LTC3615 LINER [Linear Technology], LTC3615 Datasheet - Page 2

• Manufacturer Part Number: LTC3615
• Description: Dual 4MHz, 3A Synchronous Step-Down DC/DC Converter
• Manufacturer: LINER [Linear Technology]

absoluTe MaxiMuM raTings
LTC3615
PV
SV
SW1 Voltage .............................–0.3V to (PV
SW2 Voltage ..............................–0.3V to (PV
PGOOD1, PGOOD2 Voltages ........................ –0.3V to 6V
All Other Pins .............................. –0.3V to (SV
orDer inForMaTion
LEAD FREE FINISH
LTC3615EFE#PBF
LTC3615IFE#PBF
LTC3615EUF#PBF
LTC3615IUF#PBF
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:
For more information on tape and reel specifications, go to:
pin conFiguraTion

IN1
IN
Voltage ................................................. –0.3V to 6V
, PV
IN2
EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
Voltages .....................–0.3V to SV
TRACK/SS2
R
T
PHASE
/SYNC
SGND
PV
PV
RUN2
RUN1
ITH2
SW2
SW2
FB2
IN2
IN2
T
JMAX
24-LEAD PLASTIC TSSOP
TAPE AND REEL
LTC3615EFE#TRPBF
LTC3615IFE#TRPBF
LTC3615EUF#TRPBF
LTC3615IUF#TRPBF
10
11
12
1
2
3
4
5
6
7
8
9
= 125°C, θ
FE PACKAGE
TOP VIEW
PGND
25
JA
= 33°C/W
24
23
22
21
20
19
18
17
16
15
14
13
MODE
FB1
ITH1
TRACK/SS1
SV
PV
PV
SW1
SW1
PGOOD1
SRLIM
PGOOD2
IN
IN1
IN1
http://www.linear.com/leadfree/
PART MARKING*
LTC3615FE
LTC3615FE
3615
3615
http://www.linear.com/tapeandreel/
IN1
IN2
IN
IN
+ 0.3V)
+ 0.3V)
+ 0.3V)
+ 0.3V
(Note 1)
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
PACKAGE DESCRIPTION
24-Lead Plastic TSSOP
24-Lead Plastic TSSOP
24-Lead (4mm × 4mm) Plastic QFN
24-Lead (4mm × 4mm) Plastic QFN
EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
PHASE
MODE
ITH1
ITH2
FB1
FB2
24-LEAD (4mm 4mm) PLASTIC QFN
1
2
3
4
5
6
T
24 23 22 21 20 19
7
JMAX
8
UF PACKAGE
= 125°C, θ
TOP VIEW
PGND
9
25
10 11 12
JA
= 37°C/W
18
17
16
15
14
13
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
PGOOD1
SRLIM
PGOOD2
R
RUN1
RUN2
T
/SYNC
3615f