TEA2029 데이터 시트보기 (PDF) - STMicroelectronics

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TEA2029

APPLICATION NOTE

STMicroelectronics 

Figure 80 : Block Diagram

TEA2029C

Horizontal

Sawtooth

TEA2028 - TEA2029 APPLICATION NOTE

EHT

Transformer

L

500µH

C

0.47µF

VLF

I TD

VC

I

Y

4

ESM

740

VCONTROL

Feedback

D

120mH Frame

60Ω Yoke

90°

Frame

Amplitude

Adjust

VREF

1

Σ

2

Frame Reference VB

Sawtooth (Pin 3)

RM

4.7Ω

+24V

C1

1000µF

VIII.3 - Typical Frame Modulator and Frame Output Waveforms

Figure 81

FRAME REFERENCE

SAWTOOTH

HORIZONTAL

SAWTOOTH

THYRISTOR

GATING SIGNAL

HORIZONTAL

FLYBACK

ITD

I THYRISTOR

I DIODE

Beginning of Frame Trace

End of Frame Trace

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