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This is one of the radio amplifier types.

Part Number: TDA7388

Function: 4 x 45 W Quad Bridge Car Radio Amplifier

Package: Flexiwatt 25 Type

See the preview image and the PDF file for more information.

Image

Description

The TDA7388 is an integrated audio amplifier IC manufactured by STMicroelectronics. It is a four-channel audio amplifier designed for use in car audio systems, and is capable of delivering up to 45W of output power per channel. This IC has a low noise level, high efficiency, and is capable of driving high-impedance loads. It also features a mute function, thermal protection, and a low-power standby mode.

The TDA7388 is an AB class audio power amplifier, packaged in Flexiwatt 25 and designed
for high end car radio applications.

Based on a fully complementary PNP/NPN configuration, the TDA7388 allows a rail to rail
output voltage swing with no need of bootstrap capacitors. The extremely reduced boundary
components count allows very compact sets.

TDA7388 Pinout

Features

1. High output power capability:
(1) 4 x 45 W / 4  max.
(2) 4 x 26 W / 4  @ 14.4 V, 1 kHz, 10 %

2. Low distortion

3. Low output noise

4. Standby function

5. Mute function

6. Automute at min. supply voltage detection

7. Low external component count:
(1) Internally fixed gain (26 dB)
(2) No external compensation
(3) No bootstrap capacitors

TDA7388 Application Circuit

TDA7388 Datasheet PDF

Other data sheets are available within the file: TDA-7388

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Part Number: 78L05

Function: 5V, Positive Voltage Regulator

Package: TO-92, SO-8, SOT-89 Type

Manufacturer: STMicroelectronics

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Description

The 78L05 is a voltage regulator integrated circuit (IC) commonly used in electronics projects. It is a type of voltage regulator that provides a constant voltage output of 5 volts and is commonly used to power small electronic devices, such as microcontrollers, sensors, and displays

The 78L05 series of three-terminal positive regulators employ internal current limiting and hermal shutdown, making them essentially ndestructible. 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 on card 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 voltage regulator series used as Zener diode/resistor combination replacement, offers e improvement along with lower quiescent current and lower noise.

Pinout

Features

1. Output current up to 100 mA

2. Output voltages of 5V thermal overload protection

3. Short-circuit protection

4. No external components are required

5. Available in either ± 4% (A) or ± 8% (C) selection

A voltage regulator is an electronic device that is used to maintain a constant voltage level, regardless of changes in load or input voltage.

78L05 Datasheet PDF

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