LT1175IS8

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LT1175IS8

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LDO Voltage Regulators LT1175 - 500mA Negative Low Dropout Micropower Regulator

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  • Bảng dữ liệu LT1175IS8 DataSheet

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Description

The LT1175IS8 is a low-dropout (LDO) linear voltage regulator designed by Linear Technology (now part of Analog Devices). It is tailored for applications requiring efficient voltage regulation with minimal power loss. The "IS8" in its name indicates the device's package type, which is an 8-pin SOIC (Small Outline Integrated Circuit).
Key features of the LT1175IS8 include:
1. Low Dropout Voltage: Allows the regulator to maintain output voltage regulation with a minimal difference between input and output voltages.
2. High Efficiency: Minimizes power dissipation, making it suitable for battery-operated devices.
3. Current Limiting and Thermal Protection: Protects the device from overload and overheating.
4. Adjustable Output: The output voltage can be set using external resistors.
5. Wide Input Voltage Range: Enhances versatility in different applications.
The LT1175IS8 is commonly used in systems where energy efficiency and reliable voltage regulation are critical, such as portable electronics, communication devices, and industrial equipment.

Equivalent

The LT1175IS8 is a low-dropout (LDO) linear voltage regulator by Linear Technology (now part of Analog Devices). Equivalent or similar products from other manufacturers include:
1. MIC29302 by Microchip Technology
2. LM2940 by Texas Instruments
3. LT1963 by Analog Devices
4. LP38502 by Texas Instruments
These alternatives may offer similar voltage and current specifications, but always check the datasheets for compatibility with your specific application.

Features

The LT1175IS8 is a low-dropout (LDO) linear voltage regulator designed by Linear Technology (now part of Analog Devices). Here are its key features:
1. Low Dropout Voltage: The LT1175IS8 offers a low dropout voltage, which is approximately 500mV at full load, enabling efficient regulation close to the input voltage.
2. Output Current: It can provide a maximum output current of up to 500mA, suitable for moderate power applications.
3. Input Voltage Range: The device supports a wide input voltage range, typically from 4V to 20V, which makes it versatile for various power supply applications.
4. Output Voltage Options: The regulator is available with fixed output voltage options, such as 5V, or can be adjusted using external resistors.
5. Low Quiescent Current: It features low quiescent current, enhancing its efficiency in battery-powered systems.
6. Protection Features: The LT1175IS8 includes thermal shutdown and current limiting to protect against overload conditions.
7. Package: It is offered in a compact 8-pin SOIC package, facilitating ease of integration in circuit designs.
These features make the LT1175IS8 suitable for applications requiring efficient power regulation with minimal voltage loss.

Pinout

The LT1175IS8 is a low dropout (LDO) voltage regulator integrated circuit. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. IN (Pin 1): Input voltage supply.
2. OUT (Pin 2): Regulated output voltage.
3. SENSE (Pin 3): Senses the output voltage for regulation; it can be connected at a remote point to eliminate line voltage drops.
4. SHUTDOWN (Pin 4): Turns off the regulator when pulled low, reducing the quiescent current to microamp levels.
5. GND (Pin 5): Ground reference for the circuit.
6. ADJ (Pin 6): Adjust pin used for setting the output voltage; connecting it to a resistor divider network allows for variable output voltage.
7. NC (Pin 7): No connection, not used in operation.
8. NC (Pin 8): No connection, not used in operation.
This LDO is designed for low dropout, high current applications, providing efficient voltage regulation with minimal power loss.

Manufacturer

The LT1175IS8 is a product manufactured by Linear Technology Corporation. Linear Technology was a company specializing in the design, manufacturing, and marketing of high-performance analog integrated circuits. In 2017, Linear Technology was acquired by Analog Devices, Inc., a major player in the semiconductor industry known for its analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These components are used in a wide range of applications, including communications, computing, instrumentation, industrial, automotive, and consumer electronics.

Application

The LT1175IS8 is a low-dropout (LDO) voltage regulator designed for applications requiring efficient power management. Its application areas include:
1. Battery-Powered Devices: Ideal for prolonging battery life in portable electronics like smartphones and tablets.
2. Industrial Equipment: Suitable for providing stable voltage supplies in harsh industrial environments.
3. Telecommunications: Used in power regulation for communication devices and networking equipment.
4. Automotive Systems: Ensures reliable power supply in automotive electronics and infotainment systems.
5. Consumer Electronics: Provides power efficiency and stability for devices such as laptops and LCD monitors.
6. Medical Devices: Supports reliable operation in portable and non-portable medical equipment requiring precise voltage regulation.
Its low dropout voltage and ability to handle varying input conditions make it versatile across these sectors.

Package

The LT1175IS8 is an integrated circuit packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package. This type of package is commonly used for surface-mount technology, allowing the chip to be mounted directly onto the surface of a printed circuit board (PCB).

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