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RT5021 データシート(PDF) 64 Page - Richtek Technology Corporation

部品番号 RT5021
部品情報  Channels DC/DC PMU with Li-ion Battery Charger
PDF  67 Pages
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メーカー  RICHTEK [Richtek Technology Corporation]
ホームページ  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5021 データシート(HTML) 64 Page - Richtek Technology Corporation

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RT5021
64
DS5021-01 April 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
Figure 7. PCB Layout Guide
L1
R16
L3
D5
D4
C19
L7
L2
R7
C10
C12
L4
C23
L5
D2
VOUT_CH1
VOUT_CH4
VOUT_CH3
VOUT_CH2
VSYS
GND
GND
VOUT_CH7
GND
LX should be connected to Inductor by
wide and short trace, and keep sensitive
components away from this trace.
Connect the Exposed
Pad to a ground plane.
Place the feedback components as
close as possible to the FB pin and
keep away from noisy devices.
Input/Output capacitors must be placed as
close as possible to the Input/Output pins.
C4
VOUT_CH6
D3
C21
C3
VSYS
C22
C11
R8
D6
D7
VSYS
GND
C24
GND
VOUT_CH8
GND
GND
GND
C18
R4
R3
C7
C6
C5
R1
R2
RNTC
R6
R5
C9
C8
C2
C1
C14
C25
C26
C17
WAKE
LX1
PVD6
VO6
LX7
FB7
PVD7
PVD1
VP
PVD2
FB3
SCL
VO8
FB2
VO2
LX2A
LX2B
TS
1
2
3
4
5
6
7
8
9
10
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
31
32
33
34
35
36
37
38
39
40
41
GND
CHG2
CHG
C27
C28
Output capacitor must be placed as
close as possible to the output pin.



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