LP2981A-33DBVR Part Information

Details for LP2981A-33DBVR by Texas Instruments

Semiconductors - ICs>Power Management ICs - PMIC>Voltage Regulators

Part Description

The LP2981 and LP2981A families of fixed-output, low-dropout regulators offer exceptional, costeffective performance for both portable and nonportable applications. Available in fixed voltages of 2.8 V, 3 V, 3.3 V, and 5 V, the family has an output tolerance of 0.75% for the A-grade devices (1.25% for the standard grade) and is capable of delivering 100-mA continuous load current. Standard regulator features, such as overcurrent and overtemperature protection, are included. The LP2981 and LP2981A have features that make the regulators ideal candidates for a variety of portable applications: • Low dropout: A PNP pass element allows a typical dropout of 200 mV at 100-mA load current and 7 mV at 1-mA load. • Low quiescent current: The use of a vertical PNP process allows for quiescent currents that are considerably lower than those associated with traditional lateral PNP regulators. • Shutdown: A shutdown feature is available, allowing the regulator to consume only 0.01 µA when the ON/OFF pin is pulled low.

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Part Features

  • Fast Transient Response to Line and Load
  • High Peak Current Capability
  • Low IQ: 600 u00b5A Typical at Full Load of 100 mA
  • Low ZOUT Over Wide Frequency Range
  • Output Tolerance of u2013 0.75% (A Grade) u2013 1.25% (Standard Grade)
  • Overcurrent and Thermal Protection
  • Shutdown Current: 0.01 u00b5A Typical
  • Ultra-Low Dropout Typically: u2013 200 mV at Full Load of 100 mA u2013 7 mV at 1 mA
  • u221240u00b0C to 125u00b0C Temperature Range

Part Specifications

Output Type Fixed
Input Voltage Min 2.2V
Input Voltage Max 16V
Fixed Output Voltage Nom. 3.3V
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Output Current 100mA
Dropout Voltage Vdo 200mV
LDO Regulator Case Style SOT-23
No. of Pins 5Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range 3.3V 100mA LDO Voltage Regulators
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Filter Terminals SMD
No. of Outputs 1Outputs
Operating Temperature Range -40°C to +125°C
Output Voltage Nom. 3.3V
Primary Input Voltage 16V
Quiescent Current 0.6A
Supply Voltage Min 2.2V
Voltage Tolerance ± 0.0075%
RoHS Compliant

Alternative Part Descriptions

  • IC, LDO VOLT REG, 3.3V, 0.1A, 5-SOT-23; Output Type:Fixed; Input Voltage Min:2.2V; Input Voltage Max:16V; Fixed Output Voltage Nom.:3.3V; Adjustable Output Voltage Min:-; Adjustable Output Voltage Max:-; Output Current:100mA; DropoutRoHS Compliant: Yes | Newark Electronics
  • 100-mA, 16-V, low-dropout voltage regulator with high-accuracy & enable | Texas Instruments

Frequently Asked Questions

Where can I find additional details, specifications and documents for a LP2981A-33DBVR?

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What category does LP2981A-33DBVR fall under?

The LP2981A-33DBVR is listed under Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators.

Can I view similar or alternative parts?

You can view similar parts to LP2981A-33DBVR when available in the Voltage Regulators range under the specifications section at the bottom of the details page.

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Is the LP2981A-33DBVR RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Farnell.

Which authorised distributors for LP2981A-33DBVR have stock available?

Authorised distributors including Newark Electronics and Texas Instruments have stock available or on a lead time for LP2981A-33DBVR.

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