LTC3805
2
3805fg
absolute MaxiMuM ratings
V
CC
to GND
Low Impedance Source ........................ –0.3V to 8.8V
Current Fed ........................................25mA into V
CC
*
SYNC ........................................................... –0.3V to 6V
SSFLT........................................................... –0.3V to 5V
FB, I
TH
, FS ................................................. –0.3V to 3.5V
RUN ........................................................... –0.3V to 18V
(Note 1)
TOP VIEW
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
11
9
6
7
8
4
5
3
2
1
GATE
V
CC
OC
I
SENSE
SYNC
SSFLT
I
TH
FB
RUN
FS
T
JMAX
= 125°C, θ
JA
= 45°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE CONNECTED TO GND
1
2
3
4
5
SSFLT
I
TH
FB
RUN
FS
10
9
8
7
6
GATE
V
CC
OC
I
SENSE
SYNC
TOP VIEW
MSE PACKAGE
11
T
JMAX
= 150°C, θ
JA
= 45°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE CONNECTED TO GND
OC, I
SENSE
.................................................... –0.3V to 1V
Operating Junction Temperature Range
(Notes 2, 3) ............................................ –55°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSE Package .................................................... 300°C
*LTC3805 internal clamp circuit regulates V
CC
voltage to 9.5V
orDer inForMation
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3805EDD#PBF LTC3805EDD#TRPBF LCJM
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3805IDD#PBF LTC3805IDD#TRPBF LCJM
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3805EMSE#PBF LTC3805EMSE#TRPBF LTCJK 10-Lead Plastic MSOP –40°C to 85°C
LTC3805IMSE#PBF LTC3805IMSE#TRPBF LTCJK 10-Lead Plastic MSOP –40°C to 125°C
LTC3805HMSE#PBF LTC3805HMSE#TRPBF LTCJK 10-Lead Plastic MSOP –40°C to 150°C
LTC3805MPMSE#PBF LTC3805MPMSE#TRPBF LTCJK 10-Lead Plastic MSOP –55°C to 150°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3805EDD LTC3805EDD#TR LCJM
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3805IDD LTC3805IDD#TR LCJM
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3805EMSE LTC3805EMSE#TR LTCJK 10-Lead Plastic MSOP –40°C to 85°C
LTC3805IMSE LTC3805IMSE#TR LTCJK 10-Lead Plastic MSOP –40°C to 125°C
LTC3805HMSE LTC3805HMSE#TR LTCJK 10-Lead Plastic MSOP –40°C to 150°C
LTC3805MPMSE LTC3805MPMSE#TR LTCJK 10-Lead Plastic MSOP –55°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/
pin conFiguration