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Номер в каталоге
Компоненты Описание
MAX1638 Просмотр технического описания (PDF) - Maxim Integrated
Номер в каталоге
Компоненты Описание
производитель
MAX1638
High-Speed Step-Down Controller with Synchronous Rectification for CPU Power
Maxim Integrated
MAX1638 Datasheet PDF : 16 Pages
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High-Speed Step-Down Controller with
Synchronous Rectification for CPU Power
R6
10
Ω
C9
C7
0.1
µ
F
10
µ
F
C5
0.1
µ
F
C8
4.7
µ
F
TO V
DD
V
CC
V
DD
C11
3.3nF
CSH
R5
100k
R7
C12
3.3nF
39
Ω
R1
PWROK
CSL
R8
D0
39
Ω
BST
D1
D2
DH
N1
D3
R10
(OPTIONAL)
D4
MAX1638
LX
REF
LG
R9
(OPTIONAL)
DL
N2
NO
CONNECTION
FREQ
PGND
CC2
TO
AGND
CC2
RC1 CC1
CC1
REF
C6, 1.0
µ
F
CERAMIC
NDRV
PDRV
FB
AGND
C1
D2
CMPSH-3
C4
0.1
µ
F
L1
D1
(OPTIONAL)
C2
V
IN
= 5V
P1
R11
N3
V
OUT
= 1.3V
TO 3.5V
LOCAL
BYPASSING
LOAD
Figure 5. Buck Regulator with High-Side Current Sensing
12 ______________________________________________________________________________________
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