LT3494EDDB

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LT3494EDDB

Switching Voltage Regulators LT3494 - Micropower Low Noise Boost Converters with Output Disconnect

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Description

The LT3494EDDB is a highly integrated, low-power, synchronous buck converter designed for step-down voltage regulation. It features a wide input voltage range, typically from 2.5V to 15V, making it suitable for a variety of applications, including battery-powered devices. The device is capable of delivering up to 1A of output current with high efficiency, which helps to prolong battery life.
Key features of the LT3494EDDB include a built-in switch, adjustable output voltage, and a low quiescent current, which is beneficial for applications requiring low standby power consumption. The device also incorporates a power good output and short-circuit protection, enhancing reliability.
Its compact footprint makes it ideal for space-constrained designs. The LT3494EDDB is commonly used in portable electronics, industrial applications, and other systems where efficient power management is critical. Overall, it provides a robust solution for efficient power conversion in a variety of electronic applications.

Features

The LT3494EDDB is a high-efficiency, synchronous step-down DC/DC converter designed for compact power solutions. Key features include:
- Wide Input Voltage Range: Operates from 2.8V to 15V, accommodating various power sources.
- Output Current Capability: Delivers up to 2A of continuous output current, suitable for powering demanding loads.
- High Efficiency: Up to 95% efficiency minimizes heat generation and extends battery life.
- Adjustable Output Voltage: Programmable output voltage from 0.8V to 12V, allowing flexibility for different applications.
- Small Form Factor: Available in a 3mm x 3mm DFN package, ideal for space-constrained designs.
- Low Quiescent Current: Features a low quiescent current in sleep mode, enhancing battery-powered application performance.
- Compensation: Internal compensation simplifies design and reduces external component count.
- Soft-Start: Integrated soft-start function limits inrush current during startup.
These features make the LT3494EDDB suitable for a variety of applications, including portable devices, industrial equipment, and battery-powered systems.

Package

The LT3494EDDB is packaged in a 12-lead DFN (Dual Flat No-lead) package, specifically measuring 3mm x 3mm. This compact package type is designed for efficient thermal performance and space-saving in applications.

Pinout

The LT3494EDDB is a dual-channel, high-efficiency step-down (buck) DC/DC converter with a pin count of 20. It is designed to provide output voltages that can be adjusted down to 0.8V with a maximum input voltage of 15V.
Key functions of the LT3494EDDB include:
- Dual output channels for powering multiple loads.
- Integrated power switches that reduce the need for external components.
- High switching frequency, which allows for smaller external components and improved transient response.
- Soft-start capability to minimize inrush current.
- Synchronous operation for improved efficiency, especially at medium to high loads.
- External compensation to adapt to various output requirements.
The device is commonly used in applications such as powering processors, FPGAs, and other digital loads in portable and battery-operated devices.

Manufacturer

The LT3494EDDB is manufactured by Analog Devices, Inc. Analog Devices is an American multinational semiconductor company that specializes in data conversion, signal conditioning, and power management technology. Founded in 1965, the company is known for its high-performance integrated circuits (ICs) used in various applications, including industrial automation, communications, healthcare, automotive, and consumer electronics. Analog Devices focuses on innovation in analog and mixed-signal processing, and it serves a diverse range of industries by providing solutions that enhance performance and efficiency in electronic systems. The LT3494EDDB specifically is a precision, low-power, high-speed comparator, designed for applications requiring fast response times and low offset voltages.

Application

The LT3494EDDB is a high-efficiency, low-power DC-DC step-down converter, commonly used in battery-powered devices, handheld instruments, and portable electronics. Its application areas include mobile phones, tablets, IoT devices, and automotive electronics. The converter is ideal for systems requiring low quiescent current and high output current, making it suitable for powering sensors, microcontrollers, and other low-voltage components in various consumer and industrial applications.

Equivalent

The LT3494EDDB is a dual-output, synchronous step-down (buck) regulator from Analog Devices. Equivalent products include:
1. TPS563201 - Texas Instruments
2. LM22675 - Texas Instruments
3. MICREL MICROCHIP - MIC22670
4. RTM6501 - Richtek
These alternatives may vary in specifications, so always check datasheets for compatibility with your application.

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