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LT1129CST-3.3#PBF

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IC REG LDO 3.3V .7A SOT223-3

  • Package/Case :
  • TO-223
  • Product Categories :
  • Voltage Regulators - Linear
  • RoHs Status:
  • Pb-free Halide free
  • In-stock:
  • 243

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LT1129CST-3.3#PBF Product Details

The LT1129/LT1129-3.3/LT1129-5 are micropower low dropout regulators with shutdown. The devices are capable of supplying 700mA of output current with a dropout voltage of 400mV at maximum output. Designed for use in battery-powered systems, the low quiescent current, 50μA operating and 16μA in shutdown, make them an ideal choice. The quiescent current does not rise in dropout as it does with many other low dropout PNP regulators.

Other features of the LT1129/LT1129-3.3/LT1129-5 include the ability to operate with small output capacitors. They are stable with only 3.3μF on the output while most older devices require between 10μF and 100μF for stability. Also the input may be connected to ground or a reverse voltage without reverse current flow from output to input. This makes the LT1129/LT1129-3.3/LT1129-5 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. The devices are available in 5-lead TO-220, 5-lead DD-Pak and 3-lead SOT-223 packages.

Feature

  • 400mV Dropout Voltage
  • 700mA Output Current
  • 50μA Quiescent Current
  • No Protection Diodes Needed
  • Adjustable Output from 3.8V to 30V
  • 3.3V and 5V Fixed Output Voltages
  • Controlled Quiescent Current in Dropout
  • Shutdown
  • 16μA Quiescent Current in Shutdown
  • Stable with 3.3μF Output Capacitor
  • Reverse Battery Protection
  • No Reverse Output Current
  • Thermal Limiting
  • Surface Mount SOT-223 and DD-Pak Packages

Applications

  • Low Current Regulator
  • Regulator for Battery-Powered Systems
  • Post Regulator for Switching Supplies
  • 5V to 3.3V Logic Regulator

LT1129CST-3.3#PBF Pinout
(Picture: Pinout)

LT1129CST-3.3#PBF Block Diagram
(Picture: Diagram)

Technical Parameters

  • Output Configuration
  • Positive
  • Output Type
  • Fixed
  • Number of Regulators
  • 1
  • Voltage Input (Max)
  • 30V
  • Voltage Output (Min/Fixed)
  • 3.3V
  • Voltage Dropout (Max)
  • 0.7V @ 700mA
  • Current Output
  • 700mA
  • Current Quiescent (Iq)
  • 70??A
  • Current Supply (Max)
  • 90mA
  • PSRR
  • 64dB (120Hz)
  • Control Features
  • Enable
  • Protection Features
  • Over Temperature, Reverse Polarity
  • Operating Temperature
  • 0??C ~ 125??C
  • Mounting Type
  • Surface Mount
  • Package / Case
  • TO-261-4, TO-261AA
  • Supplier Device Package
  • SOT-223-3

LT1129CST-3.3#PBF Documents

  • LT1129 Technical Documentation/Data sheet

LT1129CST-3.3#PBF Related Products

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1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

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Q: How does Jotrin guarantee that LT1129CST-3.3#PBF is the original manufacturer or agent of AD?
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You can use Jotrin's intelligent search engine, or filter by LDO Linear Regulators ; Positive Linear Regulators (LDO) category, or find it through Analog Devices, Inc Information page.
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Q: What is the process for returns or replacement of LT1129CST-3.3#PBF?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LT1129CST3.3#PBF we delivered, we will accept the replacement or return of the LT1129CST-3.3#PBF only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of LT1129CST-3.3#PBF.
(3)The LT1129CST-3.3#PBF is unused and only in the original unpacked packaging.
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Analog Devices, Inc

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Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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