LT1302 - Micropower High Output Current Step-Up Adjustable and Fixed 5V DC/DC Converters

Features

  • 5V at 600mA or 12V at 120mA from 2-Cell Supply
  • 200µA Quiescent Current
  • Logic Controlled Shutdown to 15µA
  • Low VCESAT Switch: 310mV at 2A Typical
  • Burst ModeTM Operation at Light Load
  • Current Mode Operation for Excellent Line and Load Transient Response
  • Available in 8-Lead SO or PDIP
  • Operates with Supply Voltage as Low as 2V

Typical Application

LT1302 Typical Application
LT1302 Typical Application

Description

The LT1302/LT1302-5 are micropower step-up DC/DC converters that maintain high efficiency over a wide range of output current. They operate from a supply voltage as low as 2V and feature automatic shifting between Burst Mode operation at light load, and current mode operation at heavy load. The internal low loss NPN power switch can handle current in excess of 2A and switch at frequencies up to 400kHz. Quiescent current is just 200µA and can be further reduced to 15µA in shutdown. Available in 8-pin PDIPor 8-pin SO packaging, the LT1302/ LT1302-5 have the highest switch current rating of any similarly packaged switching regulators presently on the market.

Packaging

CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints.

For complete and up to date package information and drawings, please refer to our packaging page

Part Number Package Code Temp Package
Drawing
RoHS
LT1302CN8-5#PBF N-8 N C 05-08-1510 (N8) Yes
LT1302CN8#PBF N-8 N C 05-08-1510 (N8) Yes
LT1302CS8-5#PBF SO-8 S8 C 05-08-1610 (S8) Yes
LT1302CS8-5#TRPBF SO-8 S8 C 05-08-1610 (S8) Yes
LT1302CS8#PBF SO-8 S8 C 05-08-1610 (S8) Yes
LT1302CS8#TRPBF SO-8 S8 C 05-08-1610 (S8) Yes


LT1302 Package Drawing

Order Info

  • Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
  • Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
  • Please refer to our general ordering information or the product datasheet for more details

Package Variations and Pricing

Part Number Package Temp Price
(1-99)
Price
(1k)*
RoHS
LT1302CN8-5#PBF N-8 C $4.08 $3.25 Yes
LT1302CN8#PBF N-8 C $4.08 $3.25 Yes
LT1302CS8-5#PBF SO-8 C $4.25 $3.40 Yes
LT1302CS8-5#TRPBF SO-8 C $3.46 Yes
LT1302CS8#PBF SO-8 C $4.25 $3.40 Yes
LT1302CS8#TRPBF SO-8 C $3.46 Yes
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* The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Linear Technology sales office or authorized distributor.

Demo Boards

Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.

Click here to view our complete list of demo boards

Applications

  • Notebook and Palmtop Computers
  • Portable Instruments
  • Personal Digital Assistants
  • Cellular Telephones
  • Flash Memory

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Design Tools

LTspice

LTspice® software is a powerful, fast and free simulation tool, schematic capture and waveform viewer with enhancements and models for improving the simulation of switching regulators. Click here to download LTspice

To launch a ready to run LTspice demonstration circuit for this part:

To explore other ready to run LTspice demonstration circuits, please visit our Demo Circuits Collection.

Models for the following parts are available in LTspice:
LT1302
LT1302-5

Technical Support