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LP2992

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

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

LP2992

ACTIVE
Data sheet Order now

Product details

Parameters

Output options Fixed Output Iout (Max) (A) 0.25 Vin (Max) (V) 16 Vin (Min) (V) 2.2 Vout (Max) (V) 5 Vout (Min) (V) 1.5 Fixed output options (V) 1.5, 1.8, 2.5, 3.3, 5 Noise (uVrms) 30 Iq (Typ) (mA) 0.065 Thermal resistance θJA (°C/W) 72 Load capacitance (Min) (µF) 4.7 Rating Catalog Regulated outputs (#) 1 Features Enable, Soft Start Accuracy (%) 2 PSRR @ 100 KHz (dB) 40 Dropout voltage (Vdo) (Typ) (mV) 450 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 WSON (NGD) 6 10 mm² 2.92 x 3.29 open-in-new Find other Linear regulators (LDO)

Features

  • 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
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Description

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. open-in-new Find other Linear regulators (LDO)
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Technical documentation

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Type Title Date
* Datasheet LP2992 Micropower 250-mA Low-Noise Ultra-Low-Dropout Regulator in SOT-23 and WSON Packages Designed for Use With Very Low-ESR Output Capacitors datasheet (Rev. J) Jan. 11, 2017
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
Selection guides Low Dropout Regulators Quick Reference Guide (Rev. P) Mar. 21, 2018
Technical articles LDO basics: noise – part 1 Jun. 14, 2017
Application notes AN-1028 Maximum Power Enhancement Techniques for Power Packages (Rev. B) May 06, 2013

Design & development

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

Hardware development

EVALUATION BOARDS Download
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Description

The DRV8353RH-EVM is a 15A, 3-phase brushless DC drive stage based on the DRV8353RH gate driver and CSD19532Q5B NexFET™ MOSFETs.

The module has individual DC bus and phase voltage sense as well as individual low-side current shunt amplifiers, making this evaluation module ideal for sensorless BLDC (...)

Features
  • 9- to 95-V operation
  • 15 A continuous / 20 A peak H-bridge output current
  • Internal buck regulator
  • Three individual, internal low-side current shunt amplifiers
  • INSTASPIN FOC firmware available
View details
EVALUATION BOARDS Download
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99
Description

The DRV8353RS-EVM is a 15A, 3-phase brushless DC drive stage based on the DRV8353RS gate driver and CSD19532Q5B NexFET™ MOSFETs.

The module has individual DC bus and phase voltage sense as well as individual low-side current shunt amplifiers, making this evaluation module ideal for sensorless BLDC (...)

Features
  • 9- to 95-V operation
  • 15 A continuous / 20 A peak H-bridge output current
  • Internal buck regulator
  • Three individual, internal low-side current shunt amplifiers
  • INSTASPIN FOC firmware available
View details
EVALUATION BOARDS Download
document-generic User guide
249
Description

The LMG5200POLEVM-10 EVM is designed to evaluate the LMG5200 GaN power stage and the TPS53632G half-bridge point-of-load controller in a 48V to 1V application.  This EVM implements the 48V-1V converter as a single-stage hard-switched half-bridge with current-doubler rectifier.  The EVM (...)

Features
  • Input voltage from 36V to 75V
  • Output from 0.5 Volts to 1.5 Volts at up to 50 A
  • Switching frequency up to 1 MHz
  • DCAP+ control architecture provides fast transient response
View details

Design tools & simulation

SIMULATION MODELS Download
SNVM639.ZIP (39 KB) - PSpice Model
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SNVM640.ZIP (39 KB) - PSpice Model
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SNVM641.ZIP (40 KB) - PSpice Model
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SNVM642.ZIP (42 KB) - PSpice Model
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SNVM643.ZIP (40 KB) - PSpice Model
SIMULATION MODELS Download
SNVMA19.ZIP (8 KB) - TINA-TI Spice Model
SIMULATION MODELS Download
SNVMA20.TSC (143 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SNVMA21.TSC (168 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SNVMA22.ZIP (8 KB) - TINA-TI Spice Model
SIMULATION MODELS Download
SNVMA90.ZIP (1 KB) - PSpice Model
SIMULATION MODELS Download
SNVMA91.ZIP (1 KB) - PSpice Model
SIMULATION MODELS Download
SNVMA92.ZIP (1 KB) - PSpice Model
SIMULATION MODELS Download
SNVMA93.ZIP (1 KB) - PSpice Model
SIMULATION MODELS Download
SNVMA94.ZIP (1 KB) - PSpice Model
SIMULATION TOOLS Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
View details

Reference designs

REFERENCE DESIGNS Download
Half-bridge point-of-load converter reference design with GaN technology
PMP22089 — This reference design modifies the inboard transformer turns ratio from 5:1 to 3:1 to reduce input the range. The board supports input voltages from 24 V to 32 V and output voltages between 0.5 V to 1.0 V with output currents up to 40 A. This topology efficiently supports the high step-down ratio (...)
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REFERENCE DESIGNS Download
Off-line (non-isolated) AC/DC power supply architectures reference design for grid applications
TIDA-010060 — This reference design showcases three non-isolated AC/DC power supply topologies for line-powered applications such as residential circuit interrupters, circuit breakers, home automation equipment and appliances for < 100 mA. The three topologies are:
  • Off-line switcher using inductor
  • AC line regulator (...)
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REFERENCE DESIGNS Download
Flexible Interface (PRU-ICSS) Reference Design for Simultaneous, Coherent DAQ Using Multiple ADCs
TIDA-01555 — This reference design showcases an interface implementation for connecting multiple high voltage bipolar input, 8-channel, mux-input SAR ADCs (6) with the Sitara Arm processors for expanding the number of input channels using Programmable Real-time Unit (PRU-ICSS). ADCs are configured for (...)
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18-VDC - 30-VDC input multiple output flybuck reference design
PMP30502 — This isolated flybuck reference design uses the LM3150 synchronous buck controller to generate one non-isolated output (3.3 V at 5 A) and two isolated outputs (5 V at 100 mA, 5 V at 100 mA) from a DC input (18 VDC - 30 VDC). The design can provide 17.5-W output power. Two additonal linear regulator (...)
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3 Phase AC Input, 12W Output Reference Design for E-meter
PMP40347 — This reference design was designed for the 3 Phase E-meter application. It uses the UCC28600 quasi-resonant flyback controller to generate three 3KV isolated output rails from an extremely wide input source from 110VAC to 420VAC. The 3 output rails have independent protections to improve system (...)
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Reference Design for Interfacing Current Output Hall Sensors and CTs with Differential ADC/MCU
TIDA-00368 — The TIDA-00368 reference design provides a reference solution for interfacing current output Hall sensors and current transformers to differential ADC (standalone and integrated into MCU). The differential signal conditioning circuit is designed to measure motor current with an accuracy of (...)
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Interfacing Current Output Hall Sensors and CTs with Pseudo-differential ADC/MCU Reference Design
TIDA-00316 — The TIDA-00316 reference design provides a reference solution for interfacing current output Hall sensors and current transformers to Pseudo-differential ADC (standalone and integrated into MCU). Two variants of signal conditioning circuits are designed to measure motor current using bipolar and (...)
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CAD/CAE symbols

Package Pins Download
SOT-23 (DBV) 5 View options
WSON (NGD) 6 View options

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