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LTC3618 Datasheet(PDF) 2 Page - Linear Integrated Systems

Part # LTC3618
Description  Dual 4MHz, 3A Synchronous Buck Converter for DDR Termination
PDF  24 Pages
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Manufacturer  LINEAR [Linear Integrated Systems]
Direct Link  http://www.linearsystems.com
Logo LINEAR - Linear Integrated Systems

LTC3618 Datasheet(HTML) 2 Page - Linear Integrated Systems

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LTC3618
2
3618fb
ABSOLUTE MAXIMUM RATINGS
PVIN1, PVIN2 Voltages................................... –0.3V to 6V
SVIN Voltage................................................. –0.3V to 6V
SW1 Voltage ............................. –0.3V to (PVIN1 + 0.3V)
SW2 Voltage .............................. –0.3V to (PVIN2 + 0.3V)
RUN1 Voltage ............................. –0.3V to (SVIN + 0.6V)
All Other Pins ............................................... –0.3V to 6V
(Notes 1, 10)
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
FE PACKAGE
24-LEAD PLASTIC TSSOP
24
23
22
21
20
19
18
17
16
15
14
13
PHASE
FB2
ITH2
VDDQIN
SGND
PVIN2
PVIN2
SW2
SW2
RUN2
RUN1
RT
MODE/SYNC
ITH1
FB1
TRACK/SS1
SVIN
PVIN1
PVIN1
SW1
SW1
PGOOD1
VTTR
PGOOD2
25
PGND
TJMAX = 125°C, θJA = 33°C/W
EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
24 23 22 21 20 19
7
8
9
TOP VIEW
UF PACKAGE
24-LEAD (4mm
× 4mm) PLASTIC QFN
10 11 12
6
5
4
3
2
1
13
14
15
16
17
18
FB1
ITH1
MODE/SYNC
PHASE
FB2
ITH2
PGOOD1
VTTR
PGOOD2
RT
RUN1
RUN2
25
PGND
TJMAX = 125°C, θJA = 46.9°C/W
EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3618EFE#PBF
LTC3618EFE#TRPBF
LTC3618FE
24-Lead Plastic TSSOP
–40°C to 125°C
LTC3618IFE#PBF
LTC3618IFE#TRPBF
LTC3618FE
24-Lead Plastic TSSOP
–40°C to 125°C
LTC3618EUF#PBF
LTC3618EUF#TRPBF
3618
24-Lead (4mm
× 4mm) Plastic QFN
–40°C to 125°C
LTC3618IUF#PBF
LTC3618IUF#TRPBF
3618
24-Lead (4mm
× 4mm) Plastic QFN
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
Operating Junction Temperature
Range (Note 2)....................................... –40°C to 125°C
Storage Temperature.............................. –65°C to 150°C
Lead Soldering Temperature (TSSOP) .................. 300°C
Reflow Peak Body Temperature (QFN) .................. 260°C



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