參數(shù)資料
型號: MAX1638EEG
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
中文描述: SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO24
封裝: 0.150 INCH, 0.025 INCH PITCH, QSOP-24
文件頁數(shù): 12/16頁
文件大?。?/td> 149K
代理商: MAX1638EEG
M
High-S peed S tep-Down Controller with
S ync hronous Rec tific ation for CPU Power
12
______________________________________________________________________________________
N1
R1
N2
C2
D1
(OPTIONAL)
R9
(OPTIONAL)
R10
(OPTIONAL)
R8
39
C12
3.3nF
C11
3.3nF
V
CC
V
DD
CSH
PWROK
CSL
BST
DH
LX
DL
PGND
FB
PDRV
NDRV
AGND
REF
CC1
CC2
CC2
CC1
RC1
TO
AGND
C6, 1.0
μ
F
CERAMIC
NO
CONNECTION
R5
100k
C9
0.1
μ
F
C7
10
μ
F
R6
10
TOV
DD
FREQ
D0
D1
D2
D3
D4
LG
REF
C5
0.1
μ
F
C8
4.7
μ
F
D2
CMPSH-3
C4
0.1
μ
F
L1
V
IN
= 5V
C1
R7
39
LOCAL
BYPASSING
MAX1638
P1
R11
V
OUT
= 1.3V
TO3.5V
N3
LOAD
Figure 5. Buck Regulator with High-Side Current Sensing
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