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Product details

Parameters

Output options Fixed Output Iout (Max) (A) 0.3 Vin (Max) (V) 3.3 Vin (Min) (V) 1.3 Vout (Max) (V) 1.8 Vout (Min) (V) 0.9 Fixed output options (V) 0.9, 1, 1.1, 1.2, 1.8, 1.825 Noise (uVrms) 12 Iq (Typ) (mA) 0.012 Thermal resistance θJA (°C/W) 79 Approx. price (US$) 0.12 | 1ku Load capacitance (Min) (µF) 1 Rating Catalog Regulated outputs (#) 1 Features Enable, Output Discharge, Reverse Current Protection Accuracy (%) 3 PSRR @ 100 KHz (dB) 40 Dropout voltage (Vdo) (Typ) (mV) 120 Operating temperature range (C) -40 to 125 open-in-new Find other Linear regulators (LDO)

Package | Pins | Size

DSBGA (YKA) 4 0 mm² .752 x .752 WSON (DRV) 6 4 mm² 2 x 2 open-in-new Find other Linear regulators (LDO)

Features

  • Input Voltage Range: 1.3 V to 3.3 V
  • Output Voltage Range: 0.8 V to 2.3 V
  • Output Current: 300 mA
  • PSRR: 75 dB at 1 kHz
  • Output Voltage Tolerance: ±2%
  • Low Dropout: 120 mV (Typical)
  • Very Low IQ (Enabled, No Load): 12 µA
  • Low Output-Voltage Noise: 12 µVRMS
  • Stable with Ceramic Input and Output Capacitors
  • Thermal Overload Protection
  • Short-Circuit Protection
  • Reverse Current Protection
  • Automatic Output Discharge for Fast Turnoff
  • Create a Custom Design Using the LP5910 With the WEBENCH® Power Designer

All trademarks are the property of their respective owners.

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

Description

The LP5910 is a low-noise LDO that can supply up to 300 mA of output current. Designed to meet the requirements of RF and analog circuits, this device provides low noise, high PSRR, low quiescent current, and superior line transient and load transient response. Using new innovative design techniques the LP5910 offers class-leading noise performance without a noise bypass capacitor and with the option for remote output capacitor placement.

The device contains a reverse current protection circuit that prevents a reverse current flow through the LDO to the IN pin when the input voltage is lower than the output voltage.

When the Enable (EN) pin is low, and the output is in an OFF state, an automatic output discharge circuit discharges the output capacitance for fast turnoff.

With its low input and low output voltage range the LP5910 is well-suited as a post DC-DC regulator (post BUCK regulator) or for single- or dual-cell applications.

The device is designed to work with a 1-µF input and a 1-µF output ceramic capacitor. A separate noise bypass capacitor is not required.

This device is available with fixed output voltages from 0.8 V to 2.3 V in 25-mV steps. Contact Texas Instruments Sales for specific voltage option needs.

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

DRV and YKA packages are fully released. Production samples are available.  Order now

YCP package is in preview. Preproduction samples are available (PLP5910-1.2PYCPR).  Order now

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Technical documentation

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No results found. Please clear your search and try again. View all 9
Type Title Date
* Datasheet LP5910 300-mA Low-Noise, Low-IQ LDO datasheet (Rev. E) Jul. 20, 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 LDOs Thermal Performance in Small SMD Packages Apr. 22, 2016
User guides LP5910DRVEVM User's Guide Sep. 25, 2015
User guides LP5910YKAEVM User's Guide Sep. 25, 2015

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$79.00
Description

The Texas Instruments LP5910DRV18EVM evaluation module (EVM) helps designers evaluate the performance of the LP5910, 300mA, Ultra-low-Noise, Low-Dropout Linear Regulator. The EVM is a standalone evaluation module containing one positive voltage low-dropout regulator IC for fixed voltage regulation (...)

Features
  • Operating Input Voltage: 2.3 V to 3.3 V
  • Output Voltage: 1.8V ±2%
  • Jumper for user selectable Enable or Disable
  • Low Dropout: 120 mV (Typical) at 300mA
  • Stable with Ceramic Capacitors ≥ 1μF
EVALUATION BOARDS Download
document-generic User guide
$79.00
Description

The Texas Instruments LP5910YKA18EVM evaluation module (EVM) helps designers evaluate the performance of the LP5910, 300mA, Ultra-low-Noise, Low-Dropout Linear Regulator. The EVM is a standalone evaluation module containing one positive voltage low-dropout regulator IC for fixed voltage regulation (...)

Features
  • Operating Input Voltage: 2.3 V to 3.3 V
  • Output Voltage: 1.8V ±2%
  • Jumper for user selectable Enable or Disable
  • Low Dropout: 120 mV (Typical) at 300mA
  • Stable with Ceramic Capacitors ≥ 1μF

Design tools & simulation

SIMULATION MODELS Download
SNVMAE9A.ZIP (51 KB) - PSpice Model
SIMULATION MODELS Download
SNVMAF0A.ZIP (2 KB) - PSpice Model
SIMULATION MODELS Download
SNVMAF1A.ZIP (50 KB) - PSpice Model
SIMULATION MODELS Download
SNVMAF2A.ZIP (2 KB) - PSpice Model
SIMULATION MODELS Download
SNVMAF3A.ZIP (2 KB) - PSpice Model
SIMULATION MODELS Download
SNVMAF4A.ZIP (51 KB) - PSpice Model
SIMULATION MODELS Download
SNVMAP6A.ZIP (54 KB) - PSpice Model
SIMULATION MODELS Download
SNVMAP7A.ZIP (2 KB) - PSpice Model
SIMULATION MODELS Download
SNVMAU5.ZIP (2 KB) - PSpice Model
SIMULATION MODELS Download
SNVMAU6.ZIP (55 KB) - PSpice Model
SIMULATION MODELS Download
SNVMBB6.ZIP (52 KB) - PSpice Model
SIMULATION MODELS Download
SNVMBB7.ZIP (2 KB) - PSpice Model

Reference designs

REFERENCE DESIGNS Download
Ultrasound smart probe power supply reference design
TIDA-010057 — Significant technological advancements and high degree of integration in Medical imaging, especially hand-held ultrasound smart probes, are pushing engineers to come up with highly-efficient, noise immune power solutions in a small size. This reference design documents end to end power and data (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
LP5910 and TPS61221 as Power Reference Design for devices Interacting with Ultra-Low Voltage MSP430
TIDA-00599 The MSP430X09X can operate form ultra-low voltages (ULV) in the range of 0.9V to 1.65V; however most of the devices in the system requires higher voltages. TIDA-00599 provides a solution for those companion devices that requires 1.8V and 3.3V input voltages.

A 3.3V voltage rail is generated from a (...)

document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
(YCP) 4 View options
DSBGA (YKA) 4 View options
WSON (DRV) 6 View options

Ordering & quality

Support & training

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