LT1129IST-5 The LT1129IST-5 is a micropower low dropout regulator from LT, capable of supplying 700mA output current with a low dropout voltage of 400mV. It features a fixed 5V output and a shutdown mode.
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LT1129IST-5

Available from 1 distributors
Mfr Name: LT
LT
The LT1129IST-5 is a micropower low dropout regulator from LT, capable of supplying 700mA output current with a low dropout voltage of 400mV. It features a fixed 5V output and a shutdown mode.
✓ Total Stock: 94 pcs
$ Price Range: $2.23

LT1129IST-5 Available from 1 distributor

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✓ Non-Authorised
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94 pcs
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LT1129IST-5 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LT1129IST-5 Description

Short technical summary and product information.

The LT1129IST-5 is a micropower low dropout regulator designed for battery-powered systems by LT. It provides 700mA of output current with a typical dropout voltage of 450mV, and a maximum of 400mV. The device operates with a low quiescent current of 50µA and consumes only 16µA in shutdown mode.

 

This regulator offers a fixed 5V output voltage and is also available in adjustable versions ranging from 3.8V to 30V. It is designed to be stable with a 3.3µF output capacitor and includes reverse battery protection and no reverse output current. The operating temperature range is from -40°C to 125°C.

 

The LT1129IST-5 is supplied in a 3-lead SOT-223 package, suitable for surface mounting. Its low quiescent current and shutdown capability make it an ideal choice for power management in portable electronic devices and other space-constrained applications.

LT1129IST-5 Quick Information

Product Type: Linear Voltage Regulator
Series: LT1129
Canonical Name: LT1129IST-5 Micropower Low Dropout Regulator
Subcategory: Linear Voltage Regulators

LT1129IST-5 Compliance

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

LT1129IST-5 Estimated Pricing

Qty Low High
1+ $2.23 $2.23

Estimated market price range - modelled values for guidance only, not live distributor offers.

LT1129IST-5 Features

  • Micropower low dropout regulator
  • 700mA output current capability
  • 400mV maximum dropout voltage
  • Fixed 5V output voltage
  • Low quiescent current in operation and shutdown

LT1129IST-5 Applications

  • Ideal for battery-powered systems
  • Suitable for portable electronic devices
  • Used in power management circuits
  • Applications requiring low quiescent current

LT1129IST-5 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LT1129IST-5?

The LT1129IST-5 has a fixed output voltage of 5V.

What is the maximum output current for the LT1129IST-5?

The LT1129IST-5 can supply a typical output current of 700mA.

What is the dropout voltage of the LT1129IST-5?

The dropout voltage for the LT1129IST-5 is typically 450mV and a maximum of 400mV.

What is the quiescent current of the LT1129IST-5?

The quiescent current is typically 50µA during operation and 16µA in shutdown mode.

What is the operating temperature range for the LT1129IST-5?

The operating temperature range is -40°C to 125°C.

What package is the LT1129IST-5 supplied in?

The LT1129IST-5 is supplied in a 3-lead SOT-223 package.

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