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

                      LDL1117S33R

                      LDO Voltage Regulator, Fixed, 2.5 V to 18 V in, 350 mV drop, 3.3 V/1.2 A out, SOT-223-3

                      STMICROELECTRONICS LDL1117S33R
                      Image is for illustrative purposes only. Please refer to product description.
                      ManufacturerSTMICROELECTRONICS
                      Manufacturer Part NoLDL1117S33R
                      Newark Part No.14AC6965
                      Product Range3.3V 1.2A LDO Voltage Regulators
                      Technical Datasheet

                      Data Sheet

                      See all Technical Docs
                      206,782 In Stock

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                      193067 Delivery in 2-4 Business Days(UK stock)
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                      QuantityPrice
                      1+$0.166
                      10+$0.166
                      25+$0.166
                      50+$0.166
                      100+$0.166
                      250+$0.166
                      500+$0.165
                      1000+$0.165
                      Price for:Each (Supplied on Cut Tape)
                      Minimum: 1
                      Multiple: 1
                      $0.17
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                      Product Information

                      ManufacturerSTMICROELECTRONICS
                      Manufacturer Part NoLDL1117S33R
                      Newark Part No.14AC6965
                      Product Range3.3V 1.2A LDO Voltage Regulators
                      Technical Datasheet

                      Data Sheet

                      Output TypeFixed
                      Input Voltage Min2.5V
                      Input Voltage Max18V
                      Fixed Output Voltage Nom3.3V
                      No. of Outputs1Outputs
                      Output Voltage - Nom3.3V
                      Adjustable Output Voltage Min-
                      Output Voltage Nom3.3V
                      Adjustable Output Voltage Max-
                      Output Voltage Min-
                      Output Current1.2A
                      Output Voltage Max-
                      Dropout Voltage Vdo350mV
                      PolarityPositive Output
                      Output Current Max1.2A
                      Max Output Current1.2A
                      LDO Regulator Case StyleSOT-223
                      Output Current Max1.2A
                      Dropout Voltage Typ @ Current0
                      Dropout Voltage Typ @ Current350mV
                      Dropout Voltage - Typ @ Current350mV
                      IC MountingSurface Mount
                      IC Case / PackageSOT-223
                      No. of Pins3Pins
                      Operating Temperature Min-40°C
                      Operating Temperature Max125°C
                      Product Range3.3V 1.2A LDO Voltage Regulators
                      MSL-
                      SVHCNo SVHC (21-Jan-2025)

                      Product Overview

                      LDL1117S33R is a 1.2A high PSRR low-dropout linear voltage regulator. The high power supply rejection ratio of 87dB at 120Hz, rolling down to more than 40dB at 100KHz, makes the LDL1117 suitable for direct regulations in SMPS and secondary linear regulations in DC-DC converters. This device includes current limit, SOA and thermal protections. Applications include consumer, industrial, SMPS, motherboard P.O.L., DC-DC post-regulation.

                      • Input voltage range from 2.5V to 18V
                      • Internal thermal, current and power limitation, 3.3V output voltage
                      • Hysteresis is 200mV typical at (TJ = 25°C)
                      • VOUT accuracy is 2% maximum at (IOUT = 10mA, TJ = 25°C)
                      • Load regulation is 5mV typical at (IOUT = 10mA to 1.2A, -40°C < TJ < 125°C)
                      • Dropout voltage is 350mV typical at (IOUT = 1.2A, VOUT > 2.5V - 40°C < TJ < 125°C)
                      • Output noise voltage is 60µVRMS/VOUT typical at (10Hz to 100KHz, IOUT = 100mA)
                      • Quiescent current is 250μA typ at (IOUT = 0mA to 1.2A, -40°C < TJ < 125°C)
                      • Operating junction temperature range from -40 to 125°C
                      • SOT223 package

                      Technical Specifications

                      Output Type

                      Fixed

                      Input Voltage Max

                      18V

                      No. of Outputs

                      1Outputs

                      Adjustable Output Voltage Min

                      -

                      Adjustable Output Voltage Max

                      -

                      Output Current

                      1.2A

                      Dropout Voltage Vdo

                      350mV

                      Output Current Max

                      1.2A

                      LDO Regulator Case Style

                      SOT-223

                      Dropout Voltage Typ @ Current

                      0

                      Dropout Voltage - Typ @ Current

                      350mV

                      IC Case / Package

                      SOT-223

                      Operating Temperature Min

                      -40°C

                      Product Range

                      3.3V 1.2A LDO Voltage Regulators

                      SVHC

                      No SVHC (21-Jan-2025)

                      Input Voltage Min

                      2.5V

                      Fixed Output Voltage Nom

                      3.3V

                      Output Voltage - Nom

                      3.3V

                      Output Voltage Nom

                      3.3V

                      Output Voltage Min

                      -

                      Output Voltage Max

                      -

                      Polarity

                      Positive Output

                      Max Output Current

                      1.2A

                      Output Current Max

                      1.2A

                      Dropout Voltage Typ @ Current

                      350mV

                      IC Mounting

                      Surface Mount

                      No. of Pins

                      3Pins

                      Operating Temperature Max

                      125°C

                      MSL

                      -

                      Technical Docs (2)

                      Technical Data Sheet EN

                      Product Change Notice EN

                      Legislation and Environmental

                      US ECCN:EAR99
                      EU ECCN:Unknown
                      RoHS Compliant:Yes

                      RoHS

                      RoHS Phthalates Compliant:Yes

                      RoHS

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

                      Product Compliance Certificate

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