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LMR62421XSD
+NomenclatureTexas Instruments
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FabricantTexas Instruments
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Pièce fabricant #LMR62421XSD
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En stock4201
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Spécifications
| Attribut | Valeur |
Présentation
Description
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
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
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
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
Application
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.