LT3469ETS8

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LT3469ETS8

Switching Voltage Regulators LT3469 - Piezo Microactuator Driver with Boost Regulator

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Spécifications

Vue d'ensemble

Description

The LT3469ETS8 is a high-efficiency, step-up (boost) DC-DC converter designed by Analog Devices (formerly Linear Technology). It features a 2.5V to 12V input voltage range, making it suitable for various battery-operated applications. The device delivers a maximum output current of up to 1A and can generate output voltages up to 34V, making it ideal for powering devices requiring higher voltage levels.
Key features include a built-in switch, adjustable switching frequency, and the ability to operate in both continuous and pulse-skipping modes for enhanced efficiency. The LT3469ETS8 also includes protection features such as thermal shutdown and overcurrent protection, ensuring reliability in operation.
Its compact SOT-23-8 package allows for space-constrained designs, while its low quiescent current aids in prolonging battery life. The device is commonly used in applications like OLED displays, portable instruments, and LED drivers. For detailed specifications and application circuits, referring to the manufacturer's datasheet is recommended.

Features

The LT3469ETS8 is a high-efficiency, step-up (boost) DC-DC converter from Analog Devices, designed to provide power for various applications. Key features include:
1. Wide Input Voltage Range: Operates from 2.3V to 20V, making it suitable for a variety of battery and power supply applications.
2. High Efficiency: Offers efficiencies up to 95%, minimizing heat generation and maximizing battery life.
3. Adjustable Output Voltage: The output voltage can be set from 2.5V to 20V, allowing flexibility for different load requirements.
4. Integrated Switch: Features an internal power switch, reducing component count and saving board space.
5. Low Quiescent Current: Designed for low power consumption in standby mode, ideal for battery-powered devices.
6. Protection Features: Includes overcurrent protection and thermal shutdown for enhanced reliability.
7. Switching Frequency: Operates at a fixed frequency of 1.2 MHz, allowing for smaller external components.
Overall, the LT3469ETS8 is suitable for portable devices, RF power amplifiers, and other applications requiring efficient power management.

Package

The LT3469ETS8 is packaged in an 8-lead MSOP (Thin Shrink Small Outline Package).

Pinout

The LT3469ETS8 is an integrated LED driver with an 8-pin MSOP package. The pin count is 8. The main functions of the pins are as follows:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node for inductor connection.
3. GND (Pin 3): Ground reference.
4. CSN (Pin 4): Current sense negative input.
5. CSP (Pin 5): Current sense positive input.
6. Rset (Pin 6): Resistor connection to set the LED current.
7. COMP (Pin 7): Compensation pin for stability.
8. EN (Pin 8): Enable control pin.
The LT3469 is designed for driving single or multiple LEDs, providing high efficiency and compact design for various applications.

Manufacturer

The LT3469ETS8 is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technologies. Founded in 1965, the company designs and manufactures a wide range of integrated circuits (ICs) and other electronic components used in various applications, including communications, automotive, industrial, and consumer electronics. ADI is known for its innovation in analog and mixed-signal processing, providing high-performance solutions that enable precise measurements and control in electronic systems.

Application

The LT3469ETS8 is a compact, synchronous DC-DC boost converter primarily used in portable devices, battery-powered applications, and low-power systems. Its application areas include LED drivers, battery management systems, and powering sensors or microcontrollers in handheld gadgets. It is suitable for applications requiring high efficiency, small size, and robust performance in varying load conditions.

Equivalent

The LT3469ETS8 is a step-up (boost) converter from Analog Devices. Equivalent products include the TPS61040 from Texas Instruments, the MIC2595 from Microchip, and the LM2577 from Texas Instruments. When selecting an equivalent, consider specifications such as output voltage, current capability, efficiency, and package type to ensure compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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