LTC1174CS8

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LTC1174CS8

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  • メーカー品番 #LTC1174CS8

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仕様

属性
Package/Case SOIC-8
MinimumOperatingTemperature 0 C
MaximumOperatingTemperature + 70 C
Series LTC1174
Brand Analog Devices
ProductType Switching Voltage Regulators
Subcategory PMIC - Power Management ICs
MountingStyle SMD/SMT
ShippingRestrictions Mouser does not presently sell this product in your region.
OperatingSupplyCurrent 130 uA
Topology Buck, Inverting
OutputVoltage Adjustable
OutputCurrent 432 mA
NumberofOutputs 1 Output
InputVoltage-Min 4 V
InputVoltage-Max 13.5 V
SwitchingFrequency 200 kHz
Height 1.75 mm

概要

Description

The LTC1174CS8 is a highly integrated power management IC designed for use in battery-operated and space-constrained applications. It functions as a buck converter, capable of converting higher input voltages down to lower output levels with high efficiency. The device features a wide input voltage range, typically from 4.5V to 30V, making it versatile for various power sources.
With a maximum output current of 1A, the LTC1174CS8 is suitable for driving loads in portable devices, such as sensors and microcontrollers. It incorporates features like overcurrent protection, thermal shutdown, and soft-start, enhancing its reliability and performance.
The LTC1174 is notable for its low quiescent current, which is crucial for prolonging battery life in low-power applications. Its compact 8-pin SOIC package allows for easy integration into space-limited designs. Overall, the LTC1174CS8 is a robust solution for efficient power conversion in modern electronic devices.

Equivalent

Equivalent products to the LTC1174CS8 chip include the LM317, LM1117 and MIC29302. These alternatives provide similar functionality for voltage regulation and can be used depending on specific application requirements such as output current, dropout voltage, and package type. Always verify specifications to ensure compatibility with your design.

Features

The LTC1174CS8 is a precision voltage reference and regulation IC with several key features:
1. High Accuracy: Provides a low drift reference voltage with high precision, typically ±0.5% over temperature.

2. Low Noise: Offers low output noise, enhancing performance in sensitive applications.
3. Temperature Stability: Designed for minimal temperature coefficient, ensuring stable output across a wide temperature range.
4. Output Current: Capable of sourcing and sinking output currents up to 50 mA.
5. Wide Input Voltage Range: Operates with input voltages typically between 2.7V to 15V.
6. Low Quiescent Current: Features low power consumption, making it suitable for battery-operated devices.
7. Integrated Protection: Includes thermal shutdown and short-circuit protection for enhanced reliability.
8. Compact Package: Available in an 8-lead SOIC package, facilitating easy integration into various designs.
These attributes make the LTC1174CS8 ideal for applications requiring high stability and accuracy in voltage regulation.

Pinout

The LTC1174CS8 is an integrated circuit from Analog Devices designed for precision low-power current sensing and measurement applications. It comes in an 8-pin SOIC package.
Pin Count and Functions:
1. Pin 1 (V+): Power supply input.
2. Pin 2 (IREF): Reference current output.
3. Pin 3 (OUT): Output voltage representing the sensed current.
4. Pin 4 (GND): Ground reference.
5. Pin 5 (ILIM): Input for setting the current limit.
6. Pin 6 (CSN): Current sense negative input.
7. Pin 7 (CSP): Current sense positive input.
8. Pin 8 (COMP): Compensation pin for stability in feedback loops.
This IC is primarily used in applications requiring accurate current monitoring and protection, making it suitable for battery management and power supply systems.

Manufacturer

The LTC1174CS8 is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, ADI designs and manufactures a wide range of products for various applications, including communications, automotive, industrial, healthcare, and consumer electronics. The company is known for its innovative technologies and solutions that enable advanced signal processing and data conversion, supporting the growing demands of modern electronic systems.

Application

The LTC1174CS8 is a precision voltage reference and analog-to-digital converter (ADC) driver. Its application areas include:
1. Data Acquisition Systems: Provides stable reference voltages for ADCs.
2. Industrial Automation: Used in sensors and instrumentation for accurate measurements.
3. Medical Devices: Facilitates precise readings in diagnostic equipment.
4. Automotive Systems: Enhances sensor data accuracy in vehicle electronics.
5. Consumer Electronics: Improves performance in audio and visual equipment.
6. Telecommunications: Ensures reliable signal processing in communication devices.
Its high accuracy and low noise make it suitable for various precision applications.

Package

The LTC1174CS8 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) style. This surface-mount package is designed for ease of use in compact electronic applications.

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