Datasheet

LT1638/LT1639
2
16389fg
ABSOLUTE MAXIMUM RATINGS
Specifi ed Temperature Range (Note 4)
LT1638C/LT1639C ................................–40°C to 85°C
LT1638I/LT1639I ..................................–40°C to 85°C
LT1638H/LT1639H .............................–40°C to 125°C
Junction Temperature .......................................... 150°C
DD Package ...................................................... 125°C
Storage Temperature Range ...................–65°C to 150°C
DD Package .......................................–65°C to 125°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
Total Supply Voltage (V
+
to V
–
) ................................44V
Input Differential Voltage...........................................44V
Input Current ........................................................±25mA
Output Short-Circuit Duration (Note 2) .........Continuous
Operating Temperature Range (Note 3)
LT1638C/LT1639C ................................–40°C to 85°C
LT1638I/LT1639I ..................................–40°C to 85°C
LT1638H/LT1639H .............................–40°C to 125°C
(Note 1)
1
2
3
4
OUT A
–IN A
+IN A
V
–
8
7
6
5
V+
OUT B
–IN B
+IN B
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
A
B
T
JMAX
= 150°C, θ
JA
= 273°C/W
1
2
3
4
8
7
6
5
TOP VIEW
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
V
+
OUT B
–IN B
+IN B
A
B
OUT A
–IN A
+IN A
V
–
T
JMAX
= 150°C, θ
JA
= 150°C/W (N8)
T
JMAX
= 150°C, θ
JA
= 190°C/W (S8)
TOP VIEW
DD PACKAGE
8-LEAD (3mm s 3mm) PLASTIC DFN
5
6
7
8
4
3
2
1OUT A
–IN A
+IN A
V
–
V
+
OUT B
–IN B
+IN B
A
B
T
JMAX
= 125°C, θ
JA
= 43°C/W
UNDERSIDE METAL INTERNALLY CONNECTED TO V
–
1
2
3
4
5
6
7
14
13
12
11
10
9
8
TOP VIEW
N PACKAGE
14-LEAD PDIP
S PACKAGE
14-LEAD PLASTIC SO
OUT D
–IN D
+IN D
V
–
+IN C
–IN C
OUT C
A
D
B
C
OUT A
–IN A
+IN A
V
+
+IN B
–IN B
OUT B
T
JMAX
= 150°C, θ
JA
= 130°C/W (N)
T
JMAX
= 150°C, θ
JA
= 160°C/W (S)
PIN CONFIGURATION