Home>Components>LM78L Linear Regulator: Features, Speicifications and Applications

LM78L Linear Regulator: Features, Speicifications and Applications

Q: 1.What is the voltage output of a LM78xx?

An easy way to remember the voltage output by an LM78XX series of voltage regulators is the last two digits of the number. An LM7805 ends with "05"; thus, it outputs 5 volts.

Q: 2.What's the difference between a 78 and a LM79xx?

The "78" part is just the convention that the chip makers use to denote the series of regulators that output positive voltage. The other series of regulators, the LM79XX, is the series that outputs negative voltage. So: LM78XX: Voltage regulators that output positive voltage, "XX"=voltage output.

Q: 4.Which is the best Sot package for lm78l?

They are suitable for applications that required a supply current up to 100mA. • The LM78L is available in TO-92, SOT-89, SOT-223, and SOP-8 packages.

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Published: 26 May 2021 | Last Updated: 26 May 2021

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datasheet pdf and product details from stock available at Utmel

Purchase Guide

The LM78L series (LM78Lxx throughout this document) of three terminal positive regulators is available with several fixed output voltages, making them useful in a wide range of applications. Used as a Zener-diode and resistor combination replacement, the LM78Lxx usually provides an effective output impedance improvement of two orders of magnitude and lower quiescent current.

Catalog

LM78L Description

The LM78L series (LM78Lxx throughout this document) of three-terminal positive regulators is available with several fixed output voltages, making them useful in a wide range of applications. Used as a Zener-diode and resistor combination replacement, the LM78Lxx usually provides an effective output impedance improvement of two orders of magnitude and lower quiescent current. These regulators can provide local, on-card regulation, eliminating distribution problems associated with single-point regulation. The available voltages allow the LM78Lxx to be used in logic systems, instrumentation, HiFi, and other solid-state electronic equipment. The LM78Lxx is available in the plastic TO-92 (LP) package, the SOIC (D) package, and a chip-sized package (8-Bump DSBGA) using TI's DSBGA package technology. With adequate heat sinking, the regulator can deliver a 100-mA output current. Current limiting is included to limit the peak output current to a safe value. Safe area protection for the output transistors is provided to limit internal power dissipation. If internal power dissipation is too high for the heat sinking provided, the thermal shutdown circuit prevents the IC from overheating.

LM78L Features

• For lower cost alternative, see the UA78L

• Input voltage up to 30 V

• Output voltage tolerances of ±5% over the temperature range

• Available output voltages: 5 V, 6.2 V, 8.2 V, 9 V, 12 V, and 15 V

• Output current of 100 mA

• Output transistor safe area protection • Internal thermal overload protection • Internal short-circuit current limit

• No external components

• Available in tiny DSBGA package

• Available in 3-pin TO-92 and 8-pin SOIC low profile packages

LM78L Pins

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Specifications

technical specifications, attributes, parameters and parts with similar specifications to .

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LM78L Applications

• Battery chargers

• Portable instrumentation

• LED lighting

• Appliances

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Frequently Asked Questions

1.What is the voltage output of a LM78xx?

An easy way to remember the voltage output by an LM78XX series of voltage regulators is the last two digits of the number. An LM7805 ends with "05"; thus, it outputs 5 volts.

2.What's the difference between a 78 and a LM79xx?

The "78" part is just the convention that the chip makers use to denote the series of regulators that output positive voltage. The other series of regulators, the LM79XX, is the series that outputs negative voltage. So: LM78XX: Voltage regulators that output positive voltage, "XX"=voltage output.

3.What can the LM78Lxx be used for?

The available voltages allow the LM78Lxx to be used in logic systems, instrumentation, HiFi, and other solid-state electronic equipment. The LM78Lxx is available in the plastic TO-92 (LP) package, the SOIC (D) package, and a chip-sized package (8-Bump DSBGA) using TI's DSBGA package technology.

4.Which is the best Sot package for lm78l?

They are suitable for applications that required a supply current up to 100mA. • The LM78L is available in TO-92, SOT-89, SOT-223, and SOP-8 packages.

5.Is the lm78l series a terminal positive regulator?

The LM78L series (LM78Lxx throughout this document) of three-terminal positive regulators is available with several fixed output voltages, making them useful in a wide range of applications.

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