LTC1440 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1440 Datasheet PDF : 16 Pages
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LTC1440/LTC1441/LTC1442
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Voltage
V + to V –, V + to GND, GND to V – ...........12V to – 0.3V
IN +, IN –, HYST ................. (V + + 0.3V) to (V – – 0.3V)
REF ................................... (V + + 0.3V) to (V – – 0.3V)
OUT (LTC1440) .............. (V + + 0.3V) to (GND – 0.3V)
OUT (LTC1441/LTC1442) ... (V + + 0.3V) to (V – – 0.3V)
Current
IN +, IN –, HYST ................................................. 20mA
REF ................................................................... 20mA
OUT .................................................................. 50mA
OUT Short-Circuit Duration (V + ≤ 5.5V) .......Continuous
Power Dissipation .............................................. 500mW
Operating Temperature Range
LTC144XC ............................................... 0°C to 70°C
LTC144XI ........................................... – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Storage Temperature Range
(DD Package) ................................... – 65°C to 125°C
Junction Temperature ........................................... 150°C
Junction Temperature (DD Package) .................... 125°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
GND 1
V– 2
IN+ 3
IN– 4
8 OUT
7 V+
6 REF
5 HYST
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 160°C/ W (DD)
UNDERSIDE METAL CONNECTED TO V–
(PCB CONNECTION OPTIONAL)
ORDER PART
NUMBER
DD8 PART
MARKING*
LTC1440CDD
LTC1440IDD
LBTH
TOP VIEW
OUT A 1
V– 2
IN A+ 3
IN A– 4
8 OUT B
7 V+
6 IN B+
5 IN B–
N8 PACKAGE
S8 PACKAGE
8-LEAD PDIP 8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 130°C/ W (N8)
TJMAX = 150°C, θJA = 175°C/ W (S8)
TOP VIEW
GND 1
V– 2
IN+ 3
IN– 4
8 OUT
7 V+
6 REF
5 HYST
N8 PACKAGE
S8 PACKAGE
8-LEAD PDIP 8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 130°C/ W (N8)
TJMAX = 150°C, θJA = 175°C/ W (S8)
TOP VIEW
GND 1
V– 2
IN+ 3
IN– 4
8 OUT
7 V+
6 REF
5 HYST
MS8 PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 150°C, θJA = 250°C/ W
ORDER PART
NUMBER
LTC1440CN8
LTC1440CS8
LTC1440IN8
LTC1440IS8
ORDER PART
NUMBER
LTC1441CN8
LTC1441CS8
LTC1441IN8
LTC1441IS8
S8 PART
MARKING
1441
1441I
S8 PART
MARKING
1440
1440
1440I
1440I
ORDER PART
NUMBER
LTC1440CMS8
LTC1440IMS8
TOP VIEW
OUT A 1
V– 2
IN A+ 3
IN B– 4
8 OUT B
7 V+
6 REF
5 HYST
N8 PACKAGE
S8 PACKAGE
8-LEAD PDIP 8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 130°C/ W (N8)
TJMAX = 150°C, θJA = 175°C/ W (S8)
MS8 PART
MARKING*
LTBX
ORDER PART
NUMBER
LTC1442CN8
LTC1442CS8
LTC1442IN8
LTC1442IS8
S8 PART
MARKING
1442
1442I
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
* The temperature grade is identified by a label on the shipping container.
144012fc
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