LTC3615-1_15 Datasheet, PDF (2/32 Pages) Linear Technology – Dual 4MHz, 3A Synchronous Step-Down DC/DC Converter

LTC3615/LTC3615-1
Absolute Maximum Ratings (Notes 1, 11)
PV_IN1, PV_IN2 Voltages..................... –0.3V to SV_IN + 0.3V
SV_IN Voltage................................................. –0.3V to 6V
SW1 Voltage ..............................–0.3V to (PV_IN1 + 0.3V)
SW2 Voltage...............................–0.3V to (PV_IN2 + 0.3V)
PGOOD1, PGOOD2 Voltages......................... –0.3V to 6V
All Other Pins............................... –0.3V to (SV_IN + 0.3V)
Operating Junction Temperature
Range (Notes 2, 11)................................ –55°C to 150°C
Storage Temperature.............................. –65°C to 150°C
Lead Soldering Temperature (eTSSOP).................. 300°C
Reflow Peak Body Temperature (QFN)................... 260°C
Pin Configuration
TOP VIEW
PHASE 1
FB2 2
ITH2 3
TRACK/SS2 4
SGND 5
PV_IN2 6
PV_IN2 7
SW2 8
SW2 9
RUN2 10
RUN1 11
R_T/SYNC 12
25
PGND
24 MODE
23 FB1
22 ITH1
21 TRACK/SS1
20 SV_IN
19 PV_IN1
18 PV_IN1
17 SW1
16 SW1
15 PGOOD1
14 SRLIM
13 PGOOD2
FE PACKAGE
24-LEAD PLASTIC eTSSOP
T_JMAX = 150°C, θ_JA = 33°C/W
EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
TOP VIEW
ITH1 1
FB1 2
MODE 3
PHASE 4
FB2 5
ITH2 6
24 23 22 21 20 19
25
PGND
18 PGOOD1
17 SRLIM
16 PGOOD2
15 R_T/SYNC
14 RUN1
13 RUN2
7 8 9 10 11 12
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
T_JMAX = 150°C, θ_JA = 37°C/W
EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3615EFE#PBF
LTC3615EFE#TRPBF
LTC3615FE
24-Lead Plastic TSSOP
–40°C to 125°C
LTC3615IFE#PBF
LTC3615IFE#TRPBF
LTC3615FE
24-Lead Plastic TSSOP
–40°C to 125°C
LTC3615HFE#PBF
LTC3615HFE#TRPBF
LTC3615FE
24-Lead Plastic TSSOP
–40°C to 150°C
LTC3615MPFE#PBF
LTC3615MPFE#TRPBF
LTC3615FE
24-Lead Plastic TSSOP
–55°C to 150°C
LTC3615EUF#PBF
LTC3615EUF#TRPBF
3615
LTC3615IUF#PBF
LTC3615IUF#TRPBF
3615
24-Lead (4mm × 4mm) Plastic QFN
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 125°C
–40°C to 125°C
LTC3615HUF#PBF
LTC3615HUF#TRPBF
3615
LTC3615MPUF#PBF
LTC3615MPUF#TRPBF
3615
24-Lead (4mm × 4mm) Plastic QFN
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 150°C
–55°C to 150°C
LTC3615EFE-1#PBF
LTC3615EFE-1#TRPBF
LTC3615FE-1
24-Lead Plastic TSSOP
–40°C to 125°C
LTC3615IFE-1#PBF
LTC3615IFE-1#TRPBF
LTC3615FE-1
24-Lead Plastic TSSOP
–40°C to 125°C
LTC3615HFE-1#PBF
LTC3615HFE-1#TRPBF
LTC3615FE-1
24-Lead Plastic TSSOP
–40°C to 150°C
LTC3615MPFE-1#PBF LTC3615MPFE-1#TRPBF LTC3615FE-1
24-Lead Plastic TSSOP
–55°C to 150°C
LTC3615EUF-1#PBF
LTC3615EUF-1#TRPBF
36151
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 125°C
LTC3615IUF-1#PBF
LTC3615HUF-1#PBF
LTC3615IUF-1#TRPBF
LTC3615HUF-1#TRPBF
36151
36151
24-Lead (4mm × 4mm) Plastic QFN
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 125°C
–40°C to 150°C
LTC3615MPUF-1#PBF LTC3615MPUF-1#TRPBF 36151
24-Lead (4mm × 4mm) Plastic QFN
–55°C to 150°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/
3615fb
2
For more information www.linear.com/LTC3615