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LP2981A-50DBVR The Texas Instruments LP2981A-50DBVR is a linear voltage regulator providing a fixed 5V output. It is designed for 100mA output current and comes in a SOT-23-5 package.
Mfr Part #:

LP2981A-50DBVR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LP2981A-50DBVR is a linear voltage regulator providing a fixed 5V output. It is designed for 100mA output current and comes in a SOT-23-5 package.
✓ Total Stock: 124,502 pcs
$ Price Range: $0.25

LP2981A-50DBVR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
122,203 pcs
On Request
122203 pcs On Request 1 On Request On Request 25+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
2,284 pcs
On Request
2284 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
15 pcs
On Request
15 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.

LP2981A-50DBVR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Halogen Free
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
SVHC Present
Supplier Device Package
Supplier Package
Voltage
Voltage Dropout (Max)
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LP2981A-50DBVR Description

Short technical summary and product information.

The Texas Instruments LP2981A-50DBVR is a linear voltage regulator IC designed for efficient power management. It provides a stable, fixed 5V output voltage with a maximum output current of 100mA. This device operates with a low quiescent current of 95 µA, making it suitable for power-sensitive applications.

 

Key electrical characteristics include a voltage dropout of 0.37V at 100mA and a Power Supply Rejection Ratio (PSRR) of 63dB at 1kHz, ensuring stable output under varying input conditions. The regulator features built-in protection against over current, over temperature, and short circuit faults, enhancing system reliability.

 

Packaged in a compact SOT-23-5 (SC-74A, SOT-753) surface-mount configuration, the LP2981A-50DBVR is ideal for designs where space is limited. Its operating temperature range is from -40°C to 125°C, allowing for use in demanding environments. The 'Enable' control feature provides additional flexibility in power sequencing and management.

LP2981A-50DBVR Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LP2981A-50DBVR Linear Voltage Regulator
Subcategory: Linear

LP2981A-50DBVR Compliance

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

LP2981A-50DBVR Estimated Pricing

Qty Low High
1+ $0.25 $0.25

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

LP2981A-50DBVR Features

  • Provides a fixed 5V output voltage.
  • Supports up to 100mA output current.
  • Features over current and temperature protection.
  • Operates from -40°C to 125°C.
  • Compact SOT-23-5 surface-mount package.

LP2981A-50DBVR Applications

  • Ideal for battery-powered devices.
  • Suitable for portable electronics.
  • Used in power management circuits.
  • Applicable in space-constrained designs.

LP2981A-50DBVR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum input voltage?

16V.

What is the operating temperature range?

-40°C to 125°C.

What is the package type?

SOT-23-5 (SC-74A, SOT-753).

What is the dropout voltage?

0.37V maximum at 100mA load.

What is the quiescent current?

95 µA.

What protection features are included?

Over Current, Over Temperature, and Short Circuit protection.

Does the regulator have an enable control?

Yes, it includes an Enable control feature.

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