LT3483ES6

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LT3483ES6

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Switching Voltage Regulators LT3483 - Inverting Micropower DC/DC Converters with Schottky

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Description

The LT3483ES6 is a step-up (boost) DC/DC converter from Analog Devices. It is designed to efficiently increase a lower input voltage to a higher output voltage. The device is housed in a compact 6-lead SOT-23 package, making it suitable for space-constrained applications. With a wide input voltage range, it can be used with various power sources, including batteries.
The LT3483ES6 features a fixed frequency of 1.3MHz, allowing small external components like inductors and capacitors, which contributes to reducing the overall size of the power supply design. It also includes features such as soft-start to minimize inrush currents, and it can handle output voltages up to 34V.
The converter is designed for high efficiency, which extends battery life in portable applications, and it offers a low quiescent current, important for applications needing low power consumption during idle periods. Its robust performance makes it suitable for powering LCD displays, OLED panels, and other devices requiring a higher output voltage from a lower voltage source.

Equivalent

The LT3483ES6 is a step-up DC/DC converter. Equivalent products might include:
1. TPS61070 by Texas Instruments – a similar boost converter.
2. MIC2288 by Microchip – another step-up converter with comparable specs.
3. NCP1402 by ON Semiconductor – a compact boost converter suitable for similar applications.
4. MAX1676 by Maxim Integrated – a low-input voltage step-up DC-DC converter.
It's important to compare specific parameters like input/output voltage, current capabilities, and efficiency to ensure compatibility.

Features

The LT3483ES6 is a step-up DC/DC converter designed for applications requiring low quiescent current and efficient power conversion. Key features include:
1. Wide Input Voltage Range: It operates from 2.5V to 16V, making it suitable for a variety of power sources, including batteries.
2. High Efficiency: The device achieves high efficiency over a wide range of output currents due to its low RDS(ON) switch and synchronous rectification.
3. Low Quiescent Current: The LT3483ES6 features a low quiescent current of 30µA, which is advantageous for battery-powered applications.
4. Adjustable Output Voltage: The output voltage is adjustable, providing flexibility for different application requirements.
5. Compact Package: It is available in a small 6-lead SOT-23 package, enabling compact and space-saving designs.
6. Protection Features: Includes over-temperature protection and internal soft-start to prevent inrush current issues.
7. Fixed Switching Frequency: Operates at a fixed 1.2MHz switching frequency for predictable EMI performance.
These features make the LT3483ES6 suitable for applications like LCD bias supplies, portable devices, and other low-power systems requiring efficient boost conversion.

Pinout

The LT3483ES6 is a micropower DC/DC converter with an integrated Schottky diode, manufactured by Linear Technology (now part of Analog Devices). It is designed to operate as a boost converter, suitable for applications requiring a low quiescent current and high efficiency. The device is housed in a 6-lead SOT-23 package, providing a compact solution for space-constrained applications.
Here's a concise breakdown of the pin functions:
1. SW (Pin 1): This is the switch pin, where the inductor is connected. It is the output of the internal power switch.
2. GND (Pin 2): Ground pin for the device.
3. VIN (Pin 3): Input supply pin, where the input voltage is applied.
4. FB (Pin 4): Feedback pin, used to set the output voltage. It connects to a resistor divider from the output.
5. SHDN (Pin 5): Shutdown pin. A low voltage on this pin turns the device off, reducing the input current to a few microamperes.
6. VOUT (Pin 6): Output voltage pin.
The LT3483 is particularly suitable for battery-powered applications due to its low quiescent current and high efficiency.

Manufacturer

The LT3483ES6 is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing integrated circuits. These components are used in a wide array of electronic equipment, serving industries such as communications, automotive, industrial, healthcare, and consumer electronics. Known for its innovation and high-performance solutions, ADI plays a critical role in the development of advanced technologies across various sectors. The company focuses on delivering products that enhance signal processing capabilities and improve the efficiency and effectiveness of electronic systems.

Application

The LT3483ES6 is a micropower step-up DC/DC converter integrated circuit designed for powering LED applications. It is particularly suitable for driving white LEDs in portable devices like handheld electronics, digital cameras, and cell phones. Its compact design allows it to be used in space-constrained applications. The LT3483ES6 features a low quiescent current and high efficiency, making it ideal for battery-powered devices. Additionally, it can be used in other applications requiring a small, efficient power boost, such as powering small sensors or other low-power electronic components.

Package

The LT3483ES6 is a step-up DC/DC converter from Linear Technology (now part of Analog Devices) and comes in a SOT-23 package, specifically a 6-lead SOT-23. This type of package is small, making it suitable for compact applications requiring efficient power conversion.

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