LM2734XMK

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LM2734XMK

Switching Voltage Regulators

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  • Mfr.부분 #LM2734XMK
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  • 재고 있음22006

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사양

개요

Description

The LM2734XMK is a high-efficiency, step-up (boost) DC-DC converter designed for applications requiring a compact power solution. It features a wide input voltage range, typically from 2.7V to 5.5V, making it suitable for powering devices from lithium-ion batteries or other low-voltage sources. The device can deliver a regulated output voltage, commonly up to 28V, with adjustable output settings.
Key features include high efficiency (up to 95%), low quiescent current, and built-in protection mechanisms such as over-voltage, over-current, and thermal shutdown. The LM2734XMK is ideal for portable electronics, LED drivers, and battery-operated devices, where size and power efficiency are critical.
Its synchronization capability allows for the integration of multiple converters to increase output power or reduce ripple. The small package size facilitates easy PCB layout and design, making it a popular choice for engineers looking to optimize power management in compact designs.

Features

The LM2734XMK is a high-efficiency boost converter designed for applications requiring a compact power supply solution. Key features include:
1. Wide Input Voltage Range: Operates from 2.7V to 5.5V, making it suitable for various battery configurations.
2. Output Voltage Adjustable: Output voltage can be set from 3V to 5.5V, allowing flexibility for different applications.
3. High Efficiency: Achieves efficiencies up to 95%, reducing heat generation and extending battery life.
4. Low Quiescent Current: Minimizes power consumption during standby, enhancing battery performance.
5. Integrated Switch: Features a built-in power switch to simplify the design and reduce component count.
6. Programmable Switching Frequency: Offers adjustable frequency settings to minimize noise and improve performance in various applications.
7. Overcurrent Protection: Includes built-in protection mechanisms to safeguard against faults.
8. Thermal Shutdown: Protects the device from overheating, ensuring reliable operation.
These features make the LM2734XMK suitable for portable devices, sensors, and other battery-operated applications.

Package

The LM2734XMK is packaged in a 10-pin MSOP (Mini Small Outline Package) format.

Pinout

The LM2734XMK is a high-efficiency step-up (boost) DC-DC converter with a pin count of 8.
Pin Functions:
1. VIN: Input voltage supply (2.5V to 5.5V).
2. GND: Ground connection.
3. SW: Switch node connected to the inductor.
4. VOUT: Output voltage (typically set using external resistors).
5. COMP: Compensation node for controlling the stability of the converter.
6. FB: Feedback pin for output voltage regulation.
7. EN: Enable pin to turn the device on/off.
8. LX: Inductor connection for switching.
The LM2734XMK is designed for portable applications, providing high output current and efficiency, making it suitable for powering devices from low-voltage battery sources.

Manufacturer

The LM2734XMK is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of integrated circuits and analog devices. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in analog and embedded processing technologies. The company serves various markets, including automotive, industrial, communications, and consumer electronics, providing solutions that enhance functionality and efficiency in electronic systems. TI is recognized for its commitment to research and development, leading to advanced products that meet the demands of modern electronics.

Application

The LM2734XMK is a step-up (boost) DC-DC converter used in various applications such as portable devices, battery-powered products, LED drivers, and power management systems. It efficiently converts low voltage from batteries to higher voltages needed for circuits, making it suitable for applications like smartphones, tablets, and wearable electronics. Additionally, it can be employed in energy harvesting and automotive systems where space and efficiency are critical.

Equivalent

The LM2734XMK chip is a step-up (boost) voltage regulator. Equivalent products include the TPS61030 from Texas Instruments, the LTC6103 from Analog Devices, and the MAX757 from Maxim Integrated. Always check specific parameters such as input/output voltage range, current capability, and efficiency for compatibility in your application.

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