Very low-dropout voltage regulator with inhibit function

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  • The LEXX is a very low-dropout voltage regulator available in SO-8, TO-92 packages and over a wide range of output voltages.

    The very low-dropout voltage (0.2 V) and low quiescent current make it particularly suitable for low-noise, low-power applications and in battery-powered systems.
    This device is pin-to-pin compatible with the L78L series. Furthermore, in the 8-pin configuration (SO-8), it uses a shutdown logic control (pin 5, TTL compatible). This means that when the device is used as a local regulator, a part of the board can be put in standby, decreasing the total power consumption. In the three-terminal configuration (TO-92), the device is always in on-state. It requires a 2.2 µF capacitor for stability, reducing the component size and cost.

    Key Features

    • Very low-dropout voltage (0.2 V typ.)
    • Very low quiescent current (typ. 50 µA in OFF mode, 0.5 mA in ON mode, no load)
    • Output current up to 100 mA
    • Output voltages: 3 V, 3.3 V, 4.5 V, 5 V, 8 V
    • Internal current and thermal limit
    • Small 2.2 µF capacitor for stability
    • Available in ±1% (A) or ±2% (C) selection at 25 °C
    • Supply voltage rejection: 80 dB (typ.)
    • Temperature range: -40 to 125 °C

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Output Voltage (V) (nom)

5

Output Tolerance (typ)

1

Output Current (A) (nom)

0.1

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Unit Price (US$)

0.36

Quantity

10000

ECCN (US)

EAR99

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CHINA

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Output Voltage (V) (nom)

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Output Current (A) (nom)

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10000

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Output Voltage (V) (nom)

5

Output Tolerance (typ)

2

Output Current (A) (nom)

0.1

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10000

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Output Voltage (V) (nom)

3.3

Output Tolerance (typ)

1

Output Current (A) (nom)

0.1

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0.305

Quantity

10000

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Output Voltage (V) (nom)

3

Output Tolerance (typ)

1

Output Current (A) (nom)

0.1

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0.329

Quantity

10000

ECCN (US)

EAR99

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CHINA

LE50CD-TR

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Unit Price (US$)

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Output Voltage (V) (nom)

5

Output Tolerance (typ)

2

Output Current (A) (nom)

0.1

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Unit Price (US$)

0.305

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LE33CZ-AP

Package

TO-92

Packing Type

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Unit Price (US$)

0.305*

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1

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2517

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Output Voltage (V) (nom)

3.3

Output Tolerance (typ)

1

Output Current (A) (nom)

0.1

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Unit Price (US$)

0.305

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LE50ABZ-AP

Package

TO-92

Packing Type

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Unit Price (US$)

0.32*

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2000

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19570

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Output Voltage (V) (nom)

5

Output Tolerance (typ)

1

Output Current (A) (nom)

0.1

Marketing Status

Active

Unit Price (US$)

0.32

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

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Industrial

RoHS Compliance Grade

Ecopack2

LE50ABZ-AP

Package:

TO-92

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TO-92

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LE50CD-TR

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LE80CD-TR

Package:

SO-8

Material Declaration**:

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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