LT1175IST-5

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LT1175IST-5

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IC REG LIN -5V 500MA SOT-223-3

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仕様

属性 値
Part Status Obsolete
Output Configuration Negative
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) -20V
Voltage - Output (Min / Fixed) -5V
Voltage Dropout (Max) 0.7V @ 500mA
Current - Output 500mA
Current - Quiescent (Iq) 80 µA
PSRR 60db ~ 15dB (1kHz ~ 100kHz)
Control Features Current Limit, Enable
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case TO-261-4, TO-261AA
Supplier Device Package SOT-223-3
Base Product Number LT1175

概要

Description

The LT1175IST-5 is a precision voltage reference and low-dropout (LDO) linear regulator designed by Linear Technology (now part of Analog Devices). It provides a stable output voltage of 5V with a typical output noise of 15μVRMS, making it ideal for sensitive applications. The device features a low dropout voltage of 0.1V at a 100mA load, enabling efficient operation even with minimal input-to-output voltage differences.
It supports a wide input voltage range, typically from 4.5V to 20V, and maintains high accuracy with a tolerance of ±1%. The LT1175IST-5 is designed for use in a variety of applications, including precision analog circuits, battery-powered devices, and telecommunications.
The device comes in a compact 3-lead SOT-23 package, facilitating easy integration into space-constrained designs. Its thermal shutdown and overcurrent protection features enhance reliability and safety. Overall, the LT1175IST-5 is an excellent choice for designers seeking a robust, low-noise voltage reference and regulator solution.

Equivalent

Equivalent products to the LT1175IST-5 include the LM1117-5.0, MIC5219-5.0, and MCP1700-5002E. These are low-dropout (LDO) voltage regulators with similar specifications. Always verify specific parameters like output current, dropout voltage, and thermal performance for compatibility in your application.

Features

The LT1175IST-5 is a precision voltage reference and regulator from Analog Devices. Key features include:
1. Output Voltage: Provides a fixed output of 5V, ideal for powering analog circuits.
2. Low Drift: Offers low temperature coefficients, ensuring stable output with minimal variation over temperature changes.
3. High Accuracy: Features a high initial accuracy, typically within ±1.5% at 25°C.
4. Low Noise: Provides low output noise, making it suitable for sensitive applications.
5. Wide Supply Voltage Range: Operates effectively with a supply voltage range from 7V to 40V.
6. Short Circuit Protection: Includes built-in protection to prevent damage during fault conditions.
7. Thermal Regulation: Maintains output voltage stability across a range of temperatures.
8. Compact Package: Available in an 8-lead SOIC package, facilitating easy integration into compact designs.
These features make the LT1175IST-5 a reliable choice for precision voltage regulation in various electronic applications.

Pinout

The LT1175IST-5 is a precision voltage reference from Analog Devices, featuring a 5V output. It comes in a 5-lead SOT-23 package, which gives it a pin count of 5.
The pins are designated as follows:
1. VOUT: The output voltage pin providing a stable 5V reference.
2. GND: Ground pin to complete the circuit.
3. REF: Reference pin used for adjusting the output voltage if needed.
4. COMP: Compensation pin for stability in specific applications.
5. NC: No connection; this pin is not used.
This component is known for its low output noise and temperature coefficient, making it suitable for precision applications in various electronic circuits.

Manufacturer

The LT1175IST-5 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is headquartered in Norwood, Massachusetts, and serves various industries, including communications, automotive, industrial, and consumer electronics.
Analog Devices is well-known for its innovative products that enhance the performance of electronic systems. The LT1175IST-5 is a high-performance voltage reference, part of the company's extensive portfolio of precision analog components, which are widely used in applications requiring accurate voltage regulation and low noise.
Overall, Analog Devices plays a crucial role in advancing technology across a range of sectors, providing solutions that enable efficient and reliable electronic designs.

Application

The LT1175IST-5 is a precision voltage reference that is widely used in various applications, including:
1. Data Acquisition Systems: Provides stable reference voltages for accurate signal conversion.
2. Instrumentation: Ensures precise measurements in laboratory instruments.
3. Analog-to-Digital Converters (ADCs): Supplies a reference voltage to improve conversion accuracy.
4. Digital Signal Processing: Maintains voltage stability in DSP circuits.
5. Power Management: Used in voltage regulation circuits to maintain consistent performance.
6. Telecommunications: Offers reliable voltage reference in communication devices.
Its high precision and low temperature coefficient make it suitable for critical applications.

Package

The LT1175IST-5 is packaged in a 5-lead TSOT-23 (Thin Shrink Outline Transistor) package.

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