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250-mA, 16-V, low-dropout voltage regulator with enable

Inventory: 46,433
Custom reel may be available

Download data sheet for LP2992
  |   View additional information for LP2992

Packaging information

Package | Pins SOT-23 (DBV) | 5
Operating temperature range (°C) Q (-40 to 125)
Package qty | Carrier: 1,000 | LARGE T&R
Custom reel may be available
View more packaging information

Quality information

RoHS Yes
Lead finish / Ball material SN
MSL rating / Peak reflow Level-1-260C-UNLIM
Material content View
DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
Device marking View


  • Input Voltage Range: 2.2 V to 16 V
  • Output Voltage Range: 1.5 V to 5 V
  • Wide Supply Voltage Range (16-V Maximum)
  • Output Voltage Accuracy 1% (A Grade)
  • Ultra-Low-Dropout Voltage
  • Specified 250-mA Output Current
  • Stable With Low-ESR Output Capacitor
  • < 1-µA Quiescent Current When Shut Down
  • Low Ground Pin Current at All Loads
  • High Peak Current Capability
  • Low ZOUT: 0.3-Ω Typical (10 Hz to 1 MHz)
  • Overtemperature and Overcurrent Protection
  • −40°C to +125°C Junction Temperature Range
  • Smallest Possible Size (SOT-23, WSON Package)
  • Requires Minimum External Components
  • Custom Voltages Available


The LP2992 is a 250-mA, fixed-output voltage regulator designed to provide ultra-low dropout and low noise in battery-powered applications.

Using an optimized vertically integrated PNP (VIP) process, the LP2992 delivers unequaled performance in all specifications critical to battery-powered designs:

  • Dropout voltage: Typically 450 mV at 250-mA load, and 5 mV at 1-mA load.
  • Ground pin current: Typically 1500 µA at 250-mA load, and 75 µA at 1-mA load.
  • Enhanced stability: The LP2992 is stable with output capacitor equivalent series resistance (ESR) as low as 5 mΩ, which allows the use of ceramic capacitors on the output.
  • Sleep mode: Less than 1-µA quiescent current when ON/OFF pin is pulled low.
  • Smallest possible size: SOT-23 and WSON packages use absolute minimum board space.
  • Precision output: 1% tolerance output voltages available (A grade).
  • Low noise: By adding a 10-nF bypass capacitor, output noise can be reduced to 30 µV (typical).
  • Multiple voltage options, from 1.5 V to 5 V, are available as standard products. Consult factory for custom voltages.
For all available packages, see the orderable addendum at the end of the data sheet.
Qty Price
1-99 $0.825
100-249 $0.635
250-999 $0.467
1,000+ $0.334

Alternative carriers

Part number LP2992AIM5X-3.3/NOPB
Package qty | Carrier 3,000 | LARGE T&R
Custom reel may be available
Inventory 16,561
Qty | Price (USD) 1ku | $0.334