參數(shù)資料
型號(hào): MAX1854
廠商: Maxim Integrated Products, Inc.
英文描述: High-Speed, Adjustable, Synchronous Step-Down Controllers with Integrated Voltage Positioning
中文描述: 高速、數(shù)字可調(diào)、同步降壓型控制器,集成電壓定位電路
文件頁數(shù): 31/33頁
文件大小: 840K
代理商: MAX1854
M
High-Speed, Adjustable, Synchronous Step-Down
Controllers with Integrated Voltage Positioning
______________________________________________________________________________________
31
V
CC
C
OUT
(4) 220
μ
F
D2
L1
0.68
μ
H
1.0V OUTPUT
UP TO 12A
SHDN
VGATE
D1
C4
1
μ
F
C3
0.1
μ
F
Q1
Q2
C5
1
μ
F
R3
10
C
IN
(4) 10
μ
F
BATTERY (V
BATT
)
7V TO 24V
REF
ILIM
CC
+5V INPUT
BIAS SUPPLY
POWER-GOOD
INDICATOR
DL
LX
V+
DH
BST
CS
PGND
VPS
FB
TON
V
DD
MAX1716
MAX1854
MAX1855
SKIP
D0
D1
D2
D3
D4
GND
R6
100k
TO V
CC
R4
100k
R5
300k
C2
47pF
C1
0.22
μ
F
ON OFF
R2
2k
REF (400kHz)
R1
1k
R
SENSE
3.5m
Q1: IRF7811
INTERNATIONAL RECTIFIER
Q2: (2) IRF7811
INTERNATIONAL RECTIFIER
D1: CMPSH-3
CENTRAL SEMICONDUCTOR
D2: CMSH2-60
CENTRAL SEMICONDUCTOR
MAX1716 DAC CODE SHOWN
Figure 12. Low-Voltage Application (Circuit #3)
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