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LE55CZ The STMicroelectronics LE55CZ is a linear voltage regulator providing a fixed 5.5V output at up to 100mA. It features a low dropout voltage and operates across a wide temperature range.
Mfr Part #:

LE55CZ

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LE55CZ is a linear voltage regulator providing a fixed 5.5V output at up to 100mA. It features a low dropout voltage and operates across a wide temperature range.
✓ Total Stock: 5,500 pcs
$ Price Range: $0.30

LE55CZ Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
5,500 pcs
On Request
5500 pcs On Request 1 On Request On Request On Request On Request On Request
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LE55CZ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Quiescent Current
Supplier Device Package
Supplier Package
Tape & Reel
Voltage
Voltage Dropout (Max)
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LE55CZ Description

Short technical summary and product information.

The STMicroelectronics LE55CZ is a linear voltage regulator designed for low-power applications. It offers a stable 5.5V output voltage with a maximum output current of 100mA. The device boasts a very low dropout voltage of 0.5V at 100mA, making it suitable for battery-powered systems where voltage efficiency is critical.

 

Key electrical characteristics include a typical quiescent current of 50 µA in standby and 0.5 mA in operation, along with a supply voltage rejection ratio (PSRR) of 76dB to 60dB across a frequency range of 120Hz to 10kHz. The regulator includes internal current and thermal limit protection features.

 

Packaged in a TO-92-3 (TO-226-3) through-hole configuration, the LE55CZ is designed for easy integration into existing circuit boards. It operates reliably within a temperature range of -40°C to 125°C, ensuring performance in various environmental conditions. Stability is achieved with a minimal 2.2 µF capacitor.

 

This regulator is pin-to-pin compatible with older L78Lxx series and is suitable for applications requiring a reliable and efficient positive fixed voltage source.

LE55CZ Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: STMicroelectronics LE55CZ Linear Voltage Regulator
Subcategory: Voltage Regulators

LE55CZ Compliance

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

LE55CZ Estimated Pricing

Qty Low High
1+ $0.30 $0.30

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

LE55CZ Features

  • Fixed 5.5V output voltage.
  • 100mA maximum output current.
  • Low 0.5V dropout voltage.
  • Wide -40°C to 125°C operating temperature.
  • TO-92-3 through-hole package.

LE55CZ Applications

  • Suitable for battery-powered systems.
  • Low noise power supply applications.
  • General purpose voltage regulation.
  • Compatible with older L78Lxx series.

LE55CZ FAQs

5 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LE55CZ?

The LE55CZ provides a nominal output voltage of 5.5V.

What is the maximum output current for the LE55CZ?

The LE55CZ can supply a maximum output current of 100mA.

What is the dropout voltage of the LE55CZ at 100mA?

The dropout voltage for the LE55CZ is a maximum of 0.5V at 100mA.

What is the operating temperature range for the LE55CZ?

The LE55CZ operates within a temperature range of -40°C to 125°C.

What package type is the LE55CZ available in?

The LE55CZ is available in a TO-92-3 (TO-226-3) package for through-hole mounting.

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