LTC1530CS8 Linear Technology, LTC1530CS8 Datasheet - Page 17

• Manufacturer Part Number: LTC1530CS8
• Description: IC SW REG CNTRLR SYNC ADJ 8-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1530CS8

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.3 ~ 3.5 V
• Current - Output: 20A
• Frequency - Switching: 300kHz
• Voltage - Input: 3.3V, 5V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

APPLICATIO S I FOR ATIO
U
+
PV
PV
CC
12V
CC
10 F
** 3 SANYO 10MV1200GX OR
10 F
* SILICONIX SUD50N03-10
U
(SEE TABLE)
3 SANYO OS-CON 6SH330K
+
C1
C1
0.1 F
DEVICE
LTC1530-3.3
LTC1530-3.3
LTC1530-2.8
LTC1530-2.8
LTC1530-2.5
LTC1530-2.5
LTC1530-1.9
LTC1530-1.9
R
Figure 10. 5V to 1.9V-3.3V Synchronous Buck Converter
PV
W
C
C
C
CC
R
C
0.1 F
C
Is Powered from 12V Supply
C
0.1 F
1
2
3
4
4
COMP
Figure 9. LTC1530 Layout Diagram
PV
GND
V
COMP
OUTPUT CAPACITOR (C
7 X330 F
AVX TPSE337M006R0100
4 X1500 F
SANYO 6MV1500GX
7 X330 F
AVX TPSE337M006R0100
4 X1500 F
SANYO 6MV1500GX
7 X330 F
AVX TPSE337M006R0100
4 X1500 F
SANYO 6MV1500GX
7 X330 F
AVX TPSE337M006R0100
4 X1500 F
SANYO 6MV1500GX
OUT
CC
PV
U
(SEE TABLE)
1
CC
LTC1530
LTC1530
GND
2
I
MAX
I
5
V
MAX
OUT
I
G2
G1
G1
I
G2
FB
FB
BOLD LINES INDICATE
HIGH CURRENT PATHS
†
8
7
6
5
COILTRONICS CTX02-13198 (2 H) OR
8
6
7
3
PANASONIC ETQP6F2R5HA PCC-N6 (2.5 H)
2.7k
O
R
)
R
20
IMAX
IFB
8.6k
7.5k
5.6k
8.2k
10k
15k
13k
11k
V
R
5V
IN
C
Q1*
Q2*
L
0.022 F
0.022 F
0.022 F
0.022 F
0.022 F
0.022 F
0.033 F
0.022 F
O
†
C
V
C
IN
Q2
+
+
Q1
+
C
C
(SEE
TABLE)
1530 TA TBL
150pF
100pF
150pF
100pF
220pF
120pF
220pF
220pF
IN
O
C1
**
C
IN
L
O
1530 F10
1530 F09
V
1.9V TO 3.3V
14A
OUT
+
C
OUT
V
OUT
LTC1530
17
1530fa