LTC1444 LINER [Linear Technology], LTC1444 Datasheet - Page 2

• Manufacturer Part Number: LTC1444
• Description: Ultralow Power Single/Dual Comparator with Reference
• Manufacturer: LINER [Linear Technology]

PACKAGE/ORDER
ABSOLUTE
LTC1440/LTC1441/LTC1442
(Note 1)
Voltage
Current
Consult LTC Marketing for parts specified with wider operating temperature ranges.
* The temperature grade is identified by a label on the shipping container.
2
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking:
LTC1440CDD
LTC1440IDD
V
IN
REF ................................... (V
OUT (LTC1440) .............. (V
OUT (LTC1441/LTC1442) ... (V
IN
REF ................................................................... 20mA
OUT .................................................................. 50mA
ORDER PART
+
NUMBER
+
+
to V
, IN
, IN
OUT A
GND
IN A
IN A
8-LEAD (3mm × 3mm) PLASTIC DFN
UNDERSIDE METAL CONNECTED TO V
IN
IN
V
T
N8 PACKAGE
8-LEAD PDIP
T
T
JMAX
V
–
+
–
–
–
(PCB CONNECTION OPTIONAL)
JMAX
JMAX
–
–
+
–
, HYST ................. (V
, HYST ................................................. 20mA
, V
1
2
3
4
= 125°C, θ
1
2
3
4
= 150°C, θ
= 150°C, θ
+
DD PACKAGE
to GND, GND to V
TOP VIEW
TOP VIEW
W
MAXIMUM
JA
8-LEAD PLASTIC SO
JA
JA
= 160°C/ W (DD)
= 130°C/ W (N8)
= 175°C/ W (S8)
S8 PACKAGE
MARKING*
DD8 PART
8
7
6
5
8
7
6
5
LBTH
W W
OUT B
V
IN B
IN B
OUT
V
REF
HYST
+
+
INFORMATION
+
+
–
–
U
+ 0.3V) to (GND – 0.3V)
+
+
+
+ 0.3V) to (V
+ 0.3V) to (V
–
+ 0.3V) to (V
...........12V to – 0.3V
RATINGS
W
ORDER PART
ORDER PART
LTC1441CN8
LTC1441CS8
LTC1441IN8
LTC1441IS8
LTC1440CN8
LTC1440CS8
LTC1440IN8
LTC1440IS8
MARKING
U
NUMBER
NUMBER
S8 PART
1441
1441I
GND
IN
IN
N8 PACKAGE
8-LEAD PDIP
–
–
–
V
T
T
–
+
–
JMAX
JMAX
– 0.3V)
– 0.3V)
– 0.3V)
1
2
3
4
= 150°C, θ
= 150°C, θ
U
TOP VIEW
8-LEAD PLASTIC SO
JA
JA
= 130°C/ W (N8)
= 175°C/ W (S8)
S8 PACKAGE
OUT Short-Circuit Duration (V
Power Dissipation .............................................. 500mW
Operating Temperature Range
Storage Temperature Range ................. – 65°C to 150°C
Storage Temperature Range
Junction Temperature ........................................... 150°C
Junction Temperature (DD Package) .................... 125°C
Lead Temperature (Soldering, 10 sec).................. 300°C
MARKING
LTC144XC ............................................... 0°C to 70°C
LTC144XI ........................................... – 40°C to 85°C
(DD Package) ................................... – 65°C to 125°C
S8 PART
8
7
6
5
1440
1440
1440I
1440I
OUT A
OUT
V
REF
HYST
IN A
IN B
+
N8 PACKAGE
8-LEAD PDIP
http://www.linear.com/leadfree/
V
T
T
–
+
–
JMAX
JMAX
1
2
3
4
= 150°C, θ
= 150°C, θ
TOP VIEW
8-LEAD PLASTIC SO
JA
JA
LTC1440CMS8
LTC1440IMS8
= 130°C/ W (N8)
= 175°C/ W (S8)
S8 PACKAGE
ORDER PART
NUMBER
8
7
6
5
GND
OUT B
V
REF
HYST
IN
IN
V
+
T
–
+
–
JMAX
8-LEAD PLASTIC MSOP
1
2
3
4
+
= 150°C, θ
MS8 PACKAGE
≤ 5.5V) .......Continuous
TOP VIEW
JA
= 250°C/ W
ORDER PART
LTC1442CN8
LTC1442CS8
LTC1442IN8
LTC1442IS8
MARKING*
MS8 PART
MARKING
NUMBER
8
7
6
5
S8 PART
OUT
V
REF
HYST
1442
1442I
LTBX
+
144012fc