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LT1521CMS8-3 The LT1521CMS8-3 is a low dropout regulator from LT, capable of supplying 300mA of output current with a dropout voltage of 0.5V. It is designed for battery-powered systems with low quiescent current.
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LT1521CMS8-3

Available from 1 distributors
Mfr Name: LT
LT
The LT1521CMS8-3 is a low dropout regulator from LT, capable of supplying 300mA of output current with a dropout voltage of 0.5V. It is designed for battery-powered systems with low quiescent current.
✓ Total Stock: 42,190 pcs

LT1521CMS8-3 Available from 1 distributor

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Optech Co.,Limited ✓
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42,190 pcs
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LT1521CMS8-3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LT1521CMS8-3 Description

Short technical summary and product information.

The LT1521CMS8-3 is a low dropout linear regulator from LT, designed for battery-powered applications requiring micropower quiescent current and shutdown capabilities. It can supply up to 300mA of output current with a low dropout voltage of 0.5V.

 

Key electrical specifications include a typical quiescent current of 12mA during operation and 6mA in shutdown mode. The device is stable with small output capacitors as low as 1.5µF, enhancing manufacturability. It also features reverse battery protection and no reverse current flow, making it suitable for backup power situations.

 

The LT1521CMS8-3 offers fixed output voltages of 3V, 3.3V, and 5V, as well as an adjustable output version ranging from 3.8V to 20V. The regulator is protected by thermal limiting.

 

This component is available in a SOT-223-3 surface mount package.

LT1521CMS8-3 Quick Information

Product Type: Low Dropout Regulator
Canonical Name: LT1521CMS8-3 Low Dropout Regulator
Subcategory: Low Dropout (LDO) Regulator

LT1521CMS8-3 Compliance

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

LT1521CMS8-3 Features

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

LT1521CMS8-3 Applications

  • Power supply for low voltage logic circuits.
  • Battery-powered equipment requiring low dropout.
  • Post-regulation for switching power supplies.
  • Adjustable voltage reference or regulator.

LT1521CMS8-3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum output current for the LT1521CMS8-3?

The LT1521CMS8-3 can supply up to 300mA of output current.

What is the dropout voltage of the LT1521CMS8-3?

The dropout voltage for the LT1521CMS8-3 is 0.5V.

What are the quiescent current values for the LT1521CMS8-3?

The quiescent current is 12mA during operation and 6mA in shutdown.

What output voltages are available for the LT1521 series?

The LT1521 series offers fixed output voltages of 3V, 3.3V, and 5V, and an adjustable output from 3.8V to 20V.

What is the minimum output capacitance required for stability?

The LT1521CMS8-3 is stable with only 1.5µF on the output.

What package type is the LT1521CMS8-3 supplied in?

The LT1521CMS8-3 is supplied in a SOT-223-3 package.

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