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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 x 3.68
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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 19 Jun 2026
Application note LDO Noise Demystified (Rev. B) PDF | HTML 18 Aug 2020
Application note ESR, Stability, and the LDO Regulator (Rev. A) 07 Jan 2020
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 09 Aug 2017
Application note AN-1815 LDOs Ease the Stress of Start-Up (Rev. A) 24 Apr 2013
Application note 3.6V – 5.5V Input, LDO Reference Design for MSP430 (Rev. A) 14 Jun 2010
Application note 3.6V – 5.5V Input, LDO with Dual-Level Output Reference Design for MSP430 (Rev. A) 14 Jun 2010
Application note Packaging Limits Range of Linear Regulators 08 May 2010
Application note Simple Power Solution Using LDOs for the DM365 (Rev. A) 11 Sep 2009
Application note Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A) 04 Jun 2008
Application note Ceramic Capacitors Replace Tantalum Capacitors in LDOs (Rev. A) 13 Oct 2006
Application note Understanding LDO Dropout 09 May 2005
Application note Extending the Input Voltage Range of an LDO Regulator 16 Aug 2002
Application note Understanding the Terms and Definitions of LDO Voltage Regulators 21 Oct 1999
Application note Technical Review of Low Dropout Voltage Regulator Operation And Performance 30 Aug 1999
Application brief Low Power 150-mA LDO Linear Regulators. Extended Output Voltage Adjustment Range 11 Jun 1999

Design & development

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Simulation model

LP2950-33 PSpice Transient Model

SLVM953.ZIP (22 KB) - PSpice Model
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TO-92 (LP) 3 Ultra Librarian
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