Datasheet
LTC1261
2
1261fb
For more information www.linear.com/LTC1261
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (Note 2) .............................................9V
Output Voltage (Note 5)
...............................0.3V to –9V
Total Voltage, V
CC
to V
OUT
(Note 2) ........................... 12V
Input Voltage
SHDN Pin .....................................–0.3V to V
CC
+ 0.3V
REG Pin ................................................. –0.3V to 12V
ADJ, R
O,
R1, R
ADJ
..............V
OUT
– 0.3V to V
CC
+ 0.3V
(Note 1)
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC1261CS8#PBF LTC1261CS8#TRPBF 1261 8-Lead Plastic S0 0°C to 70°C
LTC1261IS8#PBF LTC1261IS8#TRPBF 1261 8-Lead Plastic S0 –40°C to 85°C
LTC1261CS8-4#PBF LTC1261CS8-4#TRPBF 12614 8-Lead Plastic S0 0°C to 70°C
LTC1261CS8-4.5#PBF LTC1261CS8-4.5#TRPBF 126145 8-Lead Plastic S0 0°C to 70°C
LTC1261CS#PBF LTC1261CS#TRPBF LTC1261CS 14-Lead Plastic
S0 0°C to 70°C
Consult LT C Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LT C Marketing for information on nonstandard lead based finish parts.
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/
1
2
3
4
8
7
6
5
TOP VIEW
SHDN
REG
OUT
ADJ (COMP*)
V
CC
C1
+
C1
–
GND
S8 PACKAGE
8-LEAD PLASTIC SO
*FOR FIXED VERSIONS
T
JMAX
= 150°C, θ
JA
= 150°C/W
TOP VIEW
S PACKAGE
14-LEAD PLASTIC SO
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
C1
+
C1
–
C2
+
C2
–
GND
R0
V
CC
SHDN
REG
OUT
ADJ
R
ADJ
R1
T
JMAX
= 150°C, θ
JA
= 110°C/W
PIN CONFIGURATION
Output Short-Circuit Duration .......................... Indefinite
Commercial Temperature Range (Note 7) .... 0°C to 70°C
Industrial Temperature Range (Note 7) ... –40°C to 85°C
Storage Temperature Range
................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
.................. 300°C