Datasheet

LTC3642
2
3642fc
ABSOLUTE MAXIMUM RATINGS
V
IN
Supply Voltage .....................................–0.3V to 60V
SW Voltage (DC)
........................... –0.3V to (V
IN
+ 0.3V)
RUN Voltage
.............................................. –0.3V to 60V
HYST, I
SET
, SS Voltages ...............................–0.3V to 6V
V
FB
............................................................... –0.3V to 6V
V
OUT
(Fixed Output Versions) .......................–0.3V to 6V
(Note 1)
1
2
3
4
SW
V
IN
I
SET
SS
8
7
6
5
GND
HYST
V
OUT
/V
FB
RUN
TOP VIEW
9
GND
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
TOP VIEW
9
GND
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
5
6
7
8
4
3
2
1SW
V
IN
I
SET
SS
GND
HYST
V
OUT
/V
FB
RUN
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
PIN CONFIGURATION
ORDER INFORMATION
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
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3642EMS8E#PBF LTC3642EMS8E#TRPBF
LTDTH
8-Lead Plastic MSOP –40°C to 125°C
LTC3642EMS8E-3.3#PBF LTC3642EMS8E-3.3#TRPBF
LTDYN
8-Lead Plastic MSOP –40°C to 125°C
LTC3642EMS8E-5#PBF LTC3642EMS8E-5#TRPBF
LTDYQ
8-Lead Plastic MSOP –40°C to 125°C
LTC3642IMS8E#PBF LTC3642IMS8E#TRPBF
LTDTH
8-Lead Plastic MSOP –40°C to 125°C
LTC3642IMS8E-3.3#PBF LTC3642IMS8E-3.3#TRPBF
LTDYN
8-Lead Plastic MSOP –40°C to 125°C
LTC3642IMS8E-5#PBF LTC3642IMS8E-5#TRPBF
LTDYQ
8-Lead Plastic MSOP –40°C to 125°C
LTC3642EDD#PBF LTC3642EDD#TRPBF
LDTJ
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3642EDD-3.3#PBF LTC3642EDD-3.3#TRPBF
LDYM
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3642EDD-5#PBF LTC3642EDD-5#TRPBF
LDYP
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3642IDD#PBF LTC3642IDD#TRPBF
LDTJ
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3642IDD-3.3#PBF LTC3642IDD-3.3#TRPBF
LDYM
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3642IDD-5#PBF LTC3642IDD-5#TRPBF
LDYP
8-Lead (3mm × 3mm) Plastic DFN
–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/