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                      1. Home
                      2. Semiconductors - ICs
                      3. Power Management ICs - PMIC
                      4. Voltage Regulators
                      5. LDO Voltage Regulators
                      Print Page

                      LD1117S12TR

                      Fixed LDO Voltage Regulator, 1.4V to 15V, 1.1V Dropout, 1.2Vout, 800mAout, SOT-223-3

                      STMICROELECTRONICS LD1117S12TR
                      Image is for illustrative purposes only. Please refer to product description.
                      ManufacturerSTMICROELECTRONICS
                      Manufacturer Part NoLD1117S12TR
                      Order Code1467778
                      Product Range1.2V 800mA LDO Voltage Regulators
                      Technical Datasheet

                      Data Sheet

                      See all Technical Docs
                      Packaging Options
                      2,820 In Stock

                      Need more?

                      2820 Delivery in 4-6 Business Days(UK stock)
                      QuantityPrice
                      5+Rs.23.790
                      50+Rs.21.000
                      100+Rs.18.200
                      500+Rs.18.000
                      1000+Rs.17.800
                      Price for:Each (Supplied on Cut Tape)
                      Minimum: 5
                      Multiple: 5
                      Rs.118.95
                      Enter Your Part No/Line Note
                      Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                      Product Information

                      ManufacturerSTMICROELECTRONICS
                      Manufacturer Part NoLD1117S12TR
                      Order Code1467778
                      Product Range1.2V 800mA LDO Voltage Regulators
                      Technical Datasheet

                      Data Sheet

                      Output TypeFixed
                      Input Voltage Min1.4V
                      Input Voltage Max15V
                      No. of Outputs1Outputs
                      Output Voltage Nom1.2V
                      Output Voltage - Nom1.2V
                      Output Voltage Min-
                      Output Voltage Max-
                      PolarityPositive Output
                      Output Current Max800mA
                      Max Output Current800mA
                      Dropout Voltage Typ @ Current1.1V
                      Dropout Voltage - Typ @ Current1.1V
                      IC MountingSurface Mount
                      IC Case / PackageSOT-223
                      No. of Pins3Pins
                      Operating Temperature Min0°C
                      Operating Temperature Max125°C
                      Product Range1.2V 800mA LDO Voltage Regulators
                      MSLMSL 1 - Unlimited
                      SVHCNo SVHC (21-Jan-2025)

                      Product Overview

                      The LD1117S12TR is a Low-drop Voltage Regulator with 1.2V output voltage and it is able to provide up to 800mA of output current, available even in adjustable version (VREF =1.25 V). High efficiency is assured by NPN pass transistor. In fact in this case, unlike than PNP one, the quiescent current flows mostly into the load. Only a very common 10µF minimum capacitor is needed for stability. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ±1% at 25°C. The adjustable regulator is pin-to-pin compatible with the other standard. Adjustable voltage regulator maintains the better performances in terms of drop and tolerance.

                      • Low dropout voltage (1V typical)
                      • 2.85V Device performances are suitable for SCSI-2 active termination
                      • Internal current and thermal limit
                      • 75dB (typical) Supply voltage rejection

                      Applications

                      Power Management

                      Technical Specifications

                      Output Type

                      Fixed

                      Input Voltage Max

                      15V

                      Output Voltage Nom

                      1.2V

                      Output Voltage Min

                      -

                      Polarity

                      Positive Output

                      Max Output Current

                      800mA

                      Dropout Voltage - Typ @ Current

                      1.1V

                      IC Case / Package

                      SOT-223

                      Operating Temperature Min

                      0°C

                      Product Range

                      1.2V 800mA LDO Voltage Regulators

                      SVHC

                      No SVHC (21-Jan-2025)

                      Input Voltage Min

                      1.4V

                      No. of Outputs

                      1Outputs

                      Output Voltage - Nom

                      1.2V

                      Output Voltage Max

                      -

                      Output Current Max

                      800mA

                      Dropout Voltage Typ @ Current

                      1.1V

                      IC Mounting

                      Surface Mount

                      No. of Pins

                      3Pins

                      Operating Temperature Max

                      125°C

                      MSL

                      MSL 1 - Unlimited

                      Technical Docs (3)

                      Product Change Notice EN

                      CAD CadSoft_EAGLE EN

                      Technical Data Sheet EN

                      Alternatives for LD1117S12TR

                      1 Product Found

                      Associated Products

                      1 Product Found

                      Legislation and Environmental

                      Country of Origin:
                      Country in which last significant manufacturing process was carried outCountry of Origin:
                      China
                      Country in which last significant manufacturing process was carried out
                      Tariff No:85423100
                      US ECCN:EAR99
                      EU ECCN:NLR
                      RoHS Compliant:Yes

                      RoHS

                      RoHS Phthalates Compliant:Yes

                      RoHS

                      SVHC:No SVHC (21-Jan-2025)
                      Download Product Compliance Certificate

                      Product Compliance Certificate

                      Weight (kg):.0002
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