Datasheet

2
LT1637
1637fd
ORDER PART
NUMBER
Total Supply Voltage (V
+
to V
–
) .............................. 44V
Input Differential Voltage ......................................... 44V
Input Current ...................................................... ±25mA
Shutdown Pin Voltage Above V
–
.....................................
32V
Shutdown Pin Current ........................................ ±10mA
Output Short-Circuit Duration (Note 2) .........Continuous
Operating Temperature Range (Note 3)
LT1637C/LT1637I .............................. –40°C to 85°C
LT1637H .......................................... –40°C to 125°C
LT1637MP......................................... –55°C to 125°C
*The temperature grades are identified by a label on the shipping container. Consult factory for parts specified with wider operating temperature ranges.
(Note 1)
ORDER PART
NUMBER
S8 PART
MARKING
1637
1637I
1637H
1637MP
LT1637CN8
LT1637CS8
LT1637IN8
LT1637IS8
LT1637HS8
LT1637MPS8
1
2
3
4
8
7
6
5
TOP VIEW
NULL
V
+
OUT
SHDN
NULL
–IN
+IN
V
–
S8 PACKAGE
8-LEAD PLASTIC SO
N8 PACKAGE
8-LEAD PDIP
T
JMAX
= 150°C, θ
JA
= 150°C/W (N8)
T
JMAX
= 150°C, θ
JA
= 190°C/W (S8)
PACKAGE/ORDER I FOR ATIO
UUW
ABSOLUTE AXI U RATI GS
W
WW
U
Specified Temperature Range (Note 4)
LT1637C/LT1637I .............................. –40°C to 85°C
LT1637H .......................................... –40°C to 125°C
LT1637MP......................................... –55°C to 125°C
Junction Temperature........................................... 150°C
Junction Temperature (DD Package) ................... 125°C
Storage Temperature Range ................. –65°C to 150°C
Storage Temperature Range
(DD Package) ....................................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec).................. 300°C
1
2
3
4
NULL
–IN
+IN
V
–
8
7
6
5
NULL
V
+
OUT
SHDN
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
MS8 PART*
MARKING
LTIE
LTIE
LT1637CMS8
LT1637IMS8
T
JMAX
= 150°C, θ
JA
= 250°C/W
ORDER PART
NUMBER
DD PART*
MARKING
LAAK
LAAK
LT1637CDD
LT1637IDD
TOP VIEW
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
5
6
7
8
4
3
2
1NULL
–IN A
+IN A
V
–
NULL
V
+
OUT
SHDN
LT1637C/LT1637I
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage N8, S8 Packages 100 350 µV
0°C ≤ T
A
≤ 70°C ● 550 µV
–40°C ≤ T
A
≤ 85°C ● 700 µV
MS8 Package 100 350 µV
0°C ≤ T
A
≤ 70°C ● 750 µV
–40°C ≤ T
A
≤ 85°C ● 1100 µV
DD Package 125 550 µV
0°C ≤ T
A
≤ 70°C ● 950 µV
–40°C ≤ T
A
≤ 85°C ● 1100 µV
The ● denotes the specifications which apply over the full operating temperature range of –40°C ≤ T
A
≤ 85°C, otherwise
specifications are at T
A
= 25°C. V
S
= 3V, 0V; V
S
= 5V, 0V; V
SHDN
= V
–
,V
CM
= V
OUT
= half supply unless otherwise specified. (Note 4)
3V 5VA
U
D ELECTRICAL CHARACTERISTICS
T
JMAX
= 125°C, θ
JA
= 160°C/W (NOTE 2)
UNDERSIDE METAL CONNECTED TO V
–