Datasheet

LTC3459
2
3459fc
ABSOLUTE MAXIMUM RATINGS
V
IN
, FB Voltage ........................................... –0.3V to 7V
V
OUT
, SHDN Voltage ................................. –0.3V to 10V
SW Voltage .............................................. –0.3V to 12V
Operating Temperature Range
(Notes 2, 3) ......................................... –40°C to 85°C
Referred to GND (Note 1)
TOP VIEW
SW
FB
V
IN
V
OUT
SHDN
DC PACKAGE
6-LEAD (2mm s 2mm) PLASTIC DFN
4
5
7
6
3
2
1
GND
T
JMAX
= 125°C, θ
JA
= 102°C/W
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
V
IN
GND
SW
S
HDN
V
OUT
FB
DCB PACKAGE
6-LEAD (2mm × 3mm) PLASTIC DFN
4
5
7
6
3
2
1
T
JMAX
= 125°C, θ
JA
= 64°C/W
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
SW 1
GND 2
FB 3
6V
IN
5V
OUT
4 SHDN
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
T
JMAX
= 125°C, θ
JA
= 192°C/W
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3459EDC#PBF LTC3459EDC#TRPBF LDTG
Low Profi le (2mm × 2mm) Plastic DFN
–40°C to 85°C
LTC3459EDCB#PBF LTC3459EDCB#TRPBF LDMM
Low Profi le (2mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3459ES6#PBF LTC3459ES6#TRPBF LTAHA Low Profi le SOT-23 –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/
Storage Temperature Range .................. –65°C to 150°C
Refl ow Temperature .............................................. 260°C
Lead Temperature, S6 Package
(Soldering, 10 sec) .......................................... 300°C