Datasheet

LT1991
2
1991fh
ABSOLUTE MAXIMUM RATINGS
Total Supply Voltage (V
+
to V
–
) ................................40V
Input Voltage (Pins P1/M1, Note 2)
........................±60V
Input Voltage
(Other Inputs Note 2)
..................V
+
+ 0.2V to V
–
– 0.2V
Output Short-Circuit Duration (Note 3)
........... Indefinite
Operating Temperature Range (Note 4)
LT1991C ...............................................–40°C to 85°C
LT1991I ................................................ –40°C to 85°C
LT1991H ............................................. –40°C to 125°C
(Note 1)
Specified Temperature Range (Note 5)
LT1991C ...............................................–40°C to 85°C
LT1991I ................................................ –40°C to 85°C
LT1991H ............................................. –40°C to 125°C
Maximum Junction Temperature
DD Package
......................................................... 125°C
MS Package
......................................................... 150°C
Storage Temperature Range
DD Package
........................................... –65°C to 125°C
MS Package
........................................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
..................300°C
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE
LT1991CDD#PBF LTCT1991CDD#TRPBF LBMM 10-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C
LT1991ACDD#PBF LT1991ACDD#TRPBF LBMM 10-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C
LT1991IDD#PBF LT1991IDD#TRPBF LBMM 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C
LT1991AIDD#PBF LT1991AIDD#TRPBF LBMM 10-Lead (3mm × 3mm) Plastic DFN –40°C
to 85°C
LT1991HDD#PBF LT1991HDD#TRPBF LBMM 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C
LT1991CMS#PBF LT1991CMS#TRPBF LTQD 10-Lead Plastic MSOP 0°C to 70°C
LT1991ACMS#PBF LT1991ACMS#TRPBF LTQD 10-Lead Plastic MSOP 0°C to 70°C
LT1991IMS#PBF LT1991IMS#TRPBF LTQD 10-Lead Plastic MSOP –40°C to 85°C
LT1991AIMS#PBF LT1991AIMS#TRPBF LTQD 10-Lead Plastic MSOP –40°C to 85°C
LT1991HMS#PBF LT1991HMS#
TRPBF LTQD 10-Lead Plastic MSOP –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *Temperature grades are 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/
TOP VIEW
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
M1
M3
M9
V
CC
OUT
P1
P3
P9
V
EE
REF
EXPOSED PAD CONNECTED TO V
EE
PCB
CONNECTION OPTIONAL
T
JMAX
= 125°C, q
JA
= 43°C/W
1
2
3
4
5
P1
P3
P9
V
EE
REF
10
9
8
7
6
M1
M3
M9
V
CC
OUT
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 150°C, q
JA
= 230°C/W
PIN CONFIGURATION
ORDER INFORMATION