Linear Technology LT1945 Dual Micropower DC/DC Converter Datasheet

The LT1945 is a dual micropower DC/DC converter from Linear Technology Corporation. It features a low quiescent current (20µA), high efficiency (90%+) and low standby current (<1µA). It is suitable for various portable applications.


Linear Technology LT1945 Dual Micropower DC/DC Converter Datasheet - cover page
Brand
Linear Technology
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
8
File format
PDF
File size
150 KB
Published
06 August, 2012
Updated
01 October, 2023
MD5 checksum
AF2C7454323EB5717114BB85C995A7AB

About this manual

The LT1945 is a dual micropower DC/DC converter in a 10-pin MSOP package, designed to generate well-regulated positive and negative outputs. It operates with input voltages as low as 1.2V and features a low quiescent current of 20µA in active mode and less than 1µA in shutdown mode.

What's inside

  • Features
  • Applications
  • Absolute Maximum Ratings
  • Electrical Characteristics
  • Typical Performance Characteristics
  • Pin Functions
  • Operation
  • Applications Information
  • Inductor Selection

Specifications

Quiescent Current (Active Mode)20µA
Quiescent Current (Shutdown Mode)<1µA
Minimum Input Voltage1.2V
Switch Saturation Voltage250mV at 300mA
Maximum Output Voltage+34V
Switch Current Limit350mA
Operating Temperature Range-40°C to 85°C

Frequently asked questions

What is the quiescent current of the LT1945?

The quiescent current is 20µA in active mode and reduces to less than 1µA in shutdown mode.

What is the minimum input voltage for the LT1945?

The device operates with an input voltage as low as 1.2V.

What is the package type of the LT1945?

The LT1945 is available in a 10-pin MSOP package.

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