Datasheet

LTC3407-2
2
34072fc
ABSOLUTE MAXIMUM RATINGS
V
IN
Voltages .................................................–0.3V to 6V
V
FB1
, V
FB2
Voltages .......................... –0.3V to V
IN
+ 0.3V
RUN1, RUN2 Voltages .................................–0.3V to V
IN
MODE/SYNC Voltage ........................ –0.3V to V
IN
+ 0.3V
SW1, SW2 Voltage ........................... –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
11
9
6
7
8
4
5
3
2
1
V
FB2
RUN2
POR
SW2
MODE/
SYNC
V
FB1
RUN1
V
IN
SW1
GND
T
JMAX
= 125°C, θ
JA
= 45°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 11) IS PGND, MUST BE CONNECTED TO GND
TOP VIEW
1
2
3
4
5
V
FB1
RUN1
V
IN
SW1
GND
10
9
8
7
6
V
FB2
RUN2
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 CONNECTED TO GND
PIN CONFIGURATION
ORDER INFORMATION
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Operating Voltage Range
●
2.5 5.5 V
I
FB
Feedback Pin Input Current
●
30 nA
Ambient Operating Temperature Range (Note 2)
LTC3407E-2 ......................................... –40°C to 85°C
LTC3407I-2 ........................................ –40°C to 125°C
Junction Temperature (Note 5) ............................. 125°C
Storage Temperature Range ...................– 65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSE Package Only ............................................ 300°C
Refl ow Peak Body Temperature ............................ 260°C
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3407EDD-2#PBF LTC3407EDD-2#TRPBF LBFB
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3407IDD-2#PBF LTC3407IDD-2#TRPBF LBFB
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3407EMSE-2#PBF LTC3407EMSE-2#TRPBF LTBDZ 10-Lead Plastic MSOP –40°C to 85°C
LTC3407IMSE-2#PBF LTC3407IMSE-2#TRPBF LTBDZ 10-Lead Plastic MSOP –40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3407EDD-2 LTC3407EDD-2#TR LBFB
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3407IDD-2 LTC3407IDD-2#TR LBFB
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3407EMSE-2 LTC3407EMSE-2#TR LTBDZ 10-Lead Plastic MSOP –40°C to 85°C
LTC3407IMSE-2 LTC3407IMSE-2#TR LTBDZ 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/
ELECTRICAL CHARACTERISTICS
The ● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
IN
= 3.6V, unless otherwise specifi ed. (Note 2)