LT1521/LT1521-3

LT1521-3.3/LT1521-5

2

Rev. C

For more information www.analog.com

ABSOLUTE MAXIMUM RATINGS

Input Voltage.........................................................±20V*

Output Pin Reverse Current ...................................10mA

Adjust Pin Current..................................................10mA

Shutdown Pin Input Voltage (Note 1) ...........6.5V, –0.6V

Shutdown Pin Input Current (Note 1) ......................5mA

Output Short-Circuit Duration .......................... Indefinite

(Note 1)

PIN CONFIGURATION

1

2

3

4

OUT

SENSE/ADJ*

NC

GND

8

7

6

5

IN

NC

NC

SHDN

TOP VIEW

MS8 PACKAGE

8-LEAD PLASTIC MSOP

TJMAX = 125°C, θJA = 125°C/W

*PIN 2 = SENSE FOR LT1521-3/

LT1521-3.3/LT1521-5

PIN 2 = ADJ FOR LT1521

1

2

3

4

8

7

6

5

TOP VIEW

IN

GND

GND

SHDN

OUT

SENSE/ADJ*

GND

NC

S8 PACKAGE

8-LEAD PLASTIC SO

*PIN 2 = SENSE FOR LT1521-3/LT1521-3.3/LT1521-5

= ADJ FOR LT1521

TJMAX = 125°C, θJA = 70°C/W

SEE THE APPLICATIONS INFORMATION SECTION

3

2

1

FRONT VIEW

TAB IS

GND

OUT

GND

IN

ST PACKAGE

3-LEAD PLASTIC SOT-223

TJMAX = 125°C, θJA = 50°C/W

SEE THE APPLICATIONS INFORMATION SECTION

Storage Temperature Range................... –65°C to 150°C

Operating Junction Temperature Range (Note 2)

Commercial............................................ 0°C to 125°C

Industrial ......................................... –40°C to 125°C

Lead Temperature (Soldering, 10 sec) .................. 300°C

*For applications requiring input voltage ratings greater than 20V, contact

the factory.

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT1521CMS8#PBF

LT1521CMS8#TRPBF

LTEZ

8-Lead Plastic MSOP

0°C to 125°C

LT1521CMS8-3#PBF

LT1521CMS8-3#TRPBF

LTFB

8-Lead Plastic MSOP

0°C to 125°C

LT1521CMS8-3.3#PBF

LT1521CMS8-3.3#TRPBF LTDU

8-Lead Plastic MSOP

0°C to 125°C

LT1521CMS8-5#PBF

LT1521CMS8-5#TRPBF

LTFA

8-Lead Plastic MSOP

0°C to 125°C

LT1521CS8#PBF

LT1521CS8#TRPBF

1521

8-Lead Plastic SOIC

0°C to 125°C

LT1521CS8-3#PBF

LT1521CS8-3#TRPBF

15213

8-Lead Plastic SOIC

0°C to 125°C

LT1521CS8-3.3#PBF

LT1521CS8-3.3#TRPBF

152133

8-Lead Plastic SOIC

0°C to 125°C

LT1521CS8-5#PBF

LT1521CS8-5#TRPBF

15215

8-Lead Plastic SOIC

0°C to 125°C

LT1521IS8#PBF

LT1521IS8#TRPBF

1521I

8-Lead Plastic SOIC

–40°C to 125°C

LT1521IS8-3#PBF

LT1521IS8-3#TRPBF

1521I3

8-Lead Plastic SOIC

–40°C to 125°C

LT1521IS8-3.3#PBF

LT1521IS8-3.3#TRPBF

1521I33

8-Lead Plastic SOIC

–40°C to 125°C

LT1521IS8-5#PBF

LT1521IS8-5#TRPBF

1521I5

8-Lead Plastic SOIC

–40°C to 125°C