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参数资料
| 型号： | LTC3615EUF#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PQCC24 |
| 封装： | 4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGD, QFN-24 |
| 文件页数： | 26/32页 |
| 文件大小： | 585K |
| 代理商： | LTC3615EUF#PBF |
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LTC3615/LTC3615-1
32
3615fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2010
LT 0710 REV A PRINTED IN USA
200ns/DIV
3615 F16
VSW1
2V/DIV,
1A/DIV
VSW2
IL1 + IL2
IL2
IL1
MODE = FCM
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER
DESCRIPTION
COMMENTS
LTC3633
15V, Dual 3A, 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN: 3.60V to 15V, VOUT(MIN) = 0.6V, IQ = 500μA, ISD < 13μA,
4mm × 5mm QFN-28 and TSSOP-28E Packages
LTC3546
5.5V, Dual 3A/1A, 4MHz, Synchronous Step-Down
DC/DC Converter
95% Efciency, VIN: 2.25V to 5.5V, VOUT(MIN) = 0.6V, IQ = 160μA, ISD < 1μA,
4mm × 5mm QFN-28 Package
LTC3417A-2
5.5V, Dual 1.5A/1A, 4MHz, Synchronous Step-Down
DC/DC Converter
95% Efciency, VIN: 2.25V to 5.5V, VOUT(MIN) = 0.8V, IQ = 125μA, ISD < 1μA,
TSSOP-16E and 3mm × 5mm DFN-16 Packages
LTC3612
5.5V, 3A, 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN: 2.25V to 5.5V, VOUT(MIN) = 0.6V, IQ = 75μA, ISD < 1μA,
3mm × 4mm QFN-20 and TSSOP-20E Packages
LTC3614
5.5V, 4A, 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN: 2.25V to 5.5V, VOUT(MIN) = 0.6V, IQ = 75μA, ISD < 1μA,
3mm × 4mm QFN-20 and TSSOP-20E Packages
LTC3616
5.5V, 6A, 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN: 2.25V to 5.5V, VOUT(MIN) = 0.6V, IQ = 75μA, ISD < 1μA,
3mm × 5mm QFN-24 Package
Figure 15. Single, Low Ripple 6A Output
(2 )
SW1
FB1
LTC3615
3615 F15
SGND PGND
RUN1
TRACK/SS1
ITH1
PHASE
RUN2
TRACK/SS2
PGOOD2
ITH2
PGOOD1
RT/SYNC
MODE
SRLIM
VIN
3.3V
SVIN
(2 )
PVIN1
(2 )
PVIN2
47μF
1μF
L1
0.47μH
L2
0.47μH
VOUT
1.2V/6A
47μF
R1
102k
R2
102k
RC
7.5k
CC
2000pF
(2 ) SW2
FB2
20pF
R8
226k
R9
174k
Figure 16. Reduced Ripple Current
(Waveform IL1 + IL2) and Ripple Voltage
(Not Shown) Through 180° Phase Shift
Between SW1 and SW2
Figure 17. Efciency vs Load Current
for VOUT = 1.2V and IOUT Up to 6A
OUTPUT CURRENT (A)
0.01
40
EFFICIENCY
(%)
50
60
70
80
0.1
1
10
30
20
10
0
90
100
3615 F17
VOUT = 1.2V
MODE = FCM
VIN = 2.5V
VIN = 3.3V
VIN = 5V
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| LTC3615HFE#PBF | 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP |
| LTC3615HFE#TRPBF | 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP |
| LTC3615HFE-1#PBF | 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP |
| LTC3615HFE-1#TRPBF | 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP |
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