參數(shù)資料
型號: LTC3609IWKG#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PQCC52
封裝: 8 X 7 MM, LEAD FREE, PLASTIC, QFN-52
文件頁數(shù): 19/26頁
文件大?。?/td> 414K
代理商: LTC3609IWKG#TRPBF
LTC3609
3609fb
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 l FAX: (408) 434-0507 l www.linear.com
LINEAR TECHNOLOGY CORPORATION 2008
LT 0610 REV B PRINTED IN USA
relaTeD parTs
Typical applicaTion
Figure8.14Vto32VInputto12V/4Aat500kHz
VOUT
12V AT
4A
GND
VIN
14V TO 32V
COUT1
180F
16V
L1
4.3H
CIN
4.7F
x2
+
LTC3609
SGND
26
NC
25
NC
24
VFB
23
ION
22
NC
21
SGND
20
FCB
19
ITH
18
VRNG
17
PGOOD
16
SGND
15
SGND
GND
VOUT
PV
IN
1
PV
IN
2
PV
IN
3
PV
IN
4
PV
IN
5
PV
IN
6
PV
IN
7
SW
8
NC
9
SGND
10
BOOST
11
RUN/SS
12
V ON
13
SGND
14
PGND
40
PGND
39
PGND
38
PGND
37
PGND
36
PGND
35
PGND
34
SW
33
INT
V CC
INTVCC
32
INT
V CC
PGOOD
31
SV
IN
VIN
30
EXT
V CC
29
NC
28
SGND
27
SW
41
SW
42
SW
43
SW
44
SW
45
SW
46
SW
47
PVIN
48
PVIN
49
PVIN
50
PVIN
51
PVIN
52
3609 TA05
CF
0.1F
50V
RF1
1
CVCC
4.7F
6.3V
EXTVCC
C4
0.01F
INTVCC
JP1
CB1
0.22F
DB
CMDSH-3
CSS
0.1F
VIN
CVON
0.1F
R1
3.16k
1%
RPG1
100k
RON
1M
1%
R2
60.4k
1%
R5
24.3k
CC1
1000pF
CC2
100pF
INTVCC
CIN: MURATA GRM31CR71H475K
COUT: SANYO 16SVP180MX
LI: CDEP4R3MC-88
2
KEEP POWER GROUND AND SIGNAL
GROUND SEPARATE. CONNECT AT
ONE POINT.
PARTNUMBER DESCRIPTION
COMMENTS
LTC3602
2.5A (IOUT), 3MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, VIN: 4.5V to 10V, VOUT(MIN) = 0.6V, IQ = 75A, ISD <1A,
4mm
× 4mm QFN-20, TSSOP-16E Packages
LTC3608
18V, 8A (IOUT), 1MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, VIN: 4V to 18V, VOUT(MIN) = 0.6V, IQ = 900A, ISD <15A,
7mm
× 8mm QFN-52 Package
LTC3610
24V, 12A (IOUT), 1MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, VIN: 4V to 24V, VOUT(MIN) = 0.6V, IQ = 900A, ISD <15A,
9mm
× 9mm QFN-64 Package
LTC3611
32V, 10A (IOUT), 1MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, VIN: 4V to 32V, VOUT(MIN) = 0.6V, IQ = 900A, ISD <15A,
9mm
× 9mm QFN-64 Package
LTC3414/
LTC3416
4A (IOUT), 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, VIN: 2.25V to 5.5V, VOUT(MIN) = 0.8V, IQ = 64A, ISD <1A,
TSSOP20E Package
LTC3415
7A (IOUT), 1.5MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 450A, ISD <1A,
5mm
× 7mm QFN-38 Package
LTC3418
8A (IOUT), 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, VIN: 2.25V to 5.5V, VOUT(MIN) = 0.8V, IQ = 380A, ISD <1A,
5mm
× 7mm QFN-38 Package
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