TDA8146 Datasheet, PDF (3/5 Pages) STMicroelectronics – EAST/WEST CORRECTION FOR RECTANGULAR TV-TUBES

TDA8146
ELECTRICAL CHARACTERISTICS (continued)
(refer to test circuit VS = 24V, Tj = 25^oC ; unless otherwise specified)
Symbol
Parameter
KA Parabola Coefficient
KC Parabola Coefficient
K5 Parabola Coefficient
K4 Parabola Coefficient
KS Parabola Symmetry
KF Flyback Coefficient
Test Conditions
KA
=
VA
VB
KC = ^V_VB^C, S4 + S5 open
K5
=
VC5_,
VC
S4
or
S5
Closed
K4
=
VC4_,
VC
S4
+
S5
Closed
KS
=
VC
VD
KF
=
VC_,
VD
V4
=
15V
TEST CIRCUIT
5kΩ
8V
V
4
12
∆I
I _REF
2
R1
10kΩ
V_SE
3
R2
10kΩ
60µA
2.2V
1 14 13
11 10 9
S4
S5
V
Min.
0.94
Typ.
0.25
1.75
1.07
1.17
1.0
1.0
24V
8
D1
7
REF
8.2V
56
R _REF
V
Max. Unit
1.06
V
VS
3/5