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

TPS734

AKTIV

Low-Dropout-Spannungsregler, 250 mA, mit geringem Ruhestrom und Aktivierung

Produktdetails

Rating Catalog Vin (max) (V) 6.5 Vin (min) (V) 2.7 Iout (max) (A) 0.25 Output options Adjustable Output, Fixed Output Vout (max) (V) 6.3 Vout (min) (V) 1.2 Fixed output options (V) 1, 1.8, 3, 3.3 Noise (µVrms) 28 PSRR at 100 KHz (dB) 28 Iq (typ) (mA) 0.044 Features Enable Thermal resistance θJA (°C/W) 65 Load capacitance (min) (µF) 2 Regulated outputs (#) 1 Accuracy (%) 2 Dropout voltage (Vdo) (typ) (mV) 125 Operating temperature range (°C) -40 to 125
Rating Catalog Vin (max) (V) 6.5 Vin (min) (V) 2.7 Iout (max) (A) 0.25 Output options Adjustable Output, Fixed Output Vout (max) (V) 6.3 Vout (min) (V) 1.2 Fixed output options (V) 1, 1.8, 3, 3.3 Noise (µVrms) 28 PSRR at 100 KHz (dB) 28 Iq (typ) (mA) 0.044 Features Enable Thermal resistance θJA (°C/W) 65 Load capacitance (min) (µF) 2 Regulated outputs (#) 1 Accuracy (%) 2 Dropout voltage (Vdo) (typ) (mV) 125 Operating temperature range (°C) -40 to 125
WSON (DRV) 6 4 mm² (2 mm × 2 mm) SOT-23-THN (DDC) 5 8.12 mm² (2.9 mm × 2.8 mm)
  • 250mA Low Dropout Regulator with EN
  • Low IQ: 44µA
  • Multiple Output Voltage Versions Available:
    • Fixed Outputs of 1.0V to 4.3V Using Innovative Factory EEPROM Programming
    • Adjustable Outputs from 1.25V to 6.2V
  • High PSRR: 60dB at 1kHz
  • Ultra-low Noise: 28µVRMS
  • Fast Start-Up Time: 45µs
  • Stable with a Low-ESR, 2.0µF Typical Output Capacitance
  • Excellent Load/Line Transient Response
  • 2% Overall Accuracy (Load/Line/Temp)
  • Very Low Dropout: 125mV at 250mA
  • ThinSOT-23, 2mm × 2mm SON-6, and 3mm × 3mm SON-8 Packages
  • APPLICATIONS
    • WiFi, WiMax
    • Printers
    • Cellular Phones, SmartPhones
    • Handheld Organizers, PDAs

All trademarks are the property of their respective owners.

  • 250mA Low Dropout Regulator with EN
  • Low IQ: 44µA
  • Multiple Output Voltage Versions Available:
    • Fixed Outputs of 1.0V to 4.3V Using Innovative Factory EEPROM Programming
    • Adjustable Outputs from 1.25V to 6.2V
  • High PSRR: 60dB at 1kHz
  • Ultra-low Noise: 28µVRMS
  • Fast Start-Up Time: 45µs
  • Stable with a Low-ESR, 2.0µF Typical Output Capacitance
  • Excellent Load/Line Transient Response
  • 2% Overall Accuracy (Load/Line/Temp)
  • Very Low Dropout: 125mV at 250mA
  • ThinSOT-23, 2mm × 2mm SON-6, and 3mm × 3mm SON-8 Packages
  • APPLICATIONS
    • WiFi, WiMax
    • Printers
    • Cellular Phones, SmartPhones
    • Handheld Organizers, PDAs

All trademarks are the property of their respective owners.

The TPS734xx family of low-dropout (LDO), low-power linear regulators offers excellent ac performance with very low ground current. High power-supply rejection ratio (PSRR), low noise, fast start-up, and excellent line and load transient response are provided while consuming a very low 44µA (typical) ground current. The TPS734xx is stable with ceramic capacitors and uses an advanced BiCMOS fabrication process to yield a typical dropout voltage of 125mV at 250mA output. The TPS734xx uses a precision voltage reference and feedback loop to achieve overall accuracy of 2% over all load, line, process, and temperature variations. It is fully specified from TJ = -40°C to +125°C and is offered in low-profile ThinSOT-23, 2mm × 2mm SON, and 3mm × 3mm SON packages that are ideal for wireless handsets, printers, and WLAN cards.

The TPS734xx family of low-dropout (LDO), low-power linear regulators offers excellent ac performance with very low ground current. High power-supply rejection ratio (PSRR), low noise, fast start-up, and excellent line and load transient response are provided while consuming a very low 44µA (typical) ground current. The TPS734xx is stable with ceramic capacitors and uses an advanced BiCMOS fabrication process to yield a typical dropout voltage of 125mV at 250mA output. The TPS734xx uses a precision voltage reference and feedback loop to achieve overall accuracy of 2% over all load, line, process, and temperature variations. It is fully specified from TJ = -40°C to +125°C and is offered in low-profile ThinSOT-23, 2mm × 2mm SON, and 3mm × 3mm SON packages that are ideal for wireless handsets, printers, and WLAN cards.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt 250mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Reg datasheet (Rev. F) 04.02.2009
Anwendungshinweis LDO Noise Demystified (Rev. B) PDF | HTML 18.08.2020
Whitepaper The ultra-low-power USB revolution (Rev. A) 26.02.2019
Auswahlhilfe Low Dropout Regulators Quick Reference Guide (Rev. P) 21.03.2018
Anwendungshinweis LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 09.08.2017
Anwendungshinweis Packaging Limits Range of Linear Regulators 08.05.2010

Design und Entwicklung

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Evaluierungsplatine

TPS73401DRVEVM-527 — TPS73401DRVEVM-527-Evaluierungsmodul

The TPS73401DRVEVM-527 facilitates evaluation of the TPS73401 single output, 250mA LDO in the DRV (2mm x 2mm SON) package.
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
WSON (DRV) 6 Ultra Librarian
SOT-23-THN (DDC) 5 Ultra Librarian

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