Datasheet

LTC3548A
2
3548afa
ABSOLUTE MAXIMUM RATINGS
V
IN
Voltage ...................................................–0.3V to 6V
V
FB1
, V
FB2
Voltages ................................... –0.3V to 1.5V
RUN/SS1, RUN/SS2 Voltages .......... –0.3V to V
IN
+ 0.3V
MODE/SYNC Voltage ....................... –0.3V to V
IN
+ 0.3V
SW1, SW2 Voltages ......................... –0.3V to V
IN
+ 0.3V
POR Voltage ................................................. –0.3V to 6V
(Note 1)
TOP VIEW
DD PACKAGE
10-LEAD (3mm s 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
V
FB2
RUN/SS2
POR
SW2
MODE/SYNC
V
FB1
RUN/SS1
V
IN
SW1
NC
11
T
JMAX
= 125°C, θ
JA
= 45°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO GND
TOP VIEW
1
2
3
4
5
V
FB1
RUN/SS1
V
IN
SW1
NC
10
9
8
7
6
V
FB2
RUN/SS2
POR
SW2
MODE/SYNC
11
MSE PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 45°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO GND
PIN CONFIGURATION
ORDER INFORMATION
Operating Junction Temperature Range
(Notes 2, 5) ............................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSOP ...............................................................300°C
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3548AEDD#PBF LTC3548AEDD#TRPBF LFKV
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3548AEMSE#PBF LTC3548AEMSE#TRPBF LTFKW 10-Lead Plastic MSOP –40°C to 125°C
LTC3548AIDD#PBF LTC3548AIDD#TRPBF LFKV
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3548AIMSE#PBF LTC3548AIMSE#TRPBF LTFKW 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.
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/