LM27313XMFX

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LM27313XMFX

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IC REG BOOST ADJ 800MA SOT23-5

  • FabricanteTexas Instruments

  • Peça do Fabricante #LM27313XMFX

  • Pacote SOT-23-5

  • Em Estoque5158

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR)
Part Status Obsolete
Function Step-Up
Output Configuration Positive
Topology Boost
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.7V
Voltage - Input (Max) 14V
Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) 28V
Current - Output 800mA (Switch)
Frequency - Switching 1.6MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

Visão Geral

Description

The LM27313XMFX is a step-up DC-DC converter from Texas Instruments designed for applications requiring efficient voltage boosting. It operates with a wide input voltage range and is capable of producing higher output voltages from lower input sources. The device is notable for its high efficiency, typically around 85-90%, making it suitable for battery-powered devices where power conservation is critical.
Key features include a fixed-frequency operation, which reduces noise and interference, and a small package size, facilitating compact circuit designs. The LM27313XMFX also has built-in over-current protection, under-voltage lockout, and thermal shutdown features, ensuring reliable operation and protection against faults.
Applications for the LM27313XMFX include powering backlight LEDs, OLED displays, and other portable electronic devices where space and efficiency are priorities. Its ease of use, combined with robust performance characteristics, makes it a popular choice for engineers looking to implement voltage boosting in their designs.

Equivalent

The LM27313XMFX is a high-voltage, boost converter IC. Equivalent products might include:
1. TPS61040 by Texas Instruments
2. MIC2287 by Microchip Technology
3. LT1613 by Analog Devices
4. MAX1703 by Maxim Integrated
These alternatives offer similar functionalities such as boosting lower voltage inputs to higher outputs, suitable for applications requiring compact, efficient power conversion. Always check specific electrical characteristics and pin configurations to ensure compatibility.

Features

The LM27313XMFX is a high-frequency, step-up DC-DC converter designed for various applications requiring efficient voltage boosting. Key features include:
1. Wide Input Voltage Range: Operates from 2.7V to 14V, making it versatile for battery-powered devices.

2. Output Voltage: Can generate output voltages up to 24V, suitable for driving high-voltage loads.
3. High Efficiency: Capable of achieving efficiencies up to 90%, minimizing power loss and heat generation.
4. Switching Frequency: Operates at a fixed frequency of 1.6 MHz, allowing the use of smaller external components and reducing overall solution size.
5. Low Shutdown Current: Features a low shutdown current of 0.1 µA to conserve battery life when not in use.
6. Current Mode Control: Provides improved transient response and simplification of loop compensation.
7. Integrated Power MOSFET: Incorporates a 40V, N-channel MOSFET, reducing the need for external components.
8. Package: Available in a small, thermally-enhanced MSOP-8 package, making it suitable for compact designs.
These features make the LM27313XMFX ideal for portable electronics, LCD bias supplies, and other applications needing efficient step-up conversion.

Pinout

The LM27313XMFX is a high-frequency boost converter IC manufactured by Texas Instruments. It is typically used to increase (boost) the voltage from a lower input voltage source to a higher output voltage.
- Pin Count: The LM27313XMFX comes in a 5-pin SOT-23 package.

- Pin Functions:
1. SW (Pin 1): This is the switch pin where the inductor is connected. It handles the switching action required for boosting the voltage.
2. GND (Pin 2): Ground pin for the device.
3. FB (Pin 3): Feedback pin, used to regulate the output voltage by connecting it to a resistor divider from the output.
4. EN (Pin 4): Enable pin to turn the device on or off. A high level turns the device on, while a low level turns it off.
5. VIN (Pin 5): Input voltage pin, where the input voltage is applied.
The LM27313XMFX is designed for low power applications and is known for its efficiency and small size.

Manufacturer

The LM27313XMFX is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is one of the largest semiconductor companies in the world, known for its innovations in analog chips and embedded processors, which are used in a wide array of applications including industrial, automotive, personal electronics, and communications equipment. TI focuses on developing products that help engineers create new electronic devices that improve the performance and efficiency of the systems in which they are used.

Application

The LM27313XMFX is a high-voltage boost converter used in various applications. Key areas include:
1. Battery-Powered Devices: It efficiently boosts voltage for devices like portable gadgets and wearables.
2. LED Lighting: Powers LED backlighting and flash applications in displays and camera systems.
3. Industrial Equipment: Supports sensors and low-power industrial applications requiring voltage step-up.
4. Telecommunication: Assists in power management for communication devices and infrastructure.
5. Consumer Electronics: Used in devices requiring efficient power conversion, such as e-readers and handheld consoles.
Its compact size and high efficiency make it versatile for applications needing a simple, cost-effective boost converter solution.

Package

The LM27313XMFX is a type of DC-DC boost converter from Texas Instruments. It is available in a SOT-23-5 package, which is a small-outline transistor package with five pins, commonly used for surface mount applications.

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