LT3464ETS8

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LT3464ETS8

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Switching Voltage Regulators LT3464 - Micropower Boost Converter with Integrated Schottky and Output Disconnect in ThinSOT

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仕様

属性

概要

Description

The LT3464ETS8 is a micropower step-up DC/DC converter designed by Analog Devices, formerly Linear Technology. It is housed in a small TSOT-23 package, making it ideal for compact applications requiring efficient power conversion. The device is particularly suited for applications needing a boost in voltage from a lower voltage source, such as battery-powered devices.
Key features of the LT3464 include its ability to operate with an input voltage range from 2.3V to 16V, delivering an output voltage up to 34V. It is designed for high efficiency, with a current mode PWM architecture, and includes a built-in power switch. The converter is capable of delivering up to 250mA of output current, depending on the input and output voltage conditions.
The LT3464 also offers features like low quiescent current and shutdown capability, which help extend battery life in portable applications. Its small footprint and high level of integration make it a popular choice for designers needing a reliable boost converter solution.

Equivalent

The LT3464ETS8 is a step-up DC-DC converter from Analog Devices (formerly Linear Technology). Equivalent or similar products from other manufacturers might include the TPS61040 from Texas Instruments, the MIC2288 from Microchip Technology, and the NCP1402 from ON Semiconductor. These alternatives offer similar functionality in terms of voltage boosting capabilities, but it's essential to check specific parameters and pin compatibility to ensure they meet your design requirements.

Features

The LT3464ETS8 is a step-up DC-DC converter integrated circuit designed by Analog Devices (formerly Linear Technology). It features:
1. High Efficiency: Capable of delivering high efficiency over a broad range of load currents, which is crucial for battery-powered applications.
2. Low Quiescent Current: The device consumes minimal power when idle, extending battery life.
3. Compact Size: It comes in a small SOT-23 package, making it suitable for space-constrained applications.
4. Wide Input Voltage Range: Operates from input voltages as low as 2.3V, supporting a variety of power sources.
5. Adjustable Output Voltage: The output voltage can be set using external resistors, providing flexibility for different requirements.
6. Integrated Power Switch: The built-in power switch reduces component count and simplifies design.
7. Soft-Start Functionality: Reduces inrush current during startup, protecting sensitive components.
8. Current Limit Protection: Prevents excessive current draw, safeguarding against short circuits and overload conditions.
These features make the LT3464ETS8 ideal for portable electronics, handheld devices, and other applications requiring efficient power conversion with minimal power loss.

Pinout

The LT3464ETS8 is an 8-pin switched capacitor step-up DC/DC converter. Here is a summary of its pin count and functions:
1. SW (Pin 1): Switch Pin, connected to inductor.
2. GND (Pin 2): Ground.
3. FB (Pin 3): Feedback Pin, connected to the output to set the regulated voltage.
4. SHDN (Pin 4): Shutdown Pin, used to enable or disable the converter.
5. VIN (Pin 5): Input Voltage Pin, the source of the input power.
6. VOUT (Pin 6): Output Voltage Pin, delivers the regulated output voltage.
7. CAP (Pin 7): Capacitor Pin, used for frequency compensation.
8. NC (Pin 8): No Connection, typically not connected to any circuitry.
These pins work together to provide a highly efficient boost converter that is often used in battery-powered applications to increase battery voltage to the required level for the circuitry.

Manufacturer

The LT3464ETS8 is manufactured by Analog Devices, Inc. This company specializes in the design, manufacturing, and marketing of a broad range of integrated circuits (ICs) and electronic components. Analog Devices primarily focuses on analog, mixed-signal, and digital signal processing technologies, which are utilized in various applications including industrial, automotive, consumer, communications, and healthcare sectors. The company is known for providing high-performance solutions that aid in the conversion, conditioning, and processing of real-world phenomena such as light, sound, temperature, motion, and pressure into electrical signals.

Application

The LT3464ETS8 is a high-efficiency, step-up DC/DC converter commonly used in applications requiring voltage boosting. It is ideal for powering devices such as OLED displays, CCD sensors, and white LED backlighting in portable electronics due to its compact size and low quiescent current. Additionally, it finds use in battery-powered devices, where extending battery life and efficient power management are crucial. Its ability to operate from low input voltages makes it suitable for applications involving single-cell or multi-cell alkaline, NiMH, or lithium batteries. The LT3464ETS8's small package and high switch current capability make it a versatile choice for compact and efficient power supply designs.

Package

The LT3464ETS8 is packaged in an 8-lead TSOT-23 (Thin Small Outline Transistor) package.

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