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TDA8350Q/N6 View Datasheet(PDF) - Philips Electronics

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TDA8350Q/N6 Datasheet PDF : 16 Pages
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Philips Semiconductors
DC-coupled vertical deflection and
East-West output circuit
Preliminary specification
TDA8350Q
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
– short-circuit of the output pins to VP
High EMC immunity due to common mode inputs
Temperature (thermal) protection
East-West output stage with one single conversion
resistor.
GENERAL DESCRIPTION
The TDA8350Q 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 and an East-West driver for sinking the
diode modulator current.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
DC supply
VP
supply voltage
IP
quiescent current
9
25
V
30
mA
Vertical circuit
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)
3
A
600
µA
1.5
1.8
V
Flyback switch
IM
peak output current
VFB
flyback supply voltage
note 1
±1.5 A
50
V
60
V
East-West amplifier
IO(sink)
VO(sink)
Ibias
output current (sink only)
peak output voltage
input bias current
IO(sink) = 10 µA
500 mA
40
V
1
µA
Thermal data (in accordance with IEC 747-1)
Tstg
Tamb
Tvj
storage temperature
operating ambient temperature
virtual junction temperature
65
25
150 °C
+75 °C
150 °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 resistor
(dependent 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 8 and pin 4. This supply voltage line must have a resistance of
33 (see application circuit Fig.5).
January 1995
2
 

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