LT3461ES6

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LT3461ES6

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Switching Voltage Regulators LT3461 - 1.3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT

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仕様

属性

概要

Description

The LT3461ES6 is a high-efficiency DC/DC converter manufactured by Analog Devices (formerly Linear Technology). It is designed to step up (boost) input voltages to higher output voltages, making it suitable for applications requiring voltage conversion from a lower voltage source to a higher voltage output. The device is housed in a compact SOT-23 package and is ideal for battery-powered devices due to its low quiescent current and high efficiency.
Key features of the LT3461ES6 include:
- Wide input voltage range, typically from 2.3V to 10V.
- Output voltage can be set as high as 35V.
- High switching frequency (typically 1.3MHz), allowing the use of small inductors and capacitors.
- Integrated high-voltage power switch for minimal external components.
- Current mode control for fast transient response and loop stability.
The LT3461ES6 is commonly used in applications such as OLED display power supplies, biasing of photomultiplier tubes, and general-purpose DC/DC boost converters where space and efficiency are important.

Equivalent

The LT3461ES6 is a step-up (boost) DC-DC converter. Equivalent products can include:
1. MAX1797 from Maxim Integrated
2. TPS61070 from Texas Instruments
3. MIC2291 from Microchip Technology
4. AP3012 from Diodes Incorporated
These alternatives offer similar functionalities for boosting voltage in compact applications, but specifications may vary slightly, so it's essential to confirm compatibility with your specific requirements.

Features

The LT3461ES6 is a step-up DC/DC converter designed by Linear Technology (now part of Analog Devices). Key features include:
1. Efficiency: Offers high efficiency over a wide range of input and output voltages, ideal for battery-powered devices.
2. Input Voltage Range: Operates from 2.3V to 10V, making it suitable for various battery types or low-voltage sources.
3. Output Voltage: Capable of boosting output to as high as 34V, which is useful for driving high-voltage loads like LEDs or OLED displays.
4. Switching Frequency: Operates at a fixed frequency of 1.3MHz, reducing component size and allowing compact designs.
5. Current Mode Control: Provides fast transient response and simple compensation.
6. Package: Comes in a compact 6-lead SOT-23 package, aiding in space-constrained applications.
7. Shutdown Mode: Features a low-current shutdown mode to conserve energy when not in active use.
8. Protection: Includes features like soft-start and over-voltage protection to safeguard against potential damage during operation.
These features make the LT3461ES6 suitable for applications needing efficient voltage boosting in a compact form factor.

Pinout

The LT3461ES6 is a high-efficiency, step-up DC/DC converter, typically used for driving white LEDs. It comes in a 6-pin SOT-23 package. Here’s a brief overview of its pin configuration and function:
1. SW (Pin 1): This is the switch pin where the inductor is connected. It is the power switch node.
2. GND (Pin 2): Ground pin for the device, providing a reference point for the circuit.
3. FB (Pin 3): The feedback pin used to set the output voltage through an external resistor divider network.
4. SHDN (Pin 4): A shutdown pin, which is used to enable or disable the device. Pulling this pin low puts the device into a low-power shutdown mode.
5. VIN (Pin 5): The input supply voltage pin where the power supply is connected.
6. VOUT (Pin 6): The output voltage pin that delivers the boosted voltage to the load.
These pins together enable the LT3461ES6 to efficiently convert lower voltages to higher ones, suitable for applications like LED backlighting or powering other small devices.

Manufacturer

The LT3461ES6 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs and manufactures integrated circuits used in electronic equipment. The company specializes in data conversion, signal processing, and power management technology, among other areas. They are known for producing components that are essential for a wide range of applications, including industrial, automotive, consumer electronics, communications, and healthcare. Analog Devices is considered a leader in the analog technology field, providing products that enable advancements in modern electronics.

Application

The LT3461ES6 is a high-efficiency, step-up DC/DC converter designed for use in various applications. It is particularly suitable for powering white LEDs in backlighting applications, such as in portable devices like smartphones, tablets, and digital cameras. Additionally, it is used in general-purpose step-up voltage conversion where compact size and efficiency are important, including battery-powered devices, OLED displays, and other consumer electronics. Its compact design and low power consumption make it ideal for applications requiring prolonged battery life and high efficiency. The LT3461ES6's small package and minimal external components also make it suitable for space-constrained applications.

Package

The LT3461ES6 is a boost converter from Analog Devices (formerly Linear Technology) and is typically housed in a small 6-lead SOT-23 package, which is compact and suitable for space-constrained applications.

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