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REG1117A-1.8/2K5 The REG1117A-1.8/2K5 is a low dropout linear voltage regulator from Texas Instruments. It provides a fixed 1.8V output and up to 1A of output current in a SOT223-4 package.
Mfr Part #:

REG1117A-1.8/2K5

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The REG1117A-1.8/2K5 is a low dropout linear voltage regulator from Texas Instruments. It provides a fixed 1.8V output and up to 1A of output current in a SOT223-4 package.
✓ Total Stock: 15,902 pcs
$ Price Range: $1.30

REG1117A-1.8/2K5 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
12,235 pcs
On Request
12235 pcs On Request 1 On Request On Request 21+ On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
3,648 pcs
On Request
3648 pcs On Request 1 On Request On Request 22+ On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
19 pcs
On Request
19 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

REG1117A-1.8/2K5 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
Output Voltage
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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REG1117A-1.8/2K5 Description

Short technical summary and product information.

The Texas Instruments REG1117A-1.8/2K5 is a low dropout (LDO) linear voltage regulator designed for a wide range of applications. It offers a fixed output voltage of 1.8V and can deliver up to 1A of output current. The device features a low dropout voltage, making it suitable for battery-powered systems where power efficiency is critical.

 

The regulator is available in a compact SOT223-4 surface-mount package, which is ideal for space-constrained designs. It includes built-in current limiting and thermal shutdown protection for enhanced reliability.

 

This part is part of the REG1117A family, which also includes adjustable output voltage versions. The fixed 1.8V version simplifies design by eliminating the need for external feedback resistors.

REG1117A-1.8/2K5 Quick Information

Product Type: Voltage Regulator - Linear
Series: REG1117A
Canonical Name: Texas Instruments REG1117A-1.8/2K5 LDO Voltage Regulator
Subcategory: Low Dropout (LDO) Regulator

REG1117A-1.8/2K5 Compliance

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

REG1117A-1.8/2K5 Estimated Pricing

Qty Low High
1+ $1.30 $1.30

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

REG1117A-1.8/2K5 Features

  • Fixed 1.8V output voltage.
  • 1A maximum output current.
  • Low dropout voltage for efficient operation.
  • Current limiting and thermal shutdown protection.
  • Available in SOT223-4 surface-mount package.

REG1117A-1.8/2K5 Applications

  • SCSI-2 active termination for SCSI buses.
  • Hand-held data collection devices power supply.
  • High efficiency linear regulation for battery systems.
  • Battery powered instrumentation voltage regulation.
  • Battery management circuits for notebooks.

REG1117A-1.8/2K5 FAQs

3 frequently asked questions generated from this part’s specifications.
What is the output voltage of the REG1117A-1.8/2K5?

Fixed 1.8V output.

What is the maximum output current?

1A maximum.

What package is the REG1117A-1.8/2K5 available in?

SOT223-4 package.

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