TDA6106 查看數據表（PDF） - Philips Electronics

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TDA6106

Video output amplifier

Philips Electronics 

Philips Semiconductors

Video output amplifier

Product specification

TDA6106Q

TEST AND APPLICATION INFORMATION

handbook, full pagewidth

Vin

GND

C1

22 nF

C2

22 µF

R1

50 Ω

R9

866 Ω

0.98 mA

Cpar

Rfb

R10 100 kΩ

200 V

C6

100 nF

6

9

3 TDA6106Q 8

4

5

A

Vom

4V

Cn

560 pF

C8

C7

6.8 pF

3.2 pF C9

136 pF

R3

20 MΩ

probe

R2

1 MΩ

MBG344

Cpar = 150 fF.

Fig.5 Test circuit with feedback factor 1⁄116.

Dissipation

With respect to dissipation, distinction must be made

between static dissipation (independent of frequency) and

dynamic dissipation (proportional to frequency).

The static dissipation of the TDA6106Q is due to supply

currents and load currents in the feedback network and

CRT.

Pstat

=

VDD

×

IDD

+

Voc

×

Ioc

–

Vof

×







R-V----of--b-f







Where:

Rfb = value of feedback resistor.

Ioc = DC value of cathode current.

The dynamic dissipation equals:

Pdyn = VDD × (CL + Cfb + Cint) × f × Vo (p – p) × b

Where:

CL = load capacitance.

Cfb = feedback capacitance.

Cint = internal load capacitance (≈ 4 pF).

f = input frequency.

Vo(p-p) = output voltage (peak-to-peak value).

b = non-blanking duty-cycle.

The IC must be mounted on the picture tube base print to

minimize the load capacitance (CL).

1997 Mar 03

8

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