LTC1530 LINER [Linear Technology], LTC1530 Datasheet - Page 22
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LTC1530
Manufacturer Part Number
LTC1530
Description
High Power Synchronous Switching Regulator Controller
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC1530.pdf
(24 pages)
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LTC1530
TYPICAL APPLICATIO S
3000pF
22
4.7 F
C8
C7
33k
R8
+
4V TO 8V
V
IN
1
3
C6
100pF
SHDN
V
C
C
L1 = COILTRONIX CTX02-13198-1
(L1A = 1,2,3
C
IN
FLY
, C
= 2 SANYO 16SA150MK
LT1317
OUT
GND
V
IN
4
6
= 3 SANYO 10MV1200GX
10 H
7,8,9; L1B = 10,11,12
L2
SW
FB
5
2
R7
300k
MBR0520
2.2M
D1
R6
U
+
4,5,6)
C
+
IN
LTC1530 Synchronous SEPIC Converter
100
90
80
70
60
50
40
30
20
10
C9
4.7 F
0
5.6
0.1
0
R9
V
Efficiency vs Load Current
L2 = SUMIDA CD43-100
Q1 = SILICONIX N-MOSFET SI4420DY
Q2 = SILICONIX P-MOSFET SI4425DY
R
IN
0.5
SENSE
= 4V
+
1.0
1000pF
= DALE LVR-3 3W
0.22 F
R
C1
0.02
C3
10 F
V
LOAD CURRENT (A)
SENSE
2.2k
IN
R1
C
1.5
4.7k
= 8V
C
R
C
2.0 2.5
4
1,2,3
C4
0.1 F
•
COMP
PV
20
R5
L1A
LTC1530-ADJ
N-MOSFET
CC
3.0 3.5
1
T
A
I
7,8,9
GND
= 25 C
MAX
1530 TA08b
5
2
Q1
V
SENSE
I
FB
4.0
6
G1
G2
C
8
7
3
FLY
10,11,12
4,5,6
•
L1B
P-MOSFET
+
Q2
C5
4.7 F
3.09k
1
R3
R4
1k
4
V
OUT
8
3
LTC1693-3
1N4148
7
D2
1530 TA08a
+
R2
10k
C2
10 F
+
C
OUT
V
5V
4A
OUT