LT1121/LT1121-3.3/LT1121-5
2
1121fg
ABSOLUTE MAXIMUM RATINGS
Input Voltage
LT1121 .............................................................. ± 30V
LT1121HV ............................................... +36V, –30V
Output Pin Reverse Current
................................. 10mA
Adjust Pin Current
................................................ 10mA
Shutdown Pin Input Voltage (Note 2)
.......... 6.5V, – 0.6V
Shutdown Pin Input Current (Note 2)
.................. 20mA
(Note 1)
1
2
3
4
8
7
6
5
TOP VIEW
OUT
NC/ADJ*
GND
NC
IN
NC**
NC**
SHDN
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
PIN 2 = NC FOR LT1121-3.3/LT1121-5
= ADJ FOR LT1121
PINS 6 AND 7 ARE FLOATING (NO
INTERNAL CONNECTION) ON THE
STANDARD S8 PACKAGE.
PINS 6 AND 7 CONNECTED TO GROUND
ON THE A VERSION OF THE LT1121 (S8 ONLY).
CONNECTING PINS 6 AND 7 TO THE
GROUND PLANE WILL REDUCE THERMAL
RESISTANCE. SEE THERMAL RESISTANCE
TABLES IN THE APPLICATIONS INFORMATION
*
**
T
JMAX
= 150°C, θ
JA
= 120°C/W (N8, S8)
T
JMAX
= 150°C, θ
JA
= 70°C/W (AS8)
3
2
1
FRONT VIEW
TAB IS
GND
OUTPUT
GND
V
IN
ST PACKAGE
3-LEAD PLASTIC SOT-223
T
JMAX
= 150°C, θ
JA
= 50°C/W
BOTTOM VIEW
IN GND OUT
Z PACKAGE
3-LEAD PLASTIC TO-92
T
JMAX
= 150°C, θ
JA
= 150°C/W
Output Short-Circuit Duration ....................... Indefinite
Operating Junction Temperature Range (Note 3)
LT1121C-X ............................................ 0°C to 125°C
LT1121I-X ........................................ –40°C to 125°C
Storage Temperature Range
..................– 65°C to 150°C
Lead Temperature (Soldering, 10 sec)
...................300°C
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1121CN8#PBF LT1121CN8#TRPBF LT1121CN8 8-Lead Plastic PDIP 0°C to 125°C
LT1121CN8-3.3#PBF LT1121CN8-3.3#TRPBF LT1121CN8-3.3 8-Lead Plastic PDIP 0°C to 125°C
LT1121CN8-5#PBF LT1121CN8-5#TRPBF LT1121CN8-5 8-Lead Plastic PDIP 0°C to 125°C
LT1121IN8#PBF LT1121IN8#TRPBF LT1121IN8 8-Lead Plastic PDIP –40°C to 125°C
LT1121IN8-3.3#PBF LT1121IN8-3.3#TRPBF LT
1121IN8-3.3 8-Lead Plastic PDIP –40°C to 125°C
LT1121IN8-5#PBF LT1121IN8-5#TRPBF LT1121IN8-5 8-Lead Plastic PDIP –40°C to 125°C
LT1121CS8#PBF LT1121CS8#TRPBF 1121 8-Lead Plastic S0 0°C to 125°C
LT1121CS8-3.3#PBF LT1121CS8-3.3#TRPBF 11213 8-Lead Plastic S0 0°C to 125°C
LT1121CS8-5#PBF LT1121CS8-5#TRPBF 11215 8-Lead Plastic S0 0°C to 125°C
LT1121HVCS8#PBF LT1121HVCS8#TRPBF 1121HV 8-Lead Plastic S0 –40°C
to 125°C
LT1121IS8#PBF LT1121IS8#TRPBF 1121I 8-Lead Plastic S0 –40°C to 125°C
LT1121IS8-3.3#PBF LT1121IS8-3.3#TRPBF 121I3 8-Lead Plastic S0 –40°C to 125°C
LT1121IS8-5#PBF LT1121IS8-5#TRPBF 121I5 8-Lead Plastic S0 –40°C to 125°C
LT1121HVIS8#PBF LT1121HVIS8#TRPBF 121HVI 8-Lead Plastic S0 –40°C to 125°C
LT1121ACS8#PBF LT1121ACS8#TRPBF 1121A 8-Lead Plastic S0 0°C to 125°C
LT1121ACS
8-3.3#PBF LT1121ACS8-3.3#TRPBF 1121A3 8-Lead Plastic S0 0°C to 125°C
LT1121ACS8-5#PBF LT1121ACS8-5#TRPBF 1121A5 8-Lead Plastic S0 0°C to 125°C