Datasheet

LTC15 4 0
2
1540fb
For more information www.linear.com/LTC1540
ABSOLUTE MAXIMUM RATINGS
TOP VIEW
DD PACKAGE
8-LEAD (3mm
×
3mm) PLASTIC DFN
5
6
7
8
9
V
–
4
3
2
1
GND
V
–
IN
+
IN
–
OUT
V
+
REF
HYST
T
JMAX
= 125°C, θ
JA
= 160°C/W (NOTE 2) UNDERSIDE METAL
CONNECTED TO V
–
(PCB CONNECTION OPTIONAL)
1
2
3
4
8
7
6
5
TOP VIEW
OUT
V
+
REF
HYST
GND
V
–
IN
+
IN
–
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C, θ
JA
= 175°C/W
1
2
3
4
GND
V
–
IN
+
IN
–
8
7
6
5
OUT
V
+
REF
HYST
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 150°C, θ
JA
= 250°C/W
PIN CONFIGURATION
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 ............................... (V
+
+ 0.3V) to (GND–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
LTC1540C ............................................... 0°C to 70°C
LTC1540I .............................................–40°C to 85°C
Storage Temperature Range ................ –65°C to 150°C
(DD Package) ..................................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec) ................... 300°C
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL *PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC1540CDD#PBF LTC1540CDD#TRPBF LAAS 8-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C
LTC1540IDD#PBF LTC1540IDD#TRPBF LAAS 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C
LTC1540CS8#PBF LTC1540CS8#TRPBF 1540 8-Lead Plastic SO 0°C to 70°C
LTC1540IS8#PBF LTC1540IS8#TRPBF 1540I 8-Lead Plastic SO –40°C to 85°C
LTC1540CMS8#PBF LTC1540CMS8#TRPBF LTCE 8-Lead Plastic MSOP 0°C to 70°C
LTC1540IMS8#PBF LTC1540IMS8#TRPBF LTADV 8-Lead Plastic MSOP –40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/. Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
http://www.linear.com/product/LTC1540#orderinfo
(Note 1)
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