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LT1521IS8-3.3 The LT1521IS8-3.3 is a low dropout linear voltage regulator from LT, capable of supplying 300mA with a low 0.5V dropout voltage. It features micropower quiescent current and a shutdown mode.
Mfr Part #:

LT1521IS8-3.3

Available from 1 distributors
Mfr Name: LT
LT
The LT1521IS8-3.3 is a low dropout linear voltage regulator from LT, capable of supplying 300mA with a low 0.5V dropout voltage. It features micropower quiescent current and a shutdown mode.
✓ Total Stock: 6,345 pcs

LT1521IS8-3.3 Available from 1 distributor

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✓ Non-Authorised
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Optech Co.,Limited ✓
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6,345 pcs
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6345 pcs On Request 1 On Request On Request 17+ On Request On Request
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LT1521IS8-3.3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
Input Voltage
Lead Spacing
Lead Style
Mounting Type
Output Current
Output Voltage
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Tape & Reel
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LT1521IS8-3.3 Description

Short technical summary and product information.

The LT1521IS8-3.3 is a low dropout (LDO) linear voltage regulator designed for battery-powered applications. It can supply up to 300mA of output current with a low dropout voltage of 0.5V.

 

This regulator operates with a low quiescent current of 12mA during normal operation and reduces it to 6mA in shutdown mode, making it ideal for power-sensitive systems. The LT1521 series is designed to be stable with small output capacitors as low as 1.5µF, enhancing manufacturability with ceramic capacitors.

 

Key features include reverse battery protection and no reverse current flow, making it suitable for backup power situations. The device also incorporates thermal limiting for protection. The LT1521IS8-3.3 provides a fixed 3.3V output.

 

Packaged in an S8 surface-mount package, this component is suitable for various electronic designs requiring a reliable and efficient voltage regulation solution.

LT1521IS8-3.3 Quick Information

Product Type: Low Dropout Regulator
Series: LT1521
Canonical Name: LT1521IS8-3.3 Low Dropout Regulator
Subcategory: Low Dropout (LDO) Regulator

LT1521IS8-3.3 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

LT1521IS8-3.3 Features

  • Low dropout voltage of 0.5V
  • 300mA maximum output current
  • Micropower quiescent current
  • Stable with small output capacitors
  • Reverse battery protection

LT1521IS8-3.3 Applications

  • Suitable for low-power voltage regulation needs.
  • Used in battery-powered portable devices.
  • Ideal for applications requiring 3.3V supply.
  • Integrated into circuits needing thermal protection.
  • Designed for surface mount PCB assemblies.

LT1521IS8-3.3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the fixed output voltage of the LT1521IS8-3.3?

The LT1521IS8-3.3 provides a fixed output voltage of 3.3V.

What is the typical output current of the LT1521IS8-3.3?

The typical output current of the LT1521IS8-3.3 is 300mA.

What is the typical dropout voltage for the LT1521IS8-3.3?

The typical dropout voltage for the LT1521IS8-3.3 is 0.5V.

What is the quiescent current of the LT1521IS8-3.3 during operation?

The typical quiescent current during operation is 12mA.

What is the quiescent current of the LT1521IS8-3.3 in shutdown?

The typical quiescent current in shutdown is 6mA.

What is the maximum input voltage for the LT1521IS8-3.3?

The maximum input voltage for the LT1521IS8-3.3 is -20V.

What is the package type for the LT1521IS8-3.3?

The LT1521IS8-3.3 comes in an S8 package.

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