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Product details

Parameters

Output options Adjustable Output Iout (Max) (A) 0.5 Vin (Max) (V) 16 Vin (Min) (V) 2.5 Vout (Max) (V) 6.5 Vout (Min) (V) 1.3 Noise (uVrms) 300 Iq (Typ) (mA) 8 Thermal resistance θJA (°C/W) 116 Load capacitance (Min) (µF) 2.2 Rating Catalog Regulated outputs (#) 1 Features Reverse Voltage Protection Accuracy (%) 2 PSRR @ 100 KHz (dB) 30 Dropout voltage (Vdo) (Typ) (mV) 500 Operating temperature range (C) -40 to 125 open-in-new Find other Linear regulators (LDO)

Package | Pins | Size

SOIC (D) 8 19 mm² 3.91 x 4.9 open-in-new Find other Linear regulators (LDO)

Features

  • Adjustable Output Voltage
  • 1%/2% Accuracy (25°C/Full Range)
  • 500-mV (Maximum) Dropout at Full Load of
    500 mA
  • Tight Regulation Overtemperature Range
    • 0.1%/V (Maximum) Line Regulation
    • 0.7% (Maximum) Load Regulation
  • Ultra Low-Noise Capability (300 nV/√Hz Typical)
  • Shutdown Current of 3 µA (Maximum)
  • Low Temperature Coefficient
  • Current Limiting and Thermal Protection
  • Stable With Minimum Load of 1 mA
  • Reverse-Battery Protection
  • Applications
    • Portable Applications (PDAs, Laptops,
      Cell Phones)
    • Consumer Electronics
    • Post-Regulation for SMPS
  • Available in Convenient SOIC-8 Surface-Mount
    Package
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Description

The TL5209 device is 500-mA low-dropout (LDO) regulator that is well suited for portable applications. It has a lower quiescent current than most traditional PNP regulators and allows for a shutdown current of 0.05 µA (typical). The TL5209 also has very good dropout voltage characteristics, requiring a maximum dropout of 10 mV at light loads and 500 mV at full load. In addition, the LDO also has a 1% output voltage accuracy and very tight line and load regulation that is comparable to its CMOS counterparts.

For noise-sensitive applications, the TL5209 allows for low-noise capability through an external bypass capacitor connected to the BYP pin, which reduces the output noise of the regulator. Other features include current limiting, thermal shutdown, reverse-battery protection, and low temperature coefficient.

The TL5209 is available with adjustable output. Offered in an SOIC-8 surface-mount package, the TL5209 is characterized for operation over the virtual junction temperature ranges of –40°C to 125°C.

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Technical documentation

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Type Title Date
* Datasheet TL5209 500-mA Low-Noise Low-Dropout Voltage Regulator With Shutdown datasheet (Rev. B) Jun. 17, 2015
* Errata Notification for Clarification of Added Specification to TL5209 May 25, 2007
Application notes LDO Noise Demystified (Rev. B) Aug. 18, 2020
Technical articles LDO basics: capacitor vs. capacitance Aug. 01, 2018
Technical articles LDO Basics: Preventing reverse current Jul. 25, 2018
Technical articles LDO basics: introduction to quiescent current Jun. 20, 2018
Application notes LDO PSRR Measurement Simplified (Rev. A) Aug. 09, 2017
Technical articles LDO basics: noise – part 1 Jun. 14, 2017

Design & development

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Hardware development

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CAD/CAE symbols

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SOIC (D) 8 View options

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