8
LTC1517-5
15175fs, sn15175a LT/TP 0298 4K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1997
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
(408) 432-1900
FAX: (408) 434-0507
●
TELEX: 499-3977
●
www.linear-tech.com
3.3V to 1.9V, 6A Power Supply
LTC1517-5
LTC1430CS
G1
PV
CC1
PGND
GND
SENSE
–
FB
SENSE
+
SHDN
G2
PV
CC2
V
CC
I
FB
I
MAX
FREQSET
COMP
SS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
C3
0.22µF
5
1
2
34
C6 TO C9*
330µF
6.3V
× 4
C15
10µF
10V
C13
390pF
C14
0.012µF
C12
0.1µF
C16
0.018µF
V
OUT
1.9V
6A
C4
0.1µF
5V
C5
1µF
D1
BAT54
D2
MBRS120
R5
4.99K
1%
R6
10K
1%
L1
2.4µH, 8A
SUMIDA
CDRH127-2R4
C11
1µF
Q1
Si4410
Q2
Si4410
R2
24k
R4
5.2k
C10
0.1µF
C1
Y5V CERAMIC
3.3µF
V
IN
3.3V
C2
Y5V CERAMIC
10µF
+
C17 TO C21 *
330µF
6.3V
× 5
*AVX TPS TANTALUM
1517 TA03
+
R1
100Ω
R3
1k
ON OFF
+
TYPICAL APPLICATION
U
PART NUMBER DESCRIPTION COMMENTS
LTC1514-X Step-Up/Step-Down Switched-Capacitor DC/DC Converter with 3.3V or 5V Output Up to 50mA
Low Battery Comparator
LTC1515 Series Step-Up/Step-Down Switched-Capacitor DC/DC Converter with Reset Fixed or Adjustable Output Up to 50mA
LTC1516 Micropower Regulated 5V Charge Pump DC/DC Converter 20mA for V
IN
≥ 2V, 50mA for V
IN
≥ 3V
LTC1522 Micropower Regulated 5V Charge Pump DC/DC Converter Same as LTC1517-5 with Shutdown, Available in MSOP
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