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STBB3J 데이터시트(PDF) 2 Page - STMicroelectronics

부품명 STBB3J
상세설명  2 A, high efficiency single inductor buck-boost DC-DC converter
PDF  25 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STBB3J 데이터시트(HTML) 2 Page - STMicroelectronics

  STBB3J Datasheet HTML 1Page - STMicroelectronics STBB3J Datasheet HTML 2Page - STMicroelectronics STBB3J Datasheet HTML 3Page - STMicroelectronics STBB3J Datasheet HTML 4Page - STMicroelectronics STBB3J Datasheet HTML 5Page - STMicroelectronics STBB3J Datasheet HTML 6Page - STMicroelectronics STBB3J Datasheet HTML 7Page - STMicroelectronics STBB3J Datasheet HTML 8Page - STMicroelectronics STBB3J Datasheet HTML 9Page - STMicroelectronics Next Button
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Contents
STBB3J
2/25
DocID025263 Rev 5
Contents
1
Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6
Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.1
Dual mode operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.2
External synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.3
Enable pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.4
Protection features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.4.1
Soft-start and short-circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.4.2
Undervoltage lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.4.3
Overtemperature protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8.1
Programming the output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8.2
Inductor selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8.3
Input and output capacitor selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.4
Layout guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24



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