LT1521CS8#PBF - 

LDO Voltage Regulator, Adjustable, 4.3V to 20V in, 500mV drop, 3.8V to 20V/0.3A out, SOIC-8

LT1521CS8#PBF - LDO Voltage Regulator, Adjustable, 4.3V to 20V in, 500mV drop, 3.8V to 20V/0.3A out, SOIC-8

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
Order Code:
Technical Datasheet:
See all Technical Docs

Product Overview

The LT1521CS8#PBF is a low-dropout Regulator with micro-power quiescent current and shutdown. This device is capable of supplying 300mA of output current with a dropout voltage of 0.5V. Designed for use in battery-powered systems, the low quiescent current, 12µA operating and 6µA in shutdown, make it an ideal choice. The quiescent current is well controlled and it does not rise in dropout as it does with many other low-dropout PNP regulators. Other features of the LT1521 include the ability to operate with very small output capacitors. It is stable with only 1.5µF on the output while older device requires between 10 and 100µF for stability. Small ceramic capacitors can be used, enhancing manufacturability. Also, the input may be connected to voltages lower than the output voltage, including negative voltages, without reverse current flow from output to input. This makes the LT1521 series ideal for backup power situations where the output is held high and the input is low or reversed.
  • No protection diodes needed
  • Controlled quiescent current in dropout
  • Reverse battery protection
  • No reverse current
  • Thermal limiting


Power Management, Industrial

Product Information

MSL 1 - Unlimited
Find similar products Choose and modify the attributes above to find similar products.

Associated Products

Compare Selected

Related Searches


243 In stock

15 in stock for next day delivery (Liege stock)

228 in stock for next day delivery (UK stock)

see cut-off times
Check stock and lead times
More stock available week commencing 15/10/18
£3.53 £ 3.53
Price for:
Multiple: 1 Minimum: 1
Quantity Price
1 + £3.53
25 + £2.09
100 + £2.04
No longer stocked:: No Longer Manufactured::
Add to Basket
Total Price:
Total Price: ( )
Total Price: --

Customer Reviews


Like to see information about this product from other customers?

 Read discussions, blogs, documents from our community members.


Select document type(s) you want to see and click “Apply Filters” button
Post a question to one of our experts or start a discussion and get responses from supplier experts and fellow engineers in our community.