Product details


Output options Adjustable Output Iout (Max) (A) 0.05 Vin (Max) (V) 16 Vin (Min) (V) 2.5 Vout (Max) (V) 15 Vout (Min) (V) 1.2 Noise (uVrms) 160 Iq (Typ) (mA) 0.065 Thermal resistance θJA (°C/W) 300 Load capacitance (Min) (µF) 2.2 Rating Catalog Regulated outputs (#) 1 Features Enable Accuracy (%) 2.5 PSRR @ 100 KHz (dB) 32 Dropout voltage (Vdo) (Typ) (mV) 120 Operating temperature range (C) -40 to 125 open-in-new Find other Linear regulators (LDO)

Package | Pins | Size

SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 open-in-new Find other Linear regulators (LDO)


  • Ultra Low Dropout Voltage
  • Output Adjusts from 1.23V to 15V
  • Specified 50 mA Output Current
  • Uses Tiny SOT-23 Package
  • Requires Few External Components
  • <1 μA Quiescent Current when Shutdown
  • Low Ground Pin Current at All Loads
  • High Peak Current Capability (150 mA Typical)
  • Wide Supply Voltage Range (2.5V–16V)
  • Overtemperature/overcurrent Protection
  • −40°C to +125°C Junction Temperature Range

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open-in-new Find other Linear regulators (LDO)


The LP2980-ADJ is a 50 mA adjustable voltage regulator designed to provide ultra low dropout in battery powered applications.

Using an optimized VIP (vertically Integrated PNP) process, the LP2980-ADJ delivers unequaled performance in all specifications critical to battery-powered designs:

Adjustable Output: output voltage can be set from 1.23V to 15V.

Precision Reference: 1.0% tolerance.

Dropout Voltage: typically 120 mV @ 50 mA load, and 7 mV @ 1 mA load.

Ground Pin Current: typically 320 µA @ 50 mA load, and 80 µA @ 1 mA load.

Sleep Mode: less than 1 μA quiescent current when on/off pin is pulled low.

Smallest Possible Size: Package uses minimum board space.

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Technical documentation

= Featured
No results found. Please clear your search and try again. View all 5
Type Title Date
* Datasheet LP2980-ADJ Micropower 50mA Ultra Low-Dropout Adj VRegulator in SOT-23 datasheet (Rev. E) Apr. 04, 2013
Technical articles LDO basics: capacitor vs. capacitance Aug. 01, 2018
Technical articles LDO Basics: Preventing reverse current Jul. 25, 2018
Technical articles LDO basics: introduction to quiescent current Jun. 20, 2018
Technical articles LDO basics: noise – part 1 Jun. 14, 2017

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

document-generic User guide
The industry standard LM75/TMP75 is now available with high accuracy and a wider temperature range. The TMP1075 is a drop-in replacement for the most prevalent digital temperature sensors with enhanced features. The TMP1075 provides up to ±0.5°C typical accuracy over the −25°C (...)
  • Provides GUI for simple and fast setup 
  • Perforated PCB allows sensor to be placed in user’s system
  • Up to ±0.5°C typical accuracy with 0.0625°C resolution (12-bit)
  • Example of PCB layout for fast thermal response time
document-generic User guide
The TMP116 devices are a family of high-precision digital temperature sensors with integrated EEPROM. The TMP116 family provides up to ±0.1°C accuracy over the 20°C to 42°C range, and 0.2°C accuracy over the 0°C to 85°C range with 16-bit resolution.  The TMP116EVM (...)
  • Provides GUI for simple and fast setup
  • Perforated PCB allows sensor to be placed in user’s system
  • Up to 0.1°C accuracy with 0.0078°C resolution (16-bit)

Reference designs

7V/350mW Non-Isolated Flyback Reference Design
PMP20457 — PMP20457 is a high line 190-253VAC input to 7V/350mW power supply in a small form-factor, cost-effective design. It uses the UCC28881 which features an integrated 700V switch. The PMP20457 is a 2-layer, 1-oz copper weight per layer, 1.25 inch x 4 inch board.
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
SOT-23 (DBV) 5 View options

Ordering & quality

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