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LTC1474IS8

Name: LTC1474IS8
Rating: 4.7 (12 reviews)

IC BUCK ADJ 750MA 8SOIC

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規格

Part Status	Discontinued at Digi-Key
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SO
Base Product Number	LTC1474

概述

Description

The LTC1474IS8 is a high-performance, low-dropout (LDO) voltage regulator designed for use in battery-operated and portable applications. From Linear Technology (now part of Analog Devices), this device features a low quiescent current, making it ideal for energy-sensitive applications. It provides a fixed output voltage of 5V with a maximum output current of 1A, ensuring stable power delivery for various electronic components.
Key features include a wide input voltage range, typically from 3V to 15V, and fast transient response, which improves stability during load changes. The LTC1474IS8 also integrates thermal shutdown and current limiting for enhanced reliability. Its small package size (8-lead SOIC) allows for compact PCB designs, making it suitable for space-constrained applications.
Overall, the LTC1474IS8 is an efficient choice for designers seeking a reliable, low-power voltage regulation solution in consumer electronics, automotive, and industrial applications.

Features

The LTC1474IS8 is a low-power, high-speed comparator designed for precision applications. Key features include:
1. Supply Voltage Range: Operates from a single supply of 2.7V to 15V or dual supplies of ±1.35V to ±7.5V.
2. Low Power Consumption: Consumes only 175 µA, making it suitable for battery-operated devices.
3. High Speed: Offers a propagation delay of 15 ns and a slew rate of 35 V/µs, allowing for fast response times.
4. Input Common-Mode Range: Wide input range from ground up to the positive supply voltage.
5. Output Drive Capability: Capable of driving a load of 1.5 mA, suitable for interfacing with TTL and CMOS logic.
6. Temperature Range: Available in commercial and industrial temperature ranges.
7. Package Options: Comes in an 8-lead SOIC package for easy integration into circuit designs.
These features make the LTC1474IS8 ideal for applications such as signal conditioning, data acquisition, and waveform generation.

Package

The LTC1474IS8 is packaged in an 8-lead MSOP (Mini Small Outline Package). This surface-mount package is designed for compactness and ease of integration in electronic circuits.

Pinout

The LTC1474IS8 is an integrated circuit with a pin count of 8. It functions as a high-efficiency, step-down (buck) regulator. The key functions of its pins include:
1. VIN - Input voltage supply.
2. GND - Ground reference.
3. SW - Switch node for connecting to the inductor.
4. VOUT - Output voltage.
5. COMP - Compensation network connection for stability.
6. FB - Feedback input for output voltage regulation.
7. ISNS - Current sense input for overcurrent protection.
8. MODE - Mode selection for operation (e.g., PWM or PFM).
The LTC1474 is designed for applications requiring step-down conversion with a wide input voltage range, high efficiency, and low output ripple.

Manufacturer

The LTC1474IS8 is manufactured by Analog Devices, Inc. Analog Devices is a global company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves various industries, including automotive, communications, consumer electronics, healthcare, and industrial automation. The company's products are widely used in applications that require high-performance solutions for signal processing and data conversion.

Application

The LTC1474IS8 is a precision voltage reference and linear regulator, commonly used in applications such as power management, battery-powered devices, analog signal processing, and precision measurement systems. Its low noise and high accuracy make it suitable for instrumentation, data acquisition systems, and portable electronics. It is also used in automotive and industrial applications where stable voltage regulation is critical.

Equivalent

Equivalent products to the LTC1474IS8 include the following voltage reference and ADC drivers:
1. LMV431 - Adjustable precision voltage reference.
2. TL431 - Programmable shunt voltage reference.
3. MAX6340 - Precision voltage reference.
4. LT1004 - Low drift voltage reference.
Confirm compatibility in your specific application as performance characteristics may vary.