LTC1530IS8-1.9 查看數據表（PDF） - Linear Technology
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LTC1530IS8-1.9 Datasheet PDF : 24 Pages
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LTC1530
TYPICAL APPLICATIO S
5V to 1.9V-3.3V Synchronous Buck Converter
PVCC Is Generated from Charge Pump
VIN
5V
C1
(SEE TABLE)
MBR0530T1 MBR0530T1
2.7k
+
0.1µF
10µF
1
5 IMAX PVCC
4 COMP
8
G1
6 20Ω
IFB
RC
LTC1530
7
(SEE TABLE) G2
CC
3
GND VOUT
2
0.22µF
+
Q1* LO†
+
Q2*
CIN**
CO
(SEE
TABLE)
VOUT
1.9V TO 3.3V
14A
* SILICONIX SUD50N03-10
** 3× SANYO 10MV1200GX OR
3× SANYO OS-CON 6SH330K
† COILTRONICS CTX02-13198 (2µH) OR
PANASONIC ETQP6F2R5HA PCC-N6 (2.5µH)
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
OUTPUT CAPACITOR (CO)
7 X330µF
AVX TPSE337M006R0100
4 X1500µF
SANYO 6MV1500GX
7 X330µF
AVX TPSE337M006R0100
4 X1500µF
SANYO 6MV1500GX
7 X330µF
AVX TPSE337M006R0100
4 X1500µF
SANYO 6MV1500GX
7 X330µF
AVX TPSE337M006R0100
4 X1500µF
SANYO 6MV1500GX
RC
CC
C1
10k 0.022µF 150pF
15k 0.022µF 100pF
8.6k 0.022µF 150pF
13k 0.022µF 100pF
7.5k 0.022µF 220pF
11k 0.022µF 120pF
5.6k 0.033µF 220pF
8.2k 0.022µF 220pF
1530 TA TBL
1530 TA02
5V to Dual Output (3.3V and 12V) Synchronous Buck Converter
VIN
5V
D2
D1
LT1129CS8
+ C4 IN
OUT
22µF
ADJ
35V
R3 +
8.25k
1%
VOUT2
12V
C4 0.4A
33µF
20V
MBR0530T1 MBR0530T1
R4
R1
2.7k
C2 +
0.1µF
C3
10µF
C5
0.22µF
+
CIN
C1
220pF
1
5 IMAX PVCC
8
G1
4 COMP
6
IFB
RC
4.7k
LTC1530-3.3 7
G2
CC
0.022µF
3
GND VOUT
2
R2, 20Ω
Q1
L1
Q2
3.74k
1%
CIN = 3× SANYO 10MV1200GX
COUT = 4× SANYO 6MV1500GX
L1 = SUMIDA 6383-T018
(PRI = 1µH, SEC = 26µH)
Q1, Q2 = SILICONIX SUD50N03-10
Q3 = SILICONIX Si4450DY
Q3
VOUT1
+
3.3V
14A
COUT
1530 TA09
18
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