Datasheet

LTC3407
2
3407fa
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
Ambient Operating Temperature
Range (Note 2) .................................... –40°C to 85°C
(Note 1)
TOP VIEW
DD PACKAGE
10-LEAD (3mm × 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 IS PGND (PIN 11) 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 IS PGND (PIN 11) MUST BE CONNECTED TO GND
PIN CONFIGURATION
ELECTRICAL CHARACTERISTICS
Junction Temperature (Note 5) ............................. 125°C
Storage Temperature Range
LTC3407EMSE ...................................– 65°C to 150°C
LTC3407EDD ...................................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
LTC3407EMSE only ........................................... 300°C
The l 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)
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
V
FB
Feedback Voltage (Note 3) 0°C ≤ T
A
≤ 85°C
–40°C ≤ T
A
≤ 85°C ●
0.588
0.585
0.6
0.6
0.612
0.612
V
V
ΔV
LINE REG
Reference Voltage Line Regulation V
IN
= 2.5V to 5.5V (Note 3) 0.3 0.5 %/V
ΔV
LOAD REG
Output Voltage Load Regulation (Note 3) 0.5 %
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3407EDD#PBF LTC3407EDD#TRPBF LAGK 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C
LTC3407EMSE#PBF LTC3407EMSE#TRPBF LTABA 10-Lead (3mm × 3mm) Plastic MSOP –40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
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/
ORDER INFORMATION