參數(shù)資料
型號(hào): MAX1549ETL+T
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Dual, Interleaved, Fixed-Frequency Step-Down Controller with a Dynamically Adjustable Output
中文描述: 3 A DUAL SWITCHING CONTROLLER, 450 kHz SWITCHING FREQ-MAX, QCC40
封裝: 6 X 6 MM, 0.80 MM HEIGHT, MO-220WJJD-2, TQFN-40
文件頁(yè)數(shù): 8/35頁(yè)
文件大?。?/td> 933K
代理商: MAX1549ETL+T
MAX1549
Dual, Interleaved, Fixed-Frequency Step-Down
Controller with a Dynamically Adjustable Output
16
______________________________________________________________________________________
R12
487k
R11
150k
R10
66.5k
R9
301k
R8
100k
REF
POWER-GOOD
DYNAMIC OUT1
CONTROL INPUTS
R7
100k
R6
100k
R1
20
C2
1
F
+5V BIAS
SUPPLY
ON OFF
OPEN (300kHz)
DL2
CBST
0.1
F
DBST
NH2
NL2
L2
4.7
H
RCS2
15m
COUT2
330
F
OUTPUT 2
VOUT2 = 2.5V
INPUT (VIN)
5V TO 16V
CIN
(2) 10
F
DL1
CBST
0.1
F
DBST
NH1
NL1
L1
2.5
H
RCS1
12m
COUT1
470
F
OUTPUT 1
VOUT1 = VREFIN
+5V BIAS
SUPPLY
C1
1
F
CCC1
470pF
CREF
0.22
F
OPEN (100
s)
R2
100k
R3
100k
R4
100k
R5
100k
MAX1549
VDD
DH1
BST1
LX1
DL1
CSH1
OUT1
CC1
DH2
BST2
LX2
DL2
PGND
CSH2
OUT2
SKIP
FB2
GND
CSL1
CSL2
REF
ILIM1
ILIM2
G0
G1
FBLANK
FSEL
ON1
ON2
VCC
PGOOD1
PGOOD2
REFIN
OD3
OD2
OD1
POWER GROUND
ANALOG GROUND
SEE TABLE 1 FOR COMPONENT SPECIFICATIONS.
CREFIN
470pF
Figure 1. Standard Applications Circuit
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