LT1521/LT1521-3
LT1521-3.3/LT1521-5
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
PACKAGE/ORDER INFORMATION
TOP VIEW
TOP VIEW
OUT
SENSE/ADJ*
NC
GND
1
2
3
4
8
7
6
5
IN
NC
NC
SHDN
OUT 1
SENSE/ADJ* 2
GND 3
NC 4
MS8 PACKAGE
8-LEAD PLASTIC MSOP
*PIN 2 = SENSE FOR LT1521-3/
LT1521-3.3/LT1521-5
PIN 2 = ADJ FOR LT1521
T
JMAX
= 125°C,
θ
JA
= 125°C/ W
*PIN 2 = SENSE FOR LT1521-3/LT1521-3.3/LT1521-5
= ADJ FOR LT1521
T
JMAX
= 125°C,
θ
JA
= 70°C/ W
SEE THE APPLICATIONS INFORMATION SECTION
ORDER PART NUMBER
LT1521CMS8
LT1521CMS8-3
LT1521CMS8-3.3
LT1521CMS8-5
ORDER PART NUMBER
LT1521CS8
LT1521CS8-3
LT1521CS8-3.3
LT1521CS8-5
LT1521IS8
LT1521IS8-3
LT1521IS8-3.3
LT1521IS8-5
S8 PART MARKING
1521
15213
152133
15215
1521I
1521I3
1521I33
1521I5
MS8 PART MARKING
LTEZ
LTFB
LTDU
LTFA
Consult factory for Military grade parts.
2
U
U
W
W W
U
W
(Note 1)
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.
FRONT VIEW
8
7
6
5
IN
GND
GND
SHDN
1
TAB IS
GND
2
3
OUT
GND
IN
S8 PACKAGE
8-LEAD PLASTIC SO
ST PACKAGE
3-LEAD PLASTIC SOT-223
T
JMAX
= 125
°C, θ
JA
= 50°C/ W
SEE THE APPLICATIONS INFORMATION SECTION
ORDER PART NUMBER
LT1521CST-3
LT1521CST-3.3
LT1521CST-5
LT1521IST-3
LT1521IST-3.3
LT1521IST-5
ST PART MARKING
15213
152133
15215
1521I3
1521I33
1521I5
LINER [ LINEAR TECHNOLOGY ]
