Part LT1109
Description Micropower Low Cost DC/DC Converter Adjustable and Fixed 5V/ 12V
Manufacturer Linear Technology
Size 212.75 KB
Pricing from 9.6 USD, available from Newark and Analog Devices.
Linear Technology

LT1109 Overview

Key Specifications

Mount Type: Surface Mount
Pins: 8
Max Voltage (typical range): 9 V
Min Voltage (typical range): 2 V

Key Features

  • The LT1109-5 can deliver 5V at 100mA from a 3V input and the LT1109-12 can deliver 12V at 60mA from a 5V input
  • The 8-pin versions also feature a logic controlled SHUTDOWN pin that turns off the oscillator when taken low
  • The gated-oscillator design requires no frequency compensation components
  • The high frequency 120kHz oscillator permits the use of small surface mount inductors and capacitors
  • For a 5V to 12V at 120mA converter, see the LT1109A

Price & Availability

Seller Inventory Price Breaks Buy
Newark 42 1+ : 9.6 USD
10+ : 7.47 USD
25+ : 6.94 USD
50+ : 6.64 USD
View Offer
Analog Devices 90 1+ : 9.77 USD
10+ : 6.621 USD
25+ : 5.8012 USD
100+ : 4.8743 USD
View Offer