TDA4866 Datasheet, PDF (8/16 Pages) NXP Semiconductors – Full bridge current driven vertical deflection booster

Philips Semiconductors
Full bridge current driven vertical deflection
booster
TEST AND APPLICATION INFORMATION
Product specification
TDA4866
handbook, full pagewidth
I1
(µA)
550
50
t _I1
from driver circuit
TDA485x,
TDA4841PS
I1
(µA)
I2
550
50
t
TDA4866
1
2
3
4
5
6
7
8
9
Rm
GUARD
1Ω
output
VP
VFB
6Ω
Rref
2 kΩ
MED752
Fig.3 Test diagram.
handbook, full pagewidth
TDA4866
1
2
3
4
5
6
7
8
9
I1
from driver circuit
TDA485x,
TDA4841PS
Vshift
I2
25 kΩ
10 kΩ
VP
VFB
220 µF
RFB
(1)
Rm
Ldeflcoil = 5.2 mH
1Ω
Rdeflcoil = 4.2 Ω
CSP
(2)
RSP
Rp ⁽²⁾
180 Ω _Rref
1.6 kΩ
(1)
CFB
100 µF (VFB < 40 V)
GUARD
output
MED753
(1) Up to 60 V ≥ V_FB ≥ 40 V, R_FB = 100 Ω and C_FB = 22 µF are required.
(2) C_SP = 10 to 330 nF and R_SP = 10 to 22 Ω are required. The value of C_SP depends on minimum t_flb/V_FB.
Fig.4 Application diagram with driver circuit TDA485x, TDA4841PS.
1999 Jun 14
8