LM27313XMF

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LM27313XMF

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IC REG LINEAR SWITCHING REG

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Description

The LM27313XMF is a high-frequency boost converter from Texas Instruments, designed for compact, efficient power supply applications. It operates with a wide input voltage range, typically from 2.7V to 20V, making it suitable for battery-powered devices and other low-voltage applications. The device features a fixed-frequency, pulse-width modulation (PWM) controller, which allows for stable operation and reduced noise interference.
Key features of the LM27313XMF include its ability to deliver a maximum output current of up to 1A, making it versatile for various power needs. The converter can achieve high-efficiency levels, which is critical in prolonging battery life in portable devices. Additionally, it incorporates several protection features, such as overcurrent protection, thermal shutdown, and internal soft-start, enhancing reliability and safety.
The LM27313XMF is available in a compact SOT-23 package, facilitating easy integration into space-constrained designs. Its high switching frequency allows for the use of small external components, reducing overall design footprint and cost. This makes it an attractive choice for designers seeking efficiency and compactness in their power management solutions.

Equivalent

The LM27313XMF is a DC-DC boost converter. Equivalent products can include the MC34063, LM2731, and TPS61070 from Texas Instruments, the LT1613 from Analog Devices, and the MAX1703 from Maxim Integrated. The exact equivalence depends on specific parameters like input voltage range, output current, and switching frequency, so it's important to review the datasheets to ensure compatibility with your specific application needs.

Features

The LM27313XMF is a high-frequency, step-up DC-DC converter from Texas Instruments. Key features include:
1. Wide Input Voltage Range: It supports input voltages from 2.7V to 14V.
2. High Switching Frequency: Operates at 1.6 MHz, allowing for the use of smaller external components.
3. High Efficiency: With its PWM control, it achieves efficiency levels suitable for battery-powered applications.
4. Output Voltage: Capable of boosting output voltage up to 24V.
5. Low Shutdown Current: Features low shutdown current, typically around 1 µA, to save power when not in operation.
6. Integrated Power Switch: Comes with a built-in 40V, 1.25A N-channel MOSFET.
7. Soft Start: It includes a built-in soft-start feature to prevent inrush current during startup.
8. Thermal Shutdown: Protects the device from overheating by turning off the switch when a high temperature is detected.
9. Compact Package: Offered in a 6-pin SOT-23 package, making it suitable for space-constrained applications.
These features make the LM27313XMF ideal for portable devices, LCD displays, and other applications requiring efficient voltage boosting.

Pinout

The LM27313XMF is a DC-DC boost converter integrated circuit (IC) from Texas Instruments. It is typically used for stepping up a lower voltage to a higher voltage in various electronic applications. This IC is packaged in a SOT-23-5 package, which means it has 5 pins. Here's a brief description of its pin functions:
1. SW (Pin 1): This is the switch pin, connected to the inductor and diode. It is the main power path where the switching occurs.
2. GND (Pin 2): Ground pin used as a common return path for the circuit.
3. FB (Pin 3): Feedback pin is used to set the output voltage via a resistor divider network.
4. EN (Pin 4): Enable pin used to turn the device on or off. It's a control pin that, when pulled high, enables the device.
5. VIN (Pin 5): Input voltage pin where the supply voltage is applied.
The LM27313XMF is designed for efficiency and compactness in applications requiring boosted output voltages.

Manufacturer

The LM27313XMF is manufactured by Texas Instruments (TI). Texas Instruments is a well-known American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. The company is recognized for its innovation in the semiconductor industry, offering a wide range of products including analog chips, embedded processors, and digital light processing (DLP) technology among others. TI’s components are used in a multitude of applications across industries such as automotive, industrial, personal electronics, and communications equipment. As a major player in the technology sector, Texas Instruments focuses on delivering high-quality, reliable, and energy-efficient products to meet the needs of modern electronic systems.

Application

The LM27313XMF is a DC-DC boost converter integrated circuit commonly used in applications requiring voltage stepping up. Its application areas include:
1. Portable Electronics: Used in devices like smartphones and tablets for efficient power management.
2. LED Drivers: Suitable for driving high-brightness LEDs in flashlights and display backlighting.
3. Battery-Powered Devices: Ideal for boosting battery voltage to power various components.
4. Industrial Equipment: Used in systems requiring stable voltage outputs from variable inputs.
5. Communication Devices: Supports power management in radios and other communication equipment.
These applications benefit from its high efficiency, compact size, and wide input voltage range.

Package

The LM27313XMF is typically housed in a SOT-23-5 package, which is a small, surface-mount package with five pins. This package type is commonly used for compact electronic components, providing a space-efficient solution for various applications like voltage regulation and power management.

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