LT3493EDCB

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LT3493EDCB

Switching Voltage Regulators LT3493 - 1.2A, 750kHz Step-Down Switching Regulator in 2mm + 3mm DFN

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仕様

概要

Description

The LT3493EDCB is a high-efficiency, step-up (boost) DC-DC converter designed for applications requiring a regulated output voltage from a lower input voltage. This device is part of Analog Devices' LT3493 family, known for its compact size and robust performance. It features a wide input voltage range, typically from 2.5V to 15V, making it suitable for battery-powered devices.
Key specifications include an output voltage that can be adjusted up to 34V and high efficiency, often exceeding 90%. The LT3493EDCB integrates a high-frequency switching regulator, reducing the need for large external components and allowing for a small footprint in designs. It also includes features like soft-start, current limiting, and thermal shutdown for enhanced reliability.
Applications include portable electronics, LED drivers, and any systems that require voltage boosting in compact spaces. Overall, the LT3493EDCB is ideal for designers looking for efficiency, reliability, and a small form factor in their power management solutions.

Features

The LT3493EDCB is a high-efficiency, low-noise LED driver designed for various applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 30V, suitable for a variety of power sources.
2. Constant Current Control: Provides precise LED current control, enhancing brightness uniformity.
3. High Efficiency: Offers efficiencies up to 95%, minimizing power loss and heat generation.
4. Integrated Switch: Incorporates a high-side N-channel MOSFET, reducing component count and PCB space.
5. Adjustable Output Current: Allows flexibility in setting the LED drive current via external resistors.
6. Thermal Protection: Features built-in thermal shutdown to prevent overheating.
7. Compact Package: Housed in a small 10-lead MSOP package, ideal for space-constrained designs.
8. External Compensation: Supports external compensation for stability in various applications.
These features make the LT3493EDCB suitable for a range of LED lighting applications, including automotive, portable electronics, and general illumination.

Package

The LT3493EDCB is available in a 16-lead plastic TSSOP (Thin Shrink Small Outline Package) package type. This package is designed for compact applications, providing a low-profile solution for integrated circuits.

Pinout

The LT3493EDCB is a dual-channel, high-speed operational amplifier with a pin count of 8. It is designed for applications requiring high bandwidth and low distortion.
Pin Functions:
1. Pin 1 (IN-): Inverting input for Op-Amp A.
2. Pin 2 (IN+): Non-inverting input for Op-Amp A.
3. Pin 3 (V-): Negative supply voltage (ground or negative rail).
4. Pin 4 (OUT): Output for Op-Amp A.
5. Pin 5 (OUT): Output for Op-Amp B.
6. Pin 6 (V+): Positive supply voltage.
7. Pin 7 (IN+): Non-inverting input for Op-Amp B.
8. Pin 8 (IN-): Inverting input for Op-Amp B.
The device is suitable for applications like signal conditioning, data acquisition, and audio processing due to its fast response and low noise characteristics.

Manufacturer

The LT3493EDCB is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technologies. Founded in 1965 and headquartered in Norwood, Massachusetts, the company designs and manufactures a wide range of integrated circuits, amplifiers, sensors, and other electronic components used in various applications, including industrial automation, automotive, telecommunications, and consumer electronics. Analog Devices is known for its innovation and quality in high-performance analog and mixed-signal processing solutions.

Application

The LT3493EDCB is a low-power, high-efficiency boost converter primarily used in portable and battery-operated applications. Its application areas include LED drivers, portable electronics, battery management systems, and energy harvesting systems. It is suitable for powering devices from low-voltage sources such as single-cell lithium-ion batteries, making it ideal for wearable technology and IoT devices.

Equivalent

The LT3493EDCB is a low-noise, high-speed operational amplifier. Equivalent products include the OPA2134 from Texas Instruments, AD797 from Analog Devices, and MCP602 from Microchip. Ensure to compare specifications such as bandwidth, slew rate, noise performance, and supply voltage to confirm suitability for your application.

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出荷料参照(DHL/FedEx):

DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。

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