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REG101NA-5/3K The Texas Instruments REG101NA-5/3K is a linear LDO regulator providing a fixed 5V output voltage and up to 100mA of current. It features a low dropout voltage and is available in a SOT-23-5 package.
Mfr Part #:

REG101NA-5/3K

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments REG101NA-5/3K is a linear LDO regulator providing a fixed 5V output voltage and up to 100mA of current. It features a low dropout voltage and is available in a SOT-23-5 package.
✓ Total Stock: 32,807 pcs
$ Price Range: $0.28

REG101NA-5/3K Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
24,107 pcs
On Request
24107 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
6,710 pcs
On Request
6710 pcs On Request 1 On Request On Request 06+ On Request On Request
Husky International Electronic ✓
Non-Authorised Inventory information
1,990 pcs
On Request
1990 pcs On Request 1 On Request On Request N/A 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.

REG101NA-5/3K Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Input Voltage
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
PSRR
Protection Features
SVHC Present
Supplier Device Package
Voltage
Voltage Dropout (Max)
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REG101NA-5/3K Description

Short technical summary and product information.

The Texas Instruments REG101NA-5/3K is a positive, fixed output linear low-dropout (LDO) voltage regulator. It is designed to provide a stable 5V output with a maximum current capability of 100mA. This regulator features a low dropout voltage of 0.13V at 100mA, making it suitable for applications where efficient power usage is critical.

 

Key electrical specifications include a maximum input voltage of 10V and a PSRR of 65dB at 120Hz, ensuring clean power delivery. The device operates within a temperature range of -40°C to 85°C and includes protection features such as over current and over temperature protection.

 

The REG101NA-5/3K is supplied in a SOT-23-5 surface mount package, also referred to as SC-74A or SOT-753. Its compact size and surface-mount capability make it ideal for space-constrained designs. The regulator also features an Enable control input for power sequencing or shutdown capabilities.

REG101NA-5/3K Quick Information

Product Type: Linear LDO Regulator
Series: REG101
Canonical Name: Texas Instruments REG101NA-5/3K Linear LDO Regulator
Subcategory: Linear, Low Drop Out (LDO)

REG101NA-5/3K Compliance

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

REG101NA-5/3K Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

REG101NA-5/3K Features

  • Fixed 5V positive output voltage.
  • Maximum output current of 100mA.
  • Low voltage dropout of 0.13V at 100mA.
  • Operates from up to 10V input.
  • SOT-23-5 surface mount package.

REG101NA-5/3K Applications

  • Ideal for portable electronic devices.
  • Suitable for low power applications.
  • Used in battery-powered systems.
  • Provides stable voltage regulation.
  • Power management circuits.

REG101NA-5/3K FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the REG101NA-5/3K?

The output voltage is fixed at 5V.

What package is the REG101NA-5/3K available in?

It is available in SOT-23-5, SC-74A, SOT-753 surface-mount packages.

What is the operating temperature range?

-40°C to 85°C.

What is the dropout voltage of the REG101NA-5/3K?

Maximum dropout voltage is 0.13V at 100mA output current.

What protection features does the REG101NA-5/3K have?

Over-current and over-temperature protection.

Does the REG101NA-5/3K have an enable control feature?

Yes, it includes an enable control feature.

What is the PSRR of the REG101NA-5/3K?

65dB at 120Hz.

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