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Linear & low-dropout (LDO) regulators

LP2950

ACTIVE

100-mA, 30-V, low-dropout voltage regulator with low IQ

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Data sheet

LP2950

ACTIVE
Data sheet Order now

Product details

Rating Catalog Vin (max) (V) 30 Vin (min) (V) 2 Iout (max) (A) 0.1 Output options Fixed Output Vout (max) (V) 5 Vout (min) (V) 3 Fixed output options (V) 3, 3.3, 5 Noise (µVrms) 100 PSRR at 100 KHz (dB) 57 Iq (typ) (mA) 0.075 Thermal resistance θJA (°C/W) 97 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 110 Operating temperature range (°C) -40 to 125
Rating Catalog Vin (max) (V) 30 Vin (min) (V) 2 Iout (max) (A) 0.1 Output options Fixed Output Vout (max) (V) 5 Vout (min) (V) 3 Fixed output options (V) 3, 3.3, 5 Noise (µVrms) 100 PSRR at 100 KHz (dB) 57 Iq (typ) (mA) 0.075 Thermal resistance θJA (°C/W) 97 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 110 Operating temperature range (°C) -40 to 125
TO-92 (LP) 3 19.136 mm² (5.2 mm × 3.68 mm)
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet LP295x 100mA, 30V, Adjustable Voltage Regulator With Shutdown datasheet (Rev. L) PDF | HTML Jun 19, 2026
Application note LDO Noise Demystified (Rev. B) PDF | HTML Aug 18, 2020
Application note ESR, Stability, and the LDO Regulator (Rev. A) Jan 7, 2020
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML Aug 9, 2017
Application note AN-1815 LDOs Ease the Stress of Start-Up (Rev. A) Apr 24, 2013
Application note 3.6V – 5.5V Input, LDO with Dual-Level Output Reference Design for MSP430 (Rev. A) Jun 14, 2010
Application note 3.6V – 5.5V Input, LDO Reference Design for MSP430 (Rev. A) Jun 14, 2010
Application note Packaging Limits Range of Linear Regulators May 8, 2010
Application note Simple Power Solution Using LDOs for the DM365 (Rev. A) Sep 11, 2009
Application note Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A) Jun 4, 2008
Application note Ceramic Capacitors Replace Tantalum Capacitors in LDOs (Rev. A) Oct 13, 2006
Application note Understanding LDO Dropout May 9, 2005
Application note Extending the Input Voltage Range of an LDO Regulator Aug 16, 2002
Application note Understanding the Terms and Definitions of LDO Voltage Regulators Oct 21, 1999
Application note Technical Review of Low Dropout Voltage Regulator Operation And Performance Aug 30, 1999
Application brief Low Power 150-mA LDO Linear Regulators. Extended Output Voltage Adjustment Range Jun 11, 1999

Design & development

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Simulation model

LP2950-33 PSpice Transient Model

SLVM953.ZIP (22 KB) - PSpice model
Supported products & hardware
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TO-92 (LP) 3 Ultra Librarian
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