LTC3642
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V
IN
Supply Voltage ..................................... –0.3V to 60V
SW Voltage (DC) ............................–0.3V to (V
IN
+ 0.3V)
RUN Voltage .............................................. –0.3V to 60V
V
FB
/V
OUT
, HYST, I
SET
, SS Voltages ................ –0.3V to 6V
Operating Junction Temperature Range
(Note 2).................................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MS8E ................................................................ 300°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
SW
V
IN
I
SET
SS
1
2
3
4
8
7
6
5
GND
HYST
V
OUT
/V
FB
RUN
SW 1
V
IN
2
I
SET
3
SS 4
9
8
7
6
5
GND
HYST
V
OUT
/V
FB
RUN
9
MS8E PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 125°C,
θ
JA
= 40°C/W,
θ
JC
= 5°-10°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
DD PACKAGE
8-LEAD (3mm 3mm) PLASTIC DFN
T
JMAX
= 125°C,
θ
JA
= 43°C/W,
θ
JC
= 3°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3642EMS8E#PBF
LTC3642EMS8E-3.3#PBF
LTC3642EMS8E-5#PBF
LTC3642IMS8E#PBF
LTC3642IMS8E-3.3E#PBF
LTC3642IMS8E-5#PBF
LTC3642EDD#PBF
LTC3642EDD-3.3#PBF
LTC3642EDD-5#PBF
LTC3642IDD#PBF
LTC3642IDD-3.3#PBF
LTC3642IDD-5#PBF
TAPE AND REEL
LTC3642EMS8E#TRPBF
LTC3642EMS8E-3.3#TRPBF
LTC3642EMS8E-5#TRPBF
LTC3642IMS8E#TRPBF
LTC3642IMS8E-3.3#TRPBF
LTC3642IMS8E-5#TRPBF
LTC3642EDD#TRPBF
LTC3642EDD-3.3#TRPBF
LTC3642EDD-5#TRPBF
LTC3642IDD#TRPBF
LTC3642IDD-3.3#TRPBF
LTC3642IDD-5#TRPBF
PART MARKING*
PACKAGE DESCRIPTION
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead (3mm
×
3mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
LTDTH
LTDYN
LTDYQ
LTDTH
LTDYN
LTDYQ
LDTJ
LDYM
LDYP
LDTJ
LDYM
LDYP
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/
3642f
2
LINER [ LINEAR TECHNOLOGY ]
