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LT1111CN8#PBF

DC-DC Switching Boost, Inverting Regulator, Adjustable, 2V-30Vin, 1.25V-7.2Vout, 400mAout, DIP-8

LINEAR TECHNOLOGY LT1111CN8#PBF

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Manufacturer Part No:
LT1111CN8#PBF
Order Code:
9559973
Technical Datasheet:
LT1111CN8#PBF   Datasheet
See all Technical Docs

Product Overview

The LT1111CN8#PBF is a versatile micropower DC-to-DC Converter for use with uninterruptible supplies. The device requires only three external components to deliver a fixed output of 5 or 12V. Supply voltage ranges from 2 to 12V in step-up mode and to 30V in step-down mode. The LT1111 functions equally well in step-up, step-down or inverting applications. The LT1111 oscillator is set at 72kHz, optimizing the device to work with OFF-the-shelf surface mount inductors. The device can deliver 5V at 100mA from a 3V input in step-up mode or 5V at 200mA from a 12V input in step-down mode. Switch current limit can be programmed with a single resistor. An auxiliary open-collector gain block can be configured as a low-battery detector, linear post regulator, undervoltage lock-out circuit or error amplifier.
  • Works with surface mount inductors
  • Only three external components required
  • Step-up or step-down mode
  • Low-battery detector comparator on-chip
  • User adjustable current limit
  • Fixed or adjustable output voltage versions
  • Internal 1A power switch
  • 72kHz Oscillator

Applications

Power Management, Security, Computers & Computer Peripherals, Consumer Electronics, Portable Devices

Product Information

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:
Boost, Buck, Inverting

:
2V

:
30V

:
1Outputs

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DIP

:
8Pins

:
400mA

:
1.25V

:
7.2V

:
95kHz

:
70°C

:
-

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-

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-
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Technical Docs (2)

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Php379.70

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