2

LT1121/LT1121-3.3/LT1121-5

1121fe

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

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

PACKAGE/ORDER I FOR ATIO

3

2

1

FRONT VIEW

TAB IS

GND

OUTPUT

GND

ST PACKAGE

3-LEAD PLASTIC SOT-223

ORDER PART NUMBER

ORDER PART

NUMBER

LT1121CZ-3.3

LT121IZ-3.3

LT1121CZ-5

LT1121IZ-5

LT1121CN8

LT1121CN8-3.3

LT1121CN8-5

LT1121IN8

LT1121IN8-3.3

LT1121IN8-5

LT1121CS8

LT1121CS8-3.3

LT1121CS8-5

LT1121HVCS8

LT1121IS8

1121

11213

11215

1121HV

1121I

121I3

121I5

121HVI

1121A

121A3

121A5

121AHV

121AI

121AI3

121AI5

21AHVI

LT1121CST-3.3

LT1121IST-3.3

LT1121CST-5

LT1121IST-5

S8 PART

MARKING

ORDER PART

NUMBER

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

SECTION.

*

**

ABSOLUTE

AXI U

LT1121IS8-3.3

LT1121IS8-5

LT1121HVIS8

LT1121ACS8

LT1121ACS8-3.3

LT1121ACS8-5

LT1121AHVCS8

LT1121AIS8

LT1121AIS8-3.3

LT1121AIS8-5

LT1121AHVIS8

BOTTOM VIEW

IN

GND

OUT

Z PACKAGE

3-LEAD PLASTIC TO-92

Consult LTC Marketing for parts specified with wider operating temperature ranges.

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/

ST PART

MARKING

11213

121IS3

11215

1121I5