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LTC3407-2_15 Datasheet, PDF (2/16 Pages) Linear Technology – Dual Synchronous, 800mA, 2.25MHz Step-Down DC/DC Regulator
LTC3407-2
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN Voltages .................................................– 0.3V to 6V
VFB1, VFB2 Voltages .......................... –0.3V to VIN + 0.3V
RUN1, RUN2 Voltages .................................–0.3V to VIN
MODE/SYNC Voltage........................ –0.3V to VIN + 0.3V
SW1, SW2 Voltage........................... –0.3V to VIN + 0.3V
POR Voltage................................................. –0.3V to 6V
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
Reflow Peak Body Temperature ............................ 260°C
PIN CONFIGURATION
TOP VIEW
VFB1 1
RUN1 2
VIN 3
SW1 4
GND 5
10 VFB2
9 RUN2
11
8 POR
7 SW2
6 MODE/
SYNC
DD PACKAGE
10-LEAD (3mm s 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 11) IS PGND, MUST BE CONNECTED TO GND
TOP VIEW
VFB1 1
10 VFB2
RUN1 2
9 RUN2
VIN 3
11
8 POR
SW1 4
7 SW2
GND 5
6 MODE/
SYNC
MSE PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 11) IS PGND, MUST BE CONNECTED TO GND
ORDER INFORMATION
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 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/
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, unless otherwise specified. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP MAX
UNITS
VIN
Operating Voltage Range
IFB
Feedback Pin Input Current
● 2.5
●
5.5
V
30
nA
34072fc
2