Datasheet

LTC3646/LTC3646-1
2
36461fa
For more information www.linear.com/LTC3646
absoluTe MaxiMuM raTings
PVIN, SVIN Supply Voltage ........................ –0.3V to 45V
SW Voltage (DC) ........................... –0.3V to PVIN + 0.3V
BOOST – SW Voltage ................................... –0.3V to 6V
V
ON
Voltage ................................................ –0.3V to 33V
MODE/SYNC, RT, ITH,
V
FB
Voltage ................................–0.3V to INTV
CC
+ 0.3V
INTV
CC
Voltage ............................................ –0.3V to 6V
(Notes 1, 7)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
SVIN
RUN
EXTV
CC
INTV
CC
BOOST
SW
PVIN
SGND
V
FB
ITH
RT
V
ON
PGOOD
MODE/SYNC
TOP VIEW
15
PGND
DE PACKAGE
14-LEAD (4mm × 3mm) PLASTIC DFN
T
JMAX
= 150°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 15) IS PGND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
7
8
SGND
V
FB
ITH
RT
V
ON
PGOOD
MODE/SYNC
NC
16
15
14
13
12
11
10
9
SVIN
RUN
EXTV
CC
INTV
CC
BOOST
SW
PVIN
PVIN
TOP VIEW
17
PGND
MSE PACKAGE
16-LEAD PLASTIC MSOP
T
JMAX
= 150°C, θ
JA
= 38°C/W
EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB
pin conFiguraTion
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3646EDE#PBF LTC3646EDE#TRPBF 3646 14-Lead (4mm × 3mm) Plastic DFN –40°C to 85°C
LTC3646IDE#PBF LTC3646IDE#TRPBF 3646 14-Lead (4mm × 3mm) Plastic DFN –40°C to 125°C
LTC3646HDE#PBF LTC3646HDE#TRPBF 3646 14-Lead (4mm × 3mm) Plastic DFN –40°C to 150°C
LTC3646EMSE#PBF LTC3646EMSE#TRPBF 3646 16-Lead Plastic MSOP –40°C to 85°C
LTC3646IMSE#PBF LTC3646IMSE#TRPBF 3646 16-Lead Plastic MSOP –40°C to 125°C
LTC3646HMSE#PBF LTC3646HMSE#TRPBF 3646 16-Lead Plastic MSOP –40°C to 150°C
LTC3646EDE-1#PBF LTC3646EDE-1#TRPBF 36461 14-Lead (4mm × 3mm) Plastic DFN –40°C to 85°C
LTC3646IDE-1#PBF LTC3646IDE-1#TRPBF 36461 14-Lead (4mm × 3mm) Plastic DFN –40°C to 125°C
LTC3646HDE-1#PBF LTC3646HDE-1#TRPBF 36461 14-Lead (4mm × 3mm) Plastic DFN –40°C to 150°C
LTC3646EMSE-1#PBF LTC3646EMSE-1#TRPBF 36461 16-Lead Plastic MSOP –40°C to 85°C
LTC3646IMSE-1#PBF LTC3646IMSE-1#TRPBF 36461 16-Lead Plastic MSOP –40°C to 125°C
LTC3646HMSE-1#PBF LTC3646HMSE-1#TRPBF 36461 16-Lead Plastic MSOP –40°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.
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/
EXTV
CC
Voltage ........................................... –0.3V to 6V
RUN Voltage............................................... –0.3V to 45V
PGOOD .......................................–0.3V to INTV
CC
+ 0.3V
Operating Junction Temperature Range
(Note 2) ..................................................–40°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec) MSE ..........300°C