TI Designs High Voltage-Input LDO Regulators for Harsh Environments

Posted by EDA Geek News Staff in Industrial on Wednesday, October 11, 2006
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Texas Instruments Incorporated (TI) (NYSE: TXN) today introduced a family of high voltage-input low-dropout (LDO) linear regulators designed to withstand the requirements for harsh operating environments. The new devices offer a wide input voltage range of up to 45 V, providing transient protection for applications such as automotive body controllers, instrument clusters, automotive audio and telematics.

The TLE4275QKTTRQ1, TL750M05QKTTRQ1 and TL760M33QKTTRQ1 are the first devices from TI to provide a direct connection to the vehicle battery with the ability to withstand load-dump transient conditions, reducing the number of external components needed to protect the LDO. Output stability has been optimized for typical automotive applications and low-cost capacitors.

Additional Key Features

  • 450-750 mA maximum rated output currents
  • Load-Dump, thermal shutdown and over-voltage protection
  • 3.3 V, 5 V and 8 V fixed-output-voltage versions
  • Power-on and under-voltage reset (TLE4275-Q1)
  • Industry-standard TO-263 (D2PAK) packages for maximum power dissipation

high voltage-input low-dropout (LDO) linear regulators

The devices extend TI's extensive portfolio of LDO regulators that cover applications with output currents that range from microamp keep-alive circuits to 7.5-A telecom loads. Additional TI power management products.

Availability
The TLE4275QKTTRQ1, TL750M05QKTTRQ1 and TL760M33QKTTRQ1 are available in volume from TI and its authorized distributors in automotive-qualified 3- and 5-pin D2PAK (KTT) packages.

TI is committed to the automotive market, providing OEMs and system suppliers with a broad digital and analog portfolio of superior-quality, reliable, innovative and cost-effective solutions. TI products address electronics in the car for systems ranging from power train to braking to audio and infotainment. The company has achieved ISO/TS16949:2002 certification at 36 facilities worldwide.

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