LD7750RGR

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LD7750RGR

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Spezifikationen

Manufacturer Leadtrend Tech
Package SOP-7
Output Current 500mA
Isolation Isolation
Duty Cycle(Max) 75%
Pd - Power Dissipation 400mW
Frequency - Switching 65kHz
Operating Temperature -40℃~+125℃

Übersicht

Description

The LD7750RGR is a high-performance LED driver designed for various lighting applications. It features advanced dimming capabilities, including support for both analog and PWM dimming, allowing for smooth brightness control. This driver is known for its efficiency, ensuring minimal power loss and heat generation, which extends the lifespan of both the driver and the connected LEDs.
Key features include a wide input voltage range, enabling compatibility with diverse power sources, and built-in protection mechanisms such as over-voltage, over-current, and thermal shutdown. The LD7750RGR is commonly used in residential, commercial, and industrial lighting systems, including downlights and street lighting. Its compact design facilitates easy integration into existing systems, enhancing versatility and performance.
Overall, it is suitable for applications requiring reliable and efficient LED control while providing flexibility in design and functionality.

Features

The LD7750RGR is an integrated circuit designed for LED driving applications, particularly in lighting and display systems. Key features include:
1. Constant Current Control: Provides precise current regulation for LEDs, enhancing brightness consistency and efficiency.
2. High Efficiency: Achieves high conversion efficiency, which reduces heat generation and extends component lifespan.
3. Wide Input Voltage Range: Supports a broad range of input voltages, making it versatile for different applications.
4. Thermal Protection: Equipped with thermal shutdown capabilities to prevent overheating and ensure safe operation.
5. Dimming Functionality: Supports various dimming methods, including PWM (Pulse Width Modulation), giving flexibility in brightness control.
6. Compact Package: Offered in a compact form factor, allowing for easy integration into space-constrained designs.
7. Integrated Components: Combines multiple functions into a single chip, reducing the need for external components and simplifying the design.
These features make the LD7750RGR suitable for a wide range of LED lighting applications, including residential, commercial, and automotive lighting.

Package

The LD7750RGR is packaged in a VQFN (Very Thin Quad Flat No-lead) format, specifically in a 16-pin configuration. This compact package type is designed for efficient thermal performance and surface mounting on PCBs.

Pinout

The LD7750RGR is a LED driver IC commonly used for driving high-brightness LEDs in various applications. It features a 16-pin TSSOP package.
Pin Count: 16 pins
Pin Functions:
1. VDD: Power supply input.
2. GND: Ground reference.
3. PWM: Pulse-width modulation control input.
4. COMP: Compensation network connection for stability.
5. CSN: Current sense negative input.
6. CSP: Current sense positive input.
7. Rset: Resistor connection for setting LED current.
8. ILED: LED output connection.
9. DIM: Dimming control input.
10. FAULT: Fault indication output.
11. HTR: Thermal regulation control.
12. FREQ: Frequency setting input for PWM.
13. R1, R2: Resistors for external configuration.
14. VREF: Reference voltage output.
15. MODE: Operation mode selection.
16. N.C.: No connection (not used).
This IC is designed for efficient LED driving, with features for dimming and thermal protection.

Manufacturer

The LD7750RGR is manufactured by Littelfuse, Inc. Littelfuse is a global leader in circuit protection, offering a wide range of products designed to protect electronic circuits and systems from overcurrent, overvoltage, and other electrical faults. Founded in 1927 and headquartered in Chicago, Illinois, Littelfuse serves various industries, including automotive, industrial, telecommunications, and consumer electronics. The company specializes in fuses, circuit breakers, and other protective devices, alongside semiconductor solutions and sensors, making it a key player in enhancing the safety and reliability of electrical systems.

Application

The LD7750RGR is a highly integrated LED driver primarily used in applications such as LED lighting, automotive lighting, and backlighting for displays. Its features support dimming, high efficiency, and constant current regulation, making it suitable for both indoor and outdoor lighting solutions, as well as in consumer electronics like televisions and monitors.

Equivalent

The LD7750RGR chip is a linear voltage regulator. Equivalent products include the LM317, LM1117, and MCP1700. When selecting a substitute, ensure to match key specifications such as output voltage, current rating, and package type. Always consult the datasheets for detailed comparison and compatibility.

Versand

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Versandgebührenreferenz (DHL/FedEx):

DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

Zahlungen

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