Datasheet

LTC3103
2
3103f
ABSOLUTE MAXIMUM RATINGS
V
IN
............................................................. –0.3V to 18V
SW
................................................ –0.3V to (V
IN
+ 0.3V)
FB ................................................................ –0.3V to 6V
BST
........................................ (SW – 0.3V) to (SW + 6V)
RUN, MODE
............................................... –0.3V to V
IN
V
CC
, PGOOD ................................................. –0.3V to 6V
(Note 1)
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3103EDD#PBF LTC3103EDD#TRPBF LFXH
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3103IDD#PBF LTC3103IDD#TRPBF LFXH
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3103EMSE#PBF LTC3103EMSE#TRPBF LTFXJ 10-Lead Plastic MSOP –40°C to 125°C
LTC3103IMSE#PBF LTC3103IMSE#TRPBF LTFXJ 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
junction temperature range, otherwise specifications are at T
A
= 25°C (Note 2). V
IN
= 10V unless otherwise noted.
TOP VIEW
11
GND
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
MODE
NC
FB
RUN
V
CC
V
IN
SW
BST
GND
PGOOD
T
JMAX
= 125°C, θ
JA
= 58°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
5
V
IN
SW
BST
GND
PGOOD
10
9
8
7
6
MODE
NC
FB
RUN
V
CC
TOP VIEW
11
GND
MSE PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 40°C/W, θ
JC
= 5.0°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
Operating Junction Temperature Range
(Notes 2, 3)
............................................ –40°C to 125°C
Storage Temperature Range
.................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSE Only .......................................................... 300°C
PARAMETER CONDITIONS MIN TYP MAX UNITS
Step-Down Converter
Input Voltage Range
l
2.5 15 V
Input Undervoltage Lockout Threshold V
IN
Rising
V
IN
Rising, T
J
= 0°C to 85°C (Note 4)
l
2.1
2.1
2.6
2.5
V
V
Input Undervoltage Lockout Hysteresis (Note 4) 0.4 V