Details, datasheet, quote on part number: LM1117IMPX-3.3/NOPB
CategorySemiconductors => Power Management => Linear Regulator (LDO) => Single Channel LDO
Part familyLM1117 Space Saving 800mA Low-Dropout Linear Regulator with Internal Current Limit
TitleIC REG LDO 3.3V 0.8A SOT223
DescriptionSpace Saving 800mA Low-Dropout Linear Regulator with Internal Current Limit 4-SOT-223 -40 to 125
CompanyTexas Instruments Inc.
DatasheetDownload LM1117IMPX-3.3/NOPB datasheet
Cross ref.Similar parts: IFX8117ME V33, MC33269ST-3.3, SPX1117M3-3.3, SPX1117M3-L-3-3, LM1117IMP-3.3/NOPB, REG1117, TLV1117-25, TLV1117-33, LM2936, LM2937-3.3
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Fixed Output Options(V)1.8,2.5,3.3,5
Regulated Outputs(#)1
Approx. Price (US$)0.38 | 1ku
Thermal Resistance θJA(°C/W)24
Operating Temperature Range(C)-40 to 125,0 to 125
Output Capacitor TypeNon-Ceramic
Output OptionsAdjustable Output,Fixed Output
Package GroupDDPAK/TO-263,SOT-223,TO-220,TO-252,WSON
PSRR @ 100KHz(dB)47
  Mecanical Data
Pin nbPackage typeInd stdJEDEC codePackage qtyCarrierDevice markWidth (mm)Length (mm)Thick (mm)Pitch (mm)
Application notes
• A Topical Index of TI LDO Application Notes (Rev. E) | Doc
• Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A) | Doc
• Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A)
When working with voltage regulator circuits, the designer is often confronted with the need to calculatethe tolerance of the regulated output voltage. For fixed voltage regulators, this problem is easily managedbecause the required information is directly | Doc
• Linear power for automated industrial systems
Designing a robust power management system for industrial automated equipment requires thorough understanding of the surroundings and conditions that affect the functionality. During the past few decades, industrial and factory automation systems have beco | Doc
• AN-182 Improving Power Supply Reliability with IC Power Regulators (Rev. B)
This application report discusses improving power supply reliability with IC power regulators. | Doc
• AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B)
This application note discusses the operation and compensation of linear regulators. | Doc
• AN-103 LM340 Series Three Terminal Positive Regulators (Rev. A)
The LM340-XX are three terminal 1.0A positive voltage regulators, with preset output voltages of 5.0V or15V. The LM340 regulators are complete 3-terminal regulators requiring no external components fornormal operation. However, by adding a few parts, one m | Doc
• AN-181 3-Terminal Regulator is Adjustable (Rev. B)
Until now, all of the 3-terminal power IC voltage regulators have a fixed output voltage. In spite of this limitation, their ease of use, low cost, and full on-chip overload protection have generated wide acceptance. Now, with the introduction of the | Doc
• Understanding the Terms and Definitions of LDO Voltage Regulators
This report provides an understanding of the terms and definitions of low dropout (LDO) voltage regulators, and describes fundamental concepts including dropout voltage, quiescent current, standby current, efficiency, transient response, line/load regulati | Doc
• AN-1028 Maximum Power Enhancement Techniques for Power Packages (Rev. B)
The purpose of this application report is to aid the user in maximizing the power handling capability of Texas Instruments power packages by using the SOT-223 as an example. | Doc
• AN-1482 LDO Regulator Stability Using Ceramic Output Capacitors (Rev. A)
Ultra-low ESR capacitors such as ceramics are highly desirable because they can support fast-changingload transients and also bypass very high frequency noise coming from switching converter powersources, which a linear regulator can not reject. However, u | Doc
• LDO PSRR Measurement Simplified (Rev. A)
This applicationreportexplainsdifferentmethodsof measuringthe PowerSupplyRejectionRatio(PSRR)of a Low-Dropout(LDO)regulatorand includesthe prosand consof thesemeasuringmethods | Doc
• Packaging Limits Range of Linear Regulators
The power limitations of the physical packaging for a linear regulator device can limit the total output current or the input-to-output voltage differential. This inherent limitation is not always apparent from the product data sheet and must be evaluated | Doc
Evaluation Kits
DLPDLCR4710EVM-G2: Full HD DLP4710 Chipset Evaluation Module
Spice Model
LM1117 2P85 Unencrypted PSpice Transient Model - ZIP (03/25/2015)
LM1117 2P5 PSpice Transient Model - ZIP (03/25/2015)
LM1117 3P3 PSpice Transient Model - ZIP (03/25/2015)
LM1117 Adjustable Unencrypted PSpice Transient Model - ZIP (08/17/2015)
LM1117 2P5 Unencrypted PSpice Transient Model - ZIP (03/25/2015)
LM1117 ADJ PSpice Transient Model - ZIP (08/10/2015)
LM1117 1P8 Unencrypted PSpice Transient Model - ZIP (03/25/2015)
LM1117 2P85 PSpice Transient Model - ZIP (03/25/2015)
LM1117 1P8 PSpice Transient Model - ZIP (03/25/2015)
LM1117 3P3 Unencrypted PSpice Transient Model - ZIP (03/25/2015)
LM1117 5P0 PSpice Transient Model - ZIP (03/25/2015)
LM1117 5P0 Unencrypted PSpice Transient Model - ZIP (03/25/2015)

Others parts numbering
LM1117MPX-5.0/NOPB: IC REG LDO 5V 0.8A SOT223
LM1117MPX-2.5/NOPB: IC REG LDO 2.5V 0.8A SOT223


Features, Applications

The is a series of low dropout voltage regulators with a dropout 800mA of load current. It has the same pin-out as National Semiconductor's industry standard LM317. The LM1117 is available in an adjustable version, which can set the output voltage from to 13.8V with only two external resistors. In addition, it is also available in five fixed voltages, 2.85V, 3.3V, and 5V. The LM1117 offers current limiting and thermal shutdown. Its circuit includes a zener trimmed bandgap reference to assure output voltage accuracy to within 1%. The LM1117 series is available in LLP, SOT-223, TO-220, and TO-252 D-PAK packages. A minimum of 10F tantalum capacitor is required at the output to improve the transient response and stability.


n Available 3.3V, 5V, and Adjustable Versions n Space Saving SOT-223 and LLP Packages n Current Limiting and Thermal Protection n Output Current 800mA n Line Regulation 0.2% (Max) n Load Regulation 0.4% (Max) n Temperature Range to 125C


2.85V Model for SCSI-2 Active Termination Post Regulator for Switching DC/DC Converter High Efficiency Linear Regulators Battery Charger Battery Powered Instrumentation

Package 3-lead SOT-223 Temperature Range to +125C Part Number LM1117IDTX-5.0 8-lead LLP LM1117SX-3.3 LM1117SX-5.0 Packaging Marking LM1117S3.3 LM1117S5.0 Transport Media Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Rails Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel TD03B T03B NSC Drawing MP04A

When using the LLP package Pins must be connected together and Pins must be connected together


Some Part number from the same manufacture Texas Instruments Inc.

Texas Instruments' LM1117 is a low dropout voltage regulator with a dropout of 1.2 V at 800 mA of load current. The LM1117 is available in an adjustable version, which can set the output voltage


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