Startseite Energiemanagement Linear- und Low-Dropout-Regler (LDO)
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Energiemanagement
Linear- und Low-Dropout-Regler (LDO)

TLV1117LV

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1-A-Low-Drop-Out-Spannungsregler

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Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
TLV757P AKTIV Hochpräziser Spannungsregler mit niedrigem IQ, 1 A, mit Aktivierung Higher accuracy and PSRR in a smaller package with similar thermal performance

TLV1117LV

AKTIV
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Produktdetails

Output options Fixed Output Iout (max) (A) 1 Vin (max) (V) 5.5 Vin (min) (V) 2 Vout (max) (V) 3.3 Vout (min) (V) 1.2 Fixed output options (V) 1.2, 1.5, 1.8, 2.5, 2.8, 3, 3.3 Rating Catalog Noise (µVrms) 60 PSRR at 100 KHz (dB) 50 Iq (typ) (mA) 0.05 Thermal resistance θJA (°C/W) 63 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 1.3 Dropout voltage (Vdo) (typ) (mV) 570 Operating temperature range (°C) -40 to 125
Output options Fixed Output Iout (max) (A) 1 Vin (max) (V) 5.5 Vin (min) (V) 2 Vout (max) (V) 3.3 Vout (min) (V) 1.2 Fixed output options (V) 1.2, 1.5, 1.8, 2.5, 2.8, 3, 3.3 Rating Catalog Noise (µVrms) 60 PSRR at 100 KHz (dB) 50 Iq (typ) (mA) 0.05 Thermal resistance θJA (°C/W) 63 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 1.3 Dropout voltage (Vdo) (typ) (mV) 570 Operating temperature range (°C) -40 to 125
SOT-223 (DCY) 4 45.5 mm² 6.5 x 7
  • Typical accuracy: 1.5%
  • Low IQ: 100 µA (maximum)
    • 500 times lower than standard 1117 devices
  • VIN: 2 V to 5.5 V
    • Absolute maximum VIN: 6 V
  • Stable With 0-mA output current
  • Low dropout: 455 mV at 1 A for VOUT = 3.3 V
  • High PSRR: 65 dB at 1 kHz
  • Minimum specified current limit: 1.1 A
  • Stable with cost-effective ceramic capacitors:
    • With 0-Ω ESR
  • Temperature range: –40°C to +125°C
  • Thermal shutdown and overcurrent protection
  • For drop-in replacement with upgraded functionality, see the TLV761
  • Available in a SOT-223 package
    • See the Mechanical, Packaging, and Orderable Information section at the end of this document for a complete list of available voltage options.
  • Typical accuracy: 1.5%
  • Low IQ: 100 µA (maximum)
    • 500 times lower than standard 1117 devices
  • VIN: 2 V to 5.5 V
    • Absolute maximum VIN: 6 V
  • Stable With 0-mA output current
  • Low dropout: 455 mV at 1 A for VOUT = 3.3 V
  • High PSRR: 65 dB at 1 kHz
  • Minimum specified current limit: 1.1 A
  • Stable with cost-effective ceramic capacitors:
    • With 0-Ω ESR
  • Temperature range: –40°C to +125°C
  • Thermal shutdown and overcurrent protection
  • For drop-in replacement with upgraded functionality, see the TLV761
  • Available in a SOT-223 package
    • See the Mechanical, Packaging, and Orderable Information section at the end of this document for a complete list of available voltage options.

The TLV1117LV low-dropout (LDO) linear regulator is a low input voltage version of the popular TLV1117 voltage regulator.

The TLV1117LV is an extremely low-power device that consumes 500 times lower quiescent current than traditional 1117 voltage regulators, making the device designed for applications that mandate very low standby current. The TLV1117LV LDO is also stable with 0 mA of load current; there is no minimum load requirement, making the device a good choice for applications where the regulator must power very small loads during standby in addition to large currents on the order of 1 A during normal operation. The TLV1117LV offers excellent line and load transient performance, resulting in very small magnitude undershoots and overshoots of output voltage when the load current requirement changes from less than 1 mA to more than 500 mA.

A precision band-gap and error amplifier provides 1.5% accuracy. A very high power-supply rejection ratio (PSRR) enables use of the device for post-regulation after a switching regulator. Other valuable features include low output noise and low-dropout voltage.

The device is internally compensated to be stable with 0-Ω equivalent series resistance (ESR) capacitors. These key advantages enable the use of cost-effective, small-size ceramic capacitors. Cost-effective capacitors that have higher bias voltages and temperature derating can also be used if desired.

The TLV1117LV is available in a SOT-223 package.

The TLV1117LV low-dropout (LDO) linear regulator is a low input voltage version of the popular TLV1117 voltage regulator.

The TLV1117LV is an extremely low-power device that consumes 500 times lower quiescent current than traditional 1117 voltage regulators, making the device designed for applications that mandate very low standby current. The TLV1117LV LDO is also stable with 0 mA of load current; there is no minimum load requirement, making the device a good choice for applications where the regulator must power very small loads during standby in addition to large currents on the order of 1 A during normal operation. The TLV1117LV offers excellent line and load transient performance, resulting in very small magnitude undershoots and overshoots of output voltage when the load current requirement changes from less than 1 mA to more than 500 mA.

A precision band-gap and error amplifier provides 1.5% accuracy. A very high power-supply rejection ratio (PSRR) enables use of the device for post-regulation after a switching regulator. Other valuable features include low output noise and low-dropout voltage.

The device is internally compensated to be stable with 0-Ω equivalent series resistance (ESR) capacitors. These key advantages enable the use of cost-effective, small-size ceramic capacitors. Cost-effective capacitors that have higher bias voltages and temperature derating can also be used if desired.

The TLV1117LV is available in a SOT-223 package.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TLV1117LV 1-A, Positive Fixed-Voltage, Low-Dropout Regulator datasheet (Rev. C) PDF | HTML 18 Jan 2023
Application note LDO Noise Demystified (Rev. B) PDF | HTML 18 Aug 2020
Application note A Topical Index of TI LDO Application Notes (Rev. F) 27 Jun 2019
Selection guide Low Dropout Regulators Quick Reference Guide (Rev. P) 21 Mär 2018
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 09 Aug 2017
More literature The Differences Between TLV1117LV and TLV1117 02 Aug 2011
EVM User's guide TLV1117LVxxEVM-714 Evaluation Module User's Guide (Rev. B) 26 Mai 2011

Design und Entwicklung

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Simulationsmodell

TLV1117LV12 PSpice Transient Model

SLVM168.ZIP (32 KB) - PSpice Model
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Simulationsmodell

TLV1117LV12 TINA-TI Reference Design

SBVM523.TSC (58 KB) - TINA-TI Reference Design
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Simulationsmodell

TLV1117LV12 TINA-TI Transient Spice Model

SBVM524.ZIP (6 KB) - TINA-TI Spice Model
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Simulationsmodell

TLV1117LV15 PSpice Transient Model

SBVM175.ZIP (32 KB) - PSpice Model
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TLV1117LV18 PSpice Transient Model

SLVM169.ZIP (32 KB) - PSpice Model
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TLV1117LV25 PSpice Transient Model

SBVM129.ZIP (32 KB) - PSpice Model
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TLV1117LV28 PSpice Transient Model

SBVM177.ZIP (32 KB) - PSpice Model
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TLV1117LV30 PSpice Transient Model

SBVM176.ZIP (32 KB) - PSpice Model
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Simulationsmodell

TLV1117LV33 PSpice Transient Model

SLVM170.ZIP (32 KB) - PSpice Model
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Referenzdesigns

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
SOT-223 (DCY) 4 Ultra Librarian
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Bestellen & Qualität

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