STMicroelectronics KF33 series Linear Voltage Regulators

Comprehensive Guide to KF33 Integrated Circuits (ICs) Linear Voltage Regulators

This post lists the Key Component Features, Diverse Applications, Associated Series Parts, Technical Documents(PDF Datasheets, User Guides), Frequently asked questions, and Related Series of STMicroelectronics KF33 series Linear Voltage Regulators products.

FEATURES

  • Very low dropout voltage (0.4 V)
  • Very low quiescent current
Applications

  • Industrial transport (non-car & non-light truck)
Associated Products

Part NumberDescriptionStockRFQ
KF33BDT-TRSTMICROELECTRONICS - KF33BDT-TR - Fixed LDO Voltage Regulator, 5.3V to 20V, 400mV Dropout, 3.3Vout, 500mAout, TO-252-37500RFQ
KF33BD-TRSTMICROELECTRONICS - KF33BD-TR - Fixed LDO Voltage Regulator, 5.3V to 20V, 400mV Dropout, 3.3Vout, 1Aout, SOIC-811027RFQ
Technical Documents

The KF33 series are very low drop regulators available in SO-8 and DPAK packages and in a wide range of output voltages. The very low dropout voltage (0.4 V) and the very low quiescent current make them particularly suitable for low noise, low power applications and especially in battery powered systems

Frequently Asked Questions

What are the similar products or Substitute Components of STMicroelectronics KF33 series Linear Voltage Regulators

Texas Instruments LM317: The LM317 is a popular linear voltage regulator that offers a wide input voltage range and adjustable output voltage. It is available in various package options and can provide a regulated output voltage up to 1.5A.  Analog Devices ADP7142: The ADP7142 is a low dropout linear regulator designed for applications requiring low noise and high PSRR (Power Supply Rejection Ratio). It provides a fixed or adjustable output voltage and has a current rating of up to 1A.  ON Semiconductor NCP1117: The NCP1117 is a series of low dropout linear voltage regulators that offer a wide input voltage range and fixed output voltages. It is available in different packages and can provide a regulated output voltage up to 1A.

What is the difference between fixed and adjustable voltage regulators?

A voltage regulator generates a fixed output voltage of a preset magnitude that remains constant regardless of changes to its input voltage or load conditions. There are two types of voltage regulators: linear and switching