Datasheet

LTC3127
2
3127f
pin conFiguraTion
absoluTe MaxiMuM raTings
V
IN
, V
OUT
Voltage .......................................... –0.3 to 6V
SW1, SW2 DC Voltage
................................... –0.3 to 6V
SW1, SW2 Pulsed (<100ns) Voltage
.............. –0.3 to 7V
MODE, FB, V
C
Voltage .................................... –0.3 to 6V
SHDN Voltage
............................................... –0.3 to 6V
(Note 1)
TOP VIEW
DD PACKAGE
10-LEAD (3mm s 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
SW2
V
OUT
V
C
FB
SGND
SW1
V
IN
SHDN
MODE
PROG
11
PGND
T
JMAX
= 125°C, θ
JA
= 43°C/W (NOTE 6)
EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
PGND
SW1
V
IN
SHDN
MODE
PROG
12
11
10
9
8
7
PGND
SW2
V
OUT
V
C
FB
SGND
TOP VIEW
MSE PACKAGE
12-LEAD PLASTIC MSOP
13
PGND
T
JMAX
= 125°C, θ
JA
= 40°C/W (NOTE 6)
EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3127EDD#PBF LTC3127EDD#TRPBF LDYD
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3127EMSE#PBF LTC3127EMSE#TRPBF 3127 12-Lead Plastic MSOP –40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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/
PROG Voltage ................................................ –0.3 to 6V
Operating Junction Temperature Range
(Note 2)
....................................................–40°C to 85°C
Maximum Junction Temperature (Note 5)
........... 125°C
Storage Temperature Range
.................. –65°C to 125°C