LTC3407A Datasheet, PDF (2/16 Pages) Linear Technology – Dual Synchronous 600mA, 1.5MHz Step-Down DC/DC Regulator

LTC3407A
ABSOLUTE MAXIMUM RATINGS ^{(Note 1)}
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
MODE/SYNC Voltage....................................–0.3V to V_IN
SW1, SW2 Voltages......................... –0.3V to V_IN + 0.3V
POR Voltage................................................. –0.3V to 6V
Operating Temperature Range (Note 2)
LTC3407AE .......................................... –40°C to 85°C
LTC3407AI ......................................... –40°C to 125°C
Junction Temperature (Note 5) ............................. 125°C
Storage Temperature Range...................– 65°C to 150°C
Lead Temperature (Soldering, 10 sec)
LTC3407AMSE Only.......................................... 300°C
PIN CONFIGURATION
TOP VIEW
V_FB1 1
RUN/SS1 2
V_{IN 3}
SW1 ₄
GND ₅
10 V_FB2
9 RUN/SS2
11
8 POR
7 SW2
6 MODE/
SYNC
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
EXPOSED PAD IS PGND (PIN 11)
MUST BE CONNECTED TO GND
T_JMAX = 125°C, θ_JA = 45°C/W, θ_JC = 10°C/W
TOP VIEW
V_FB1 1
10 V_FB2
RUN/SS1 2
9 RUN/SS2
V_IN 3
11
8 POR
SW1 4
7 SW2
GND 5
6 ^MODE/
SYNC
MSE PACKAGE
10-LEAD PLASTIC MSOP
EXPOSED PAD IS PGND (PIN 11)
MUST BE CONNECTED TO GND
T_JMAX = 125°C, θ_JA = 45°C/W, θ_JC = 10°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3407AEDD#PBF
LTC3407AEDD#TRPBF LCQN
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3407AIDD#PBF
LTC3407AIDD#TRPBF LCQN
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3407AEMSE#PBF
LTC3407AEMSE#TRPBF LTCRZ
10-Lead Plastic MSOP
–40°C to 85°C
LTC3407AIMSE#PBF
LTC3407AIMSE#TRPBF LTCRZ
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.
Consult LTC Marketing for information on non-standard lead based finish parts.
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 l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. V_IN = 3.6V, unless otherwise specified. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP MAX
V_IN
Operating Voltage Range
●
2.5
5.5
I_FB
V_FB
ΔV_{LINE REG}
Feedback Pin Input Current
Feedback Voltage (Note 3)
Reference Voltage Line Regulation
0°C ≤ T_A ≤ 85°C
–40°C ≤ T_A ≤ 125°C (LTC3407AI)
V_IN = 2.5V to 5.5V (Note 3)
●
0.588
● 0.585
30
0.6 0.612
0.6 0.612
0.3
0.5
2
UNITS
V
nA
V
V
%/V
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