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LT1121IST-5#PBF

Fixed LDO Voltage Regulator, 4.2V to 30V, 420mV Dropout, 5Vout, 150mAout, SOT-223-3

LINEAR TECHNOLOGY LT1121IST-5#PBF

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Manufacturer Part No:
LT1121IST-5#PBF
Order Code:
9560084
Product Range
5V 150mA LDO Voltage Regulators
Technical Datasheet:
LT1121IST-5#PBF   Datasheet
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Product Range Selector (5V 150mA LDO Voltage Regulators)

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Product Overview

The LT1121IST-5#PBF is a 5V fixed output low-dropout (LDO) Linear Regulator with shutdown. This device is capable of supplying 150mA of output current with a dropout voltage of 0.4V. The low quiescent current 30µA operating and 16µA in shutdown makes them an ideal choice. The quiescent current is well-controlled, it does not rise in dropout as it does with many other low-dropout (LDO) PNP regulators. Other features of the device include the ability to operate with very small output capacitors. Small ceramic capacitors can be used, enhancing manufacturability. Also the input may be connected to ground or a reverse voltage without reverse current flow from output to input. This makes the device ideal for backup power situations where the output is held high and the input is at ground or reversed. Under these conditions only 16µA will flow from the output pin to ground.
  • No protection diodes needed
  • Controlled quiescent current in dropout
  • Stable with 0.33µF output capacitor
  • Reverse battery protection
  • No reverse current with input low
  • Thermal limiting

Applications

Industrial, Portable Devices, Power Management

Product Information

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:
Fixed

:
4.2V

:
30V

:
5V

:
-

:
-

:
150mA

:
420mV

:
SOT-223

:
3Pins

:
-40°C

:
125°C

:
5V 150mA LDO Voltage Regulators

:
-

:
MSL 1 - Unlimited
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Technical Docs (3)

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Php338.10

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