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REG1117 Texas Instruments REG1117 is an adjustable positive LDO voltage regulator with 800mA maximum output current. It features an output voltage range of 1.25V to 13.8V and comes in a surface-mount SOT-223 package.
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REG1117

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
Texas Instruments REG1117 is an adjustable positive LDO voltage regulator with 800mA maximum output current. It features an output voltage range of 1.25V to 13.8V and comes in a surface-mount SOT-223 package.
✓ Total Stock: 452,000 pcs
$ Price Range: $1.51

REG1117 Available from 1 distributor

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✓ Non-Authorised
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452,000 pcs
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REG1117 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Current
Mounting Type
Noise
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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REG1117 Description

Short technical summary and product information.

The Texas Instruments REG1117 is a positive adjustable linear voltage regulator designed for applications requiring up to 800mA of output current. It accepts an input voltage from 3.7V to 15V and provides a regulated output adjustable from 1.25V to 13.8V using external resistors. The device features a typical dropout voltage of 1100mV and a maximum dropout of 1.2V at 800mA load.

 

This regulator offers a typical output accuracy of 2% and includes built-in protection features such as over-current and over-temperature limiting. It operates over a junction temperature range of -40°C to 125°C, making it suitable for industrial environments. The typical quiescent current is 4mA, and the device achieves a PSRR of 29dB at 100kHz with a noise level of 38µVrms.

 

The REG1117 is available in a surface-mount SOT-223 package (also described as TO-261-4 or TO-261AA). A minimum load capacitance of 10µF is required for stability. This regulator is suitable for post-regulation, battery-powered equipment, and general-purpose voltage regulation tasks.

REG1117 Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: Texas Instruments REG1117 Adjustable Positive LDO Voltage Regulator
Subcategory: Positive Adjustable Output

REG1117 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

REG1117 Estimated Pricing

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1+ $1.51 $1.51

Estimated market price range - modelled values for guidance only, not live distributor offers.

REG1117 Features

  • Adjustable output voltage from 1.25V to 13.8V.
  • Maximum output current of 800mA.
  • Low dropout voltage of 1.1V typical.
  • Built-in over-current and over-temperature protection.
  • Surface-mount SOT-223 package.

REG1117 Applications

  • Suitable for SCSI-2 active termination.
  • Used in hand-held data collection devices.
  • Ideal for battery powered instrumentation.
  • Supplies core voltage for FPGAs and DSPs.
  • Enables high efficiency linear regulators.

REG1117 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage range of the REG1117?

The REG1117 provides an adjustable output voltage from 1.25V to 13.8V.

What is the maximum output current of the REG1117?

The REG1117 has a maximum output current of 800mA.

What is the input voltage range for the REG1117?

The REG1117 operates with an input voltage from 3.7V to 15V.

What is the operating temperature range of the REG1117?

The REG1117 operates over a temperature range of -40°C to 125°C.

What package is the REG1117 available in?

The REG1117 is available in a surface-mount SOT-223 package.

What protection features does the REG1117 include?

The REG1117 includes over-current and over-temperature protection.

What is the typical dropout voltage of the REG1117?

The typical dropout voltage of the REG1117 is 1100mV.

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