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STMicroelectronics
250W TRANSITION-MODE PFC PRE-REGULATOR WITH L6563S EVL6563S-250W
데이터 시트
STMicroelectronics 250W TRANSITION-MODE PFC PRE-REGULATOR WITH L6563S EVL6563S-250W EVL6563S-250W 데이터 시트
제품 코드
EVL6563S-250W
다운로드
좋아요
전체 화면
표준
페이지
중
32
바로가기
Contents
AN3119
2/32
Doc ID 16849 Rev 2
Contents
1
Main characteristics and circuit description . . . . . . . . . . . . . . . . . . . . . 4
2
Electrical diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3
Bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4
Test results and significant waveforms . . . . . . . . . . . . . . . . . . . . . . . . 10
4.1
Harmonic content measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.2
MOSFET current, TM signals, and L6563S THD optimizer . . . . . . . . . . . 13
4.3
Voltage feed-forward and brown-out function . . . . . . . . . . . . . . . . . . . . . . 15
4.4
Startup operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.5
PFC_OK pin and feedback failure (open-loop) protection . . . . . . . . . . . . 20
4.6
TBO (tracking boost option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.7
Power management and housekeeping functions . . . . . . . . . . . . . . . . . . 23
5
Layout hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6
Thermal map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7
EMI filtering and conducted EMI pre-compliance measurements . . . 28
8
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
이전
다음
1
2
3
4
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