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LT1317 Datasheet

LT1317 Datasheet

Micropower, 600kHz PWM DC/DC Converters
Part No.: LT1317
Page: 16 Pages
Size: 385 KB
Manufacturer: Linear Technology
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Views: 2
Update Time: 2023-12-18 15:28:44
DataSheet: Download

LT1317 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT1317CS8#PBF Tube 100 1317 1 8 0°C ~ 70°C 8-Lead SOIC  
LT1317CS8#TRPBF Reel 2500 1317 1 8 0°C ~ 70°C 8-Lead SOIC  
LT1317CS8#TRMPBF Reel 500 1317 1 8 0°C ~ 70°C 8-Lead SOIC  
LT1317IS8#PBF Tube 100 1317I 1 8 -40°C ~ 125°C 8-Lead SOIC  
LT1317IS8#TRPBF Reel 2500 1317I 1 8 -40°C ~ 125°C 8-Lead SOIC  
LT1317IS8#TRMPBF Reel 500 1317I 1 8 -40°C ~ 125°C 8-Lead SOIC  
LT1317CMS8#PBF Tube 50 LTHA 1 8 0°C ~ 70°C 8-Lead MSOP  
LT1317CMS8#TRPBF Reel 2500 LTHA 1 8 0°C ~ 70°C 8-Lead MSOP  
LT1317CMS8#TRMPBF Reel 500 LTHA 1 8 0°C ~ 70°C 8-Lead MSOP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT1317 Datasheet(PDF)

LT1317 Datasheet(Picture)

LT1317 Features

  • 100µA Quiescent Current
  • Operates with VIN as Low as 1.5V
  • 600kHz Fixed Frequency Operation
  • Starts into Full Load
  • Low-Battery Detector Active in Shutdown
  • Automatic Burst Mode Operation at Light Load (LT1317)
  • Low VCESAT Switch: 300mV at 500mA
  • Pin for Pin Compatible with the LT1307

LT1317 Applications

  • Cellular Telephones
  • Cordless Telephones
  • Pagers
  • GPS Receivers
  • Battery Backup
  • Portable Electronic Equipment
  • Glucose Meters
  • Diagnostic Medical Instrumentation

LT1317 Description

The LT1317 are micropower, fixed frequency step-up DC/DC converters that operate over a wide input voltage range of 1.5V to 12V. The LT1317 features automatic shifting to power saving Burst Mode operation at light loads. High efficiency is maintained over a broad 300µA to 200mA load range. Peak switch current during Burst Mode operation is kept below 250mA for most operating conditions which results in low output ripple voltage, even at high input voltages.

The LT1317 contain an internal low-battery detector with a 200mV reference that stays alive when the device goes into shutdown.

No-load quiescent current of the LT1317 is 100µA and shuts down to 30µA. The internal NPN power switch handles a 500mA current with a voltage drop of just 300mV.

The LT1317 are available in MS8 and SO-8 packages.

LT1317 Datasheet Related Parts

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