GUARD CIRCUIT (110∑) |
| 中文描述： | 垂直偏轉(zhuǎn)電路和國民警衛(wèi)隊（110Σ） |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 166K |
| 代理商： | KKA3654 |
TECHNICAL DATA
VERTICAL DEFLECTION AND GUARD CIRCUIT (110°)
The
KK
A3654 is a full performance vertical deflection output circuit for direct drive of the deflection
coils and can be used for a wide range of 90
and 110
A guard circuit is provided which blanks the picture tube screen in the absence of deflection
current.
FEATURES
Direct drive to the deflection coils
90
and 110
deflection system
Internal blanking guard circuit
Internal voltage stabilizer
deflection systems.
QUICK REFERENCE DATA
PARAMETER
Output voltage
Output current (peak-to-peak)
Supply voltage
Guard circuit output voltage
Operating ambient temperature range
Storage temperature
THERMAL RESISTANCE
From junction to mounting base
SYMBOL
V
5-2
I
5(p-p)
V
9-2
V
7-2
T
amb
T
stg
MIN.
25
55
MAX.
60
3
40
5,6
60
150
UNIT
V
A
V
V
o
C
o
C
R
th j-mb
3,5
4
K/W
BLOCK DIAGRAM.
FUNCTIONAL DESCRIPTION
Output stage and protection circuits
The output stage consists of two Darlington configurations in class B arrangement. Each output
transistor can deliver 1,5 A maximum and the V
CEO
is 60 V.
Protection of the output stage is such that the operation of the transistors remains well within the
SOAR area in all circumstances at the output pin, (pin 5). This is obtained by the cooperation of
the thermal protection circuit, the current-voltage detector and the short circuit protection.
Special measures in the internal circuit layout give the output transistors extra solidity. The same
curves also apply for the upper output device. The supply for the output stage is fed to pin 6 and
the output stage ground is connected to pin 4.
1
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