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PM6675AS 데이터시트(PDF) 3 Page - STMicroelectronics

부품명 PM6675AS
상세설명  High efficiency step-down controller with embedded 2 A LDO regulator
PDF  48 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM6675AS 데이터시트(HTML) 3 Page - STMicroelectronics

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PM6675AS
Contents
3/48
7.1.12
Device thermal protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.2
LDO linear regulator section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.2.1
LDO section current limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.2.2
LDO section soft-start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.2.3
LDO section power-good signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.2.4
LDO section output discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
8
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
8.1
External components selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
8.1.1
Inductor selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
8.1.2
Input capacitor selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.1.3
Output capacitor selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
8.1.4
MOSFETs selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
8.1.5
Diode selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8.1.6
VOUT current limit setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8.1.7
All ceramic capacitors application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
9
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47



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