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AS1345 데이터시트(PDF) 16 Page - ams AG

부품명 AS1345
상세설명  18V, High Efficiency, DC-DC Step-Up Converter
PDF  29 Pages
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제조업체  AMSCO [ams AG]
홈페이지  http://www.ams.com
Logo AMSCO - ams AG

AS1345 데이터시트(HTML) 16 Page - ams AG

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AS1345 – 16
ams Datasheet, Confidential: 2013-Nov [1-51]
De tail ed De sc rip t ion
For improved regulation speed and lower ripple C3 should be
applied. For best ripple performance always the adjustable
variant of the AS1345 together with C3 should be used. Other
measures to reduce the ripple could be to select a low peak
current IPEAK and increase C4 and to decrease the value of L.
Figure 18:
AS1345 with Adjustable Output Voltage, with Output Disconnect
Figure 19:
AS1345 with Adjustable Output Voltage, without Output Disconnect
AS1345
SWIN
SWOUT
VDD
POK
EN
GND
FB
LX
10uH to 22uH
10uF
10uF
100k
VDD = 2.9V to 5.0V
47pF
R2
R3
1uF to 10uF
OFF
ON
Vout = 5.0V to 18V
AS1345
SWIN
SWOUT
VDD
POK
EN
GND
FB
LX
10uH to 22uH
10uF
100k
VDD = 2.9V to 5.0V
47pF
R2
R3
1uF to 10uF
OFF
ON
Vout = 5.0V to 18V



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