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LT1613 Datasheet

LT1613 Datasheet

1.4MHz, Single Cell DC/DC Converter in 5-Lead SOT-23
Part No.: LT1613
Page: 12 Pages
Size: 276 KB
Manufacturer: Linear Technology
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Views: 3
Update Time: 2023-11-24 15:42:52
DataSheet: Download

LT1613 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT1613CS5#PBF Tube   LTED 1 12 0°C ~ 70°C 5-Lead TSOT-23  
LT1613CS5#TRPBF Reel 2500 LTED 1 12 0°C ~ 70°C 5-Lead TSOT-23  
LT1613CS5#TRMPBF Reel 500 LTED 1 12 0°C ~ 70°C 5-Lead TSOT-23  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT1613 Datasheet(PDF)

LT1613 Datasheet(Picture)

LT1613 Features

  • Uses Tiny Capacitors and Inductor
  • Internally Compensated
  • Fixed Frequency 1.4MHz Operation
  • Operates with VIN as Low as 1.1V
  • 3V at 30mA from a Single Cell
  • 5V at 200mA from 3.3V Input
  • 15V at 60mA from Four Alkaline Cells
  • High Output Voltage: Up to 34V
  • Low Shutdown Current: <1µA
  • Low VCESAT Switch: 300mV at 300mA
  • 5-Lead SOT-23 Package

LT1613 Applications

  • Digital Cameras
  • Pagers
  • Cordless Phones
  • Battery Backup
  • LCD Bias
  • Medical Diagnostic Equipment
  • Local 5V or 12V Supply
  • External Modems
  • PC Cards

LT1613 Description

The LT1613 is the industry’s first 5-lead SOT-23 current mode DC/DC converter. Intended for small, low power applications, it operates from an input voltage as low as 1.1V and switches at 1.4MHz, allowing the use of tiny, low cost capacitors and inductors 2mm or less in height. Its small size and high switching frequency enables the complete DC/DC converter function to take up less than 0.2 square inches of PC board area. Multiple output power supplies can now use a separate regulator for each output voltage, replacing cumbersome quasi-regulated approaches using a single regulator and a custom transformer.

A constant frequency, internally compensated current mode PWM architecture results in low, predictable output noise that is easy to filter. The high voltage switch on the LT1613 is rated at 36V, making the device ideal for boost converters up to 34V as well as for Single-Ended Primary Inductance Converter (SEPIC) and flyback designs. The device can generate 5V at up to 200mA from a 3.3V supply or 5V at 175mA from four alkaline cells in a SEPIC design.

The LT1613 is available in the 5-lead SOT-23 package.

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