TDA8351 PDF даташит
Спецификация TDA8351 изготовлена «NXP Semiconductors» и имеет функцию, называемую «DC-coupled vertical deflection circuit». |
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Детали детали
Номер произв | TDA8351 |
Описание | DC-coupled vertical deflection circuit |
Производители | NXP Semiconductors |
логотип |
16 Pages
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INTEGRATED CIRCUITS
DATA SHEET
TDA8351
DC-coupled vertical deflection
circuit
Product specification
Supersedes data of January 1995
File under Integrated Circuits, IC02
1999 Sep 27
No Preview Available ! |
Philips Semiconductors
DC-coupled vertical deflection circuit
Product specification
TDA8351
FEATURES
• Few external components
• Highly efficient fully DC-coupled vertical output bridge
circuit
• Vertical flyback switch
• Guard circuit
• Protection against:
– short-circuit of the output pins (7 and 4)
– short-circuit of the output pins to VP
• Temperature protection
• High EMC immunity because of common mode inputs
• A guard signal in zoom mode.
GENERAL DESCRIPTION
The TDA8351 is a power circuit for use in 90° and 110°
colour deflection systems for field frequencies of 50 to
120 Hz. The circuit provides a DC driven vertical
deflection output circuit, operating as a highly efficient
class G system.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS MIN.
TYP.
MAX.
UNIT
DC supply
VP
Iq
Vertical circuit
supply voltage
quiescent supply current
9 − 25 V
− 30 − mA
IO(p-p)
Idiff(p-p)
Vdiff(p-p)
output current
(peak-to-peak value)
differential input current
(peak-to-peak value)
differential input voltage
(peak-to-peak value)
−−3A
− 600 − µA
− 1.5 1.8 V
Flyback switch
IM peak output current
− − ±1.5 A
VFB flyback supply voltage
− − 50 V
note 1
− − 60 V
Thermal data (in accordance with IEC 747-1)
Tstg
Tamb
Tvj
storage temperature
operating ambient temperature
virtual junction temperature
−55 −
−25 −
−−
+150
+75
150
°C
°C
°C
Note
1. A flyback supply voltage of >50 V up to 60 V is allowed in application. A 220 nF capacitor in series with a 22 Ω resistor
(depending on IO and the inductance of the coil) has to be connected between pin 7 and ground. The decoupling
capacitor of VFB has to be connected between pin 6 and pin 3. This supply voltage line must have a resistance of
33 Ω (see application circuit Fig.6).
1999 Sep 27
2
No Preview Available ! |
Philips Semiconductors
DC-coupled vertical deflection circuit
ORDERING INFORMATION
TYPE NUMBER
TDA8351
NAME
SIL9P
PACKAGE
DESCRIPTION
plastic single-in-line power package; 9 leads
BLOCK DIAGRAM
Product specification
TDA8351
VERSION
SOT131-2
handbook, full pagewidth
VP VO(guard)
38
+VP
CURRENT
SOURCE
VFB
6
TDA8351
Idrive(pos)
Idrive(neg)
1
2
V
−IS
+IT
−IT +VP
+IS
5
GND
+VP
7
+VO(A)
VO(A)
9 VI(fb)
4
−VO(B)
VO(B)
MBC988
1999 Sep 27
Fig.1 Block diagram.
3
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