LTC1517-5 데이터 시트보기 (PDF) - Linear Technology
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LTC1517-5 Datasheet PDF : 8 Pages
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LTC1517-5
TYPICAL APPLICATION
3.3V to 1.9V, 6A Power Supply
C1
Y5V CERAMIC
3.3µF
1
5
2 LTC1517-5
3
4
C2
Y5V CERAMIC
10µF
5V
C4
0.1µF
D1
BAT54
C5
1µF
ON OFF
R1
100Ω
VIN
3.3V
+
C3
0.22µF
C6 TO C9*
330µF
6.3V C10
× 4 0.1µF
LTC1430CS
1 G1
G2 16
2
15
3
4
5
6
PVCC1
PGND
GND
SENSE–
FB
PVCC2
VCC
IFB
IMAX
FREQSET
14
13
12
11
7 SENSE+ COMP 10
8
9
SHDN
SS
C12
0.1µF
R2
24k
R3
1k
C11
1µF
Q1
Si4410
L1
2.4µH, 8A
SUMIDA
CDRH127-2R4
Q2
Si4410
D2
MBRS120
C16
0.018µF
R5
4.99K +
1%
R6
10K
1%
VOUT
1.9V
6A
C17 TO C21 *
330µF
6.3V
×5
R4
5.2k
C13
390pF
C14
0.012µF
+
C15
10µF
10V
1517 TA03
*AVX TPS TANTALUM
RELATED PARTS
PART NUMBER
LTC1514-X
LTC1515 Series
LTC1516
LTC1522
DESCRIPTION
Step-Up/Step-Down Switched-Capacitor DC/DC Converter with
Low Battery Comparator
Step-Up/Step-Down Switched-Capacitor DC/DC Converter with Reset
Micropower Regulated 5V Charge Pump DC/DC Converter
Micropower Regulated 5V Charge Pump DC/DC Converter
COMMENTS
3.3V or 5V Output Up to 50mA
Fixed or Adjustable Output Up to 50mA
20mA for VIN ≥ 2V, 50mA for VIN ≥ 3V
Same as LTC1517-5 with Shutdown, Available in MSOP
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417q (408)432-1900
FAX: (408) 434-0507q TELEX: 499-3977 q www.linear-tech.com
15175fs, sn15175a LT/TP 0298 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1997
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