MIC5239-3.3YS-TR The Microchip Technology MIC5239-3.3YS-TR is a linear voltage regulator IC with a fixed 3.3V output and a 500mA current capability. It is available in a SOT-223-3 surface mount package.
Mfr Part #:

MIC5239-3.3YS-TR

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MIC5239-3.3YS-TR is a linear voltage regulator IC with a fixed 3.3V output and a 500mA current capability. It is available in a SOT-223-3 surface mount package.
✓ Total Stock: 21,000 pcs
$ Price Range: $0.28

MIC5239-3.3YS-TR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
18,000 pcs
18000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
3,000 pcs
3000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16

MIC5239-3.3YS-TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)

MIC5239-3.3YS-TR Description

Short technical summary and product information.

The MIC5239-3.3YS-TR from Microchip Technology is a linear voltage regulator designed for positive fixed output applications. It provides a stable 3.3V output voltage with a maximum output current of 500mA. The device features a low dropout voltage of 0.35V at 500mA, making it suitable for power-sensitive applications.

 

Key electrical characteristics include a quiescent current of 45 µA and an input voltage range up to 30V. Control features include an enable pin, and protection features encompass over current, over temperature, over voltage, and reverse polarity protection. The operating temperature range is from -40°C to 125°C.

 

This regulator is housed in a SOT-223-3 surface mount package, facilitating easy integration into compact electronic designs. The TO-261-4, TO-261AA package designation also applies. It is supplied in tape and reel packaging.

MIC5239-3.3YS-TR Quick Information

Product Type: Linear Voltage Regulator IC
Canonical Name: MIC5239-3.3YS-TR Linear Voltage Regulator IC
Subcategory: Linear

MIC5239-3.3YS-TR Compliance

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

MIC5239-3.3YS-TR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

MIC5239-3.3YS-TR Features

  • Fixed 3.3V positive output voltage.
  • 500mA maximum output current.
  • Low 0.35V dropout voltage at 500mA.
  • Wide -40°C to 125°C operating temperature.
  • SOT-223-3 surface mount package.

MIC5239-3.3YS-TR Applications

  • Provides stable voltage for sensitive electronics.
  • Suitable for battery-powered devices.
  • Used in power management circuits.
  • Ideal for space-constrained designs.

MIC5239-3.3YS-TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the MIC5239-3.3YS-TR?

The fixed output voltage is 3.3V.

What is the maximum input voltage?

Maximum input voltage is 30V.

What is the dropout voltage at 500mA?

Maximum dropout voltage is 0.35V at 500mA load.

What is the quiescent current?

Typical quiescent current is 45µA.

What is the operating temperature range?

-40°C to 125°C.

What package is the MIC5239-3.3YS-TR available in?

Surface mount SOT-223-3 package (TO-261-4/TO-261AA case).

What protection features does this regulator include?

Over current, over temperature, over voltage, and reverse polarity protection.

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