78M05 Datasheet – Positive +5V, Voltage Regulator – ST

 

Part Number: 78M05, L78M05

Functions: 0.5A, 5V Posive Voltage Regulator

Package: DPAK, TO-220

Manufacturer: STMicroelectronics

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78M05 voltage regulator

Description

The 78M05, L78M00 series of three-terminal positive regulators is available in TO-220, ISOWATT220, SOT-82, SOT-194 and DPAK packages and with several fixed output voltages, making it useful in a wide range of applications. These regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. Each type employs internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 0.5A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.

Pinout

78M05 datasheet pinout

 

Features

1. OUTPUT CURRENT TO 0.5A

2. OUTPUT VOLTAGES OF 5V

3. THERMAL OVERLOAD PROTECTION

4. SHORT CIRCUIT PROTECTION

5. OUTPUT TRANSISTOR SOA PROTECTION

 

78M05 Datasheet

78M05 pdf


 

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78L33 PDF Datasheet – 3.3V, Voltage Regulator

This post explains for the Voltage Regulator. This is an electronic device that is used to maintain a constant voltage level, regardless of changes in load or input voltage.

The Part Number is 78L33.

The function of this semiconductor is Positive 3.3V, Voltage Regulator.

The package is TO-92 Type

Manufacturer: STMicroelectronics

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78L33 Regulator

Description

The 78L33 series of three-terminal positive regulators employ internal current limiting and thermal shutdown, making them essentially indestructible. If adequate heat-sink is provided, they can deliver up to 100 mA output current. They are intended as fixed voltage regulators in a wide range of applications including local or oncard regulation for elimination of noise and distribution problems associated with single-point regulation.

In addition, they can be used with power pass elements to make high-current voltage regulators. The L78L series used as Zener diode/resistor combination replacement, offers e improvement along with lower quiescent current and lower noise.

1 page
78L33 pinout datasheet

 

Features

1. Output current up to 100 mA

2. Output voltages of 3.3 V thermal overload protection

3. Short-circuit protection

4. No external components are required

 

 

78L33 PDF Datasheet

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