Datasheet
LTC3615/LTC3615-1
2
3615fb
For more information www.linear.com/LTC3615
absoluTe MaxiMuM raTings
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)
(Notes 1, 11)
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
FE PACKAGE
24-LEAD PLASTIC eTSSOP
24
23
22
21
20
19
18
17
16
15
14
13
PHASE
FB2
ITH2
TRACK/SS2
SGND
PV
IN2
PV
IN2
SW2
SW2
RUN2
RUN1
R
T
/SYNC
MODE
FB1
ITH1
TRACK/SS1
SV
IN
PV
IN1
PV
IN1
SW1
SW1
PGOOD1
SRLIM
PGOOD2
25
PGND
T
JMAX
= 150°C, θ
JA
= 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
ITH1
FB1
MODE
PHASE
FB2
ITH2
PGOOD1
SRLIM
PGOOD2
R
T
/SYNC
RUN1
RUN2
TRACK/SS1
SV
IN
PV
IN1
PV
IN1
SW1
SW1
TRACK/SS2
SGND
PV
IN2
PV
IN2
SW2
SW2
25
PGND
T
JMAX
= 150°C, θ
JA
= 37°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
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 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C
LTC3615IUF#PBF LTC3615IUF#TRPBF 3615 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C
LTC3615HUF#PBF LTC3615HUF#TRPBF 3615 24-Lead (4mm × 4mm) Plastic QFN –40°C to 150°C
LTC3615MPUF#PBF LTC3615MPUF#TRPBF 3615 24-Lead (4mm × 4mm) Plastic QFN –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 LTC3615IUF-1#TRPBF 36151 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C
LTC3615
HUF-1#PBF LTC3615HUF-1#TRPBF
36151 24-Lead (4mm × 4mm) Plastic QFN –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 LT C
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 (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
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