LT3461AES6

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LT3461AES6

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Switching Voltage Regulators LT3461A - 3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT

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365 1일 품질 보증

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90-판매 후 1일 보증

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개요

Description

The LT3461AES6 is a compact, high-efficiency, step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Designed for applications requiring low power and high voltage, it is typically used in devices like handheld electronics, LCD bias supplies, and portable medical equipment.
Key features of the LT3461AES6 include its ability to convert a low input voltage (as low as 2.3V) to a higher output voltage, with a maximum output of around 34V. It operates with a switching frequency of 1.3MHz, allowing the use of small, low-profile inductors and capacitors, which helps to minimize the overall size of the power supply circuit.
The device is housed in a small SOT-23 package, making it suitable for space-constrained applications. It also integrates several protection features, such as over-current and thermal shutdown protections, enhancing its reliability and safety. Its efficiency and compact design make it an excellent choice for designers looking to implement efficient power solutions in compact electronic devices.

Equivalent

The LT3461AES6 is a high-voltage boost converter. Equivalent products include:
1. Texas Instruments TPS61070: A similar boost converter offering a wide input voltage range.
2. ON Semiconductor NCP1403: A step-up converter with similar functionality.
3. Microchip Technology MCP1640: A versatile boost converter suitable for similar applications.
4. Analog Devices ADP1613: Offers a similar boost capability with a wide input range.
Always verify compatibility in specific applications before substituting.

Features

The LT3461AES6 is a step-up (boost) DC/DC converter from Analog Devices, designed for applications requiring high efficiency and compact size. Key features include:
1. Input Voltage Range: Operates from 2.3V to 10V, suitable for single or dual-cell alkaline/NiMH batteries or lithium-ion batteries.

2. Output Voltage: Capable of generating up to 34V, making it ideal for applications like OLED, LCD biasing, and other portable devices needing higher voltages.
3. Efficiency: Offers high efficiency, typically around 85% under various load conditions, which is beneficial for battery-powered applications.
4. Shutdown Mode: Less than 1µA shutdown current, preserving battery life when the device is not active.
5. Switching Frequency: Operates at a fixed frequency of 1.3MHz, allowing for the use of small external components and compact PCB layouts.
6. Package: Available in a compact SOT-23 (6-lead) package, allowing for space-saving designs in portable electronics.
7. Protection Features: Includes over-temperature and over-current protection for enhanced reliability.
These features make the LT3461AES6 a versatile and efficient choice for boosting applications in space-constrained environments.

Pinout

The LT3461AES6 is a micropower step-up DC/DC converter with an integrated Schottky diode. It is designed for applications requiring low power consumption and high efficiency in a small package. The LT3461AES6 comes in a 6-lead SOT-23 package.
Pin Count and Functions:
1. SW (Pin 1): Switch Pin. Connect this to the inductor and the catch diode.
2. GND (Pin 2): Ground. This is the reference point for the circuit.
3. FB (Pin 3): Feedback Pin. Connect the output voltage to this pin to set the output voltage level.
4. SHDN (Pin 4): Shutdown Pin. Drive this pin low to turn off the device and reduce quiescent current to 6μA.
5. VIN (Pin 5): Input Voltage Pin. Supply voltage for the device.
6. VOUT (Pin 6): Output Voltage Pin. Connect this to the output capacitor and the load.
These pins collectively enable the LT3461AES6 to efficiently boost low input voltages to desired higher output voltages, suitable for portable and battery-powered applications.

Manufacturer

The LT3461AES6 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing integrated circuits. The company serves a wide range of industries, including automotive, communications, healthcare, and industrial sectors.

Application

The LT3461AES6 is a high-efficiency step-up DC/DC converter commonly used in various applications, including:
1. Portable Electronics: Provides power management solutions for devices such as smartphones, tablets, and digital cameras.
2. LED Drivers: Used in driving white LEDs for backlighting in displays and general illumination.
3. Battery-Powered Devices: Ideal for boosting battery voltage to required levels in devices like portable medical instruments.
4. Consumer Electronics: Employed in gadgets requiring efficient power conversion for extended battery life.
5. Industrial Equipment: Used in low-power industrial applications where space and efficiency are critical.
6. Telecommunications: Supports power management in communication devices and systems.
Its compact design and high efficiency make it suitable for space-constrained applications.

Package

The LT3461AES6 is a step-up DC/DC converter from Analog Devices, offered in a compact SOT-23 6-lead package. This package type is known for its small size and is commonly used in applications requiring a minimal form factor and efficient power conversion.

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