Datasheet

LTC3419
2
3419fa
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage (V
IN
) ............................. –0.3 to 6V
V
FB1
, V
FB2
........................................–0.3V to V
IN
+ 0.3V
RUN1, RUN2, MODE ........................ –0.3V to V
IN
+ 0.3V
SW1, SW2 ....................................... –0.3V to V
IN
+ 0.3V
P-Channel SW Source Current (DC) (Note 2) .......800mA
N-Channel SW Source Current (DC) (Note 2) ......800mA
(Note 1)
TOP VIEW
DD PACKAGE
8-LEAD
(
3mm s 3mm
)
PLASTIC DFN
5
6
7
8
9
4
3
2
1V
FB1
RUN1
MODE
SW1
V
FB2
RUN2
SW2
V
IN
T
JMAX
= 125°C, θ
JA
= 40°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
5
V
FB1
RUN1
MODE
SW1
GND
10
9
8
7
6
V
FB2
RUN2
SW2
V
IN
GND
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 120°C/W
Peak SW Source and Sink Current (Note 2) .............1.3A
Operating Junction Temperature Range
(Note 3) .................................................–40 to 125°C
Junction Temperature (Note 6) ............................. 125°C
Storage Temperature Range ...................–65°C to 125°C
Lead Temperature (Soldering, 10 sec)
MSOP Package ................................................. 300°C
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3419EDD#PBF LTC3419EDD#TRPBF LCQJ
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3419EDD-1#PBF LTC3419EDD-1#TRPBF LCWW
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3419IDD#PBF LTC3419IDD#TRPBF LCQJ
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3419IDD-1#PBF LTC3419IDD-1#TRPBF LCWW
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3419EMS#PBF LTC3419EMS#TRPBF LTCQK 10-Lead Plastic MSOP –40°C to 125°C
LTC3419EMS-1#PBF LTC3419EMS-1#TRPBF LTCWX 10-Lead Plastic MSOP –40°C to 125°C
LTC3419IMS#PBF LTC3419IMS#TRPBF LTCQK 10-Lead Plastic MSOP –40°C to 125°C
LTC3419IMS-1#PBF LTC3419IMS-1#TRPBF LTCWX 10-Lead Plastic MSOP –40°C to 125°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi
cations, go to: http://www.linear.com/tapeandreel/