LMR62421XSD

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LMR62421XSD

+BOM

Texas Instruments

  • 제조업체텍사스 인스트루먼트(주)

  • 제조업체 부품 #LMR62421XSD

  • 재고4201

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치

개요

Description

The LMR62421XSD is a simple switcher step-up DC-DC converter from Texas Instruments. It is designed to efficiently boost input voltages as low as 2.7V to higher output voltages, up to 24V, making it ideal for battery-powered applications. The device offers a fixed frequency of 1.6 MHz for optimized performance with minimal external components, which helps in reducing the overall size of the power supply circuit. Key features include a 2.1A switch current limit, internal current mode compensation, and a soft-start function to minimize inrush current.
The device is packaged in a space-saving 10-pin WSON package, which enhances thermal performance and allows for a compact design. It also incorporates protection features such as thermal shutdown and cycle-by-cycle current limiting to ensure reliable operation. The LMR62421XSD is suitable for a variety of applications, including portable electronic devices, white LEDs, and wireless communications equipment, where a higher output voltage is required from a lower input voltage source.

Equivalent

The LMR62421XSD is a Texas Instruments step-up DC-DC converter. Equivalent products might include:
1. LT1615 by Analog Devices: A step-up DC-DC converter with similar voltage and current specifications.
2. MIC2605 by Microchip Technology: A boost converter with comparable features.
3. NCP1400 by ON Semiconductor: Another alternative with similar boosting capabilities.
Ensure that the chosen equivalent meets specific design requirements like voltage, current, and switching frequency. Always verify with datasheets for compatibility.

Features

The LMR62421XSD is a step-up (boost) DC-DC converter designed for applications that require efficient power management. Here are some key features:
1. Input Voltage Range: It operates with a wide input voltage range from 2.7V to 5.5V, making it suitable for battery-powered devices.
2. Output Voltage: Capable of boosting output voltage up to 24V, allowing flexibility in powering various components.
3. Efficiency: Offers high efficiency of up to 95%, ensuring minimal energy loss and prolonged battery life.
4. Switching Frequency: Operates at a fixed switching frequency of 1.6 MHz, which reduces the size of external components and improves performance.
5. Current Limit: Features an internal current limit to protect against overcurrent conditions.
6. Soft Start: Includes a built-in soft-start function to minimize inrush current and ensure smooth operation.
7. Thermal Shutdown: Equipped with thermal shutdown protection to prevent overheating.
8. Package: Available in a small, space-saving WSON package, suitable for compact designs.
These features make the LMR62421XSD ideal for portable electronics, LED drivers, and other applications requiring efficient voltage boosting.

Pinout

The LMR62421XSD is a step-up voltage regulator from Texas Instruments. It comes in a WSON-10 package, which means it has 10 pins. The primary function of the LMR62421XSD is to boost a lower input voltage to a higher output voltage, making it suitable for applications requiring voltage step-up, such as powering devices from battery sources where the output voltage needs to be higher than the battery voltage.
Key pin functions include:
1. VIN: Input voltage supply.
2. VOUT: Output voltage.
3. SW: Switch node, connecting to the external inductor.
4. FB: Feedback input, used to set the desired output voltage.
5. COMP: Compensation pin, used for stabilizing the feedback loop.
6. GND: Ground connection.
7. EN: Enable pin, used to turn the device on or off.
8. RSET: Resistor setting for adjustable current limit.
9. SS: Soft-start control.
10. NC or DAP: Not connected or used for thermal dissipation in some packages.
These are typical pin descriptions and may vary slightly depending on the specific application or version. Always refer to the manufacturer's datasheet for precise details.

Manufacturer

The LMR62421XSD is a product manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components. They are known for their analog and embedded processing products, which are widely used in various applications such as consumer electronics, automotive systems, industrial machinery, and communication devices. Texas Instruments operates in a variety of industries, providing essential technology solutions that power modern electronic systems.

Application

The LMR62421XSD is a step-up DC-DC converter, commonly used in applications requiring voltage boosting. Key application areas include:
1. Portable Electronics: Powering devices like cameras, handheld gaming consoles, and portable media players.
2. LED Lighting: Driving LED arrays by boosting battery voltage to the required LED operating voltage.
3. Communication Devices: Providing stable voltage supply for RF components in radios and transceivers.
4. Battery-Powered Devices: Extending battery life by efficiently managing power output in devices like GPS units and medical instruments.
5. Industrial Equipment: Supplying power to sensors and microcontrollers that need a higher voltage than the source provides.
Its compact size and high efficiency make it ideal for space-constrained applications.

Package

The LMR62421XSD is a step-up DC-DC converter integrated circuit from Texas Instruments. It comes in a 10-pin WSON (Wettable Flanks Small Outline No-lead) package, which is compact and suitable for space-constrained applications.

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