KF33 The STMicroelectronics KF33 is a 3.3V fixed output VLDO regulator. It features a low dropout voltage of 400mV and an output current of 500mA.
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KF33

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The STMicroelectronics KF33 is a 3.3V fixed output VLDO regulator. It features a low dropout voltage of 400mV and an output current of 500mA.
✓ Total Stock: 900 pcs
$ Price Range: $0.99

KF33 Available from 1 distributor

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✓ Non-Authorised
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KF33 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Input Voltage
Operating Temperature
Output Current
Output Voltage
Quiescent Current

KF33 Description

Short technical summary and product information.

The STMicroelectronics KF33 is a very low drop (VLDO) voltage regulator designed for low noise and low power applications, particularly in battery-powered systems. It provides a fixed output voltage of 3.3V with a maximum output current of 500mA.

 

Key electrical specifications include a minimum input voltage of 4.3V and a maximum input voltage of 20V. The dropout voltage is a low 400mV, and the quiescent current is 500µA, contributing to its suitability for power-sensitive designs. The accuracy of the output voltage is within 2%.

 

This regulator is housed in a TO-252 package and is designed for surface mounting. The operating temperature range is from -125°C to 125°C.

 

Its low quiescent current and low dropout voltage make it ideal for applications requiring efficient power management and stable voltage regulation.

KF33 Quick Information

Product Type: Voltage Regulator
Series: KF33 Series
Canonical Name: KF33 3.3V Fixed Output VLDO Regulator
Subcategory: VLDO Regulator

KF33 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

KF33 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

KF33 Features

  • 3.3V fixed output voltage.
  • Low dropout voltage of 400mV.
  • 500mA maximum output current.
  • Low quiescent current of 500µA.
  • TO-252 surface mount package.

KF33 Applications

  • Suitable for battery-powered systems.
  • Ideal for low noise applications.
  • Designed for low power consumption.
  • Provides stable voltage regulation.

KF33 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the KF33 regulator?

The KF33 regulator has a fixed output voltage of 3.3V.

What is the maximum output current for the KF33?

The KF33 can provide a maximum output current of 500mA.

What is the dropout voltage of the KF33?

The dropout voltage for the KF33 is 400mV.

What is the quiescent current of the KF33?

The quiescent current of the KF33 is 500µA.

What is the operating temperature range for the KF33?

The KF33 operates within a temperature range of -125°C to 125°C.

What package type is the KF33 regulator available in?

The KF33 regulator is available in a TO-252 package.

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