IC LDO REG W/SHTDWN 3.3V 8-SOIC

LT1521CS8-3.3#TRPBF

Manufacturer Part NumberLT1521CS8-3.3#TRPBF
DescriptionIC LDO REG W/SHTDWN 3.3V 8-SOIC
ManufacturerLinear Technology
LT1521CS8-3.3#TRPBF datasheet
 


Specifications of LT1521CS8-3.3#TRPBF

Regulator TopologyPositive FixedVoltage - Output3.3V
Voltage - Input4.3 ~ 20 VVoltage - Dropout (typical)0.5V @ 300mA
Number Of Regulators1Current - Output300mA
Current - Limit (min)320mAOperating Temperature0°C ~ 125°C
Mounting TypeSurface MountPackage / Case8-SOIC (3.9mm Width)
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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LT1521/LT1521-3
LT1521-3.3/LT1521-5
W
W W
ABSOLUTE
MAXIMUM
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
U
PACKAGE/ORDER
INFORMATION
TOP VIEW
OUT
1
8
IN
SENSE/ADJ*
2
7
NC
NC
3
6
NC
5
SHDN
GND
4
MS8 PACKAGE
8-LEAD PLASTIC MSOP
*PIN 2 = SENSE FOR LT1521-3/
LT1521-3.3/LT1521-5
PIN 2 = ADJ FOR LT1521
T
= 125 C,
= 125 C/ W
JMAX
JA
ORDER PART NUMBER
LT1521CMS8
LT1521CMS8-3
LT1521CMS8-3.3
LT1521CMS8-5
MS8 PART MARKING
LTEZ
LTFB
LTDU
LTFA
Consult LTC Marketing for parts specified with wider operating temperature ranges.
2
U
RATINGS
(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.
W
U
TOP VIEW
OUT
1
8
IN
SENSE/ADJ*
GND
2
7
GND
3
6
GND
NC
SHDN
4
5
S8 PACKAGE
8-LEAD PLASTIC SO
*PIN 2 = SENSE FOR LT1521-3/LT1521-3.3/LT1521-5
= ADJ FOR LT1521
T
= 125 C,
= 70 C/ W
JMAX
JA
SEE THE APPLICATIONS INFORMATION SECTION
ORDER PART NUMBER
LT1521CS8
LT1521CS8-3
LT1521CS8-3.3
LT1521CS8-5
LT1521IS8
LT1521IS8-3
LT1521IS8-3.3
LT1521IS8-5
S8 PART MARKING
1521
1521I
15213
1521I3
152133
1521I33
15215
1521I5
FRONT VIEW
3
OUT
TAB IS
2
GND
GND
1
IN
ST PACKAGE
3-LEAD PLASTIC SOT-223
T
= 125 C,
= 50 C/ W
JMAX
JA
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
1521I3
152133
1521I33
15215
1521I5
1521335fb