LM3414HVMR

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LM3414HVMR

LED Lighting Driver ICs

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  • Mfr. Partie #LM3414HVMR
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  • En stock18824

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Spécifications

Vue d'ensemble

Description

The LM3414HVMR is a high-efficiency, step-down (buck) LED driver designed for driving high-power LEDs in a variety of applications, such as automotive lighting, architectural lighting, and general illumination. It operates with a wide input voltage range of 4.5V to 60V, making it suitable for both low and high voltage systems.
Key features include a constant current output, adjustable current settings, and a high switching frequency that allows for smaller external components. The device also includes built-in protections like thermal shutdown, over-voltage, and under-voltage lockout, enhancing reliability and safety.
The LM3414HVMR supports both PWM dimming and analog dimming, providing flexibility in controlling brightness. It is packaged in a compact HTQFN package, facilitating easy integration into space-constrained designs. Overall, the LM3414HVMR is an effective solution for efficiently driving LEDs in diverse lighting applications while ensuring performance and reliability.

Features

The LM3414HVMR is a high-performance LED driver designed for driving high-brightness LEDs in various applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 40V, accommodating various power sources.
2. Constant Current Output: Provides a programmable constant current output for consistent LED brightness.
3. Integrated Switching Regulator: Features an efficient buck topology, enhancing power efficiency.
4. Adjustable Switching Frequency: Allows flexibility in design with a frequency range from 100 kHz to 1 MHz.
5. Thermal Protection: Includes thermal shutdown to prevent damage from overheating.
6. Dimming Control: Supports both analog and PWM dimming, enabling versatile control of LED brightness.
7. Compact Package: Available in a small 10-pin MSOP-EP package, facilitating space-constrained designs.
8. High Efficiency: Features efficiencies up to 90%, minimizing heat generation and power loss.
These attributes make the LM3414HVMR ideal for applications such as LED lighting, automotive lighting, and backlighting.

Package

The LM3414HVMR is packaged in a 16-pin HTSSOP (Thin Shrink Small Outline Package), which is designed for space-efficient layouts in applications such as LED drivers.

Pinout

The LM3414HVMR is a high-performance LED driver IC with a total of 16 pins. It is designed for driving high-brightness LEDs in various applications, including indoor and outdoor lighting.
Key pin functions include:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. SW: Switching node for the external inductor.
4. CSN/ CSP: Current sense inputs for controlling LED current.
5. COMP: Compensation for stability in feedback loop.
6. Rset: Sets the output current by connecting a resistor.
7. RCS: Sets the current sense threshold.
8. FB: Feedback input for regulating output voltage/current.
9. PWM: Pulse-width modulation control for dimming.
10. CT: Timing capacitor for soft-start and timing functions.
11. ISET: Sets the frequency of the internal oscillator.
12. SS: Soft-start control pin.
The device supports various modes of operation, including constant current and PWM dimming, making it versatile for LED lighting solutions.

Manufacturer

The manufacturer of the LM3414HVMR is Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company based in Dallas, Texas. Founded in 1930, it specializes in developing analog and embedded processing chips, which are widely used in various electronic devices. TI serves a diverse range of markets, including automotive, industrial, communications, and consumer electronics. The company is recognized for its innovation in technology and commitment to producing high-quality products that enhance performance and efficiency in electronic applications.

Application

The LM3414HVMR is a high-voltage LED driver primarily used in applications such as industrial lighting, architectural lighting, and outdoor signage. It supports constant current regulation for high-power LEDs, making it suitable for streetlights, floodlights, and various decorative lighting solutions. Its ability to handle high input voltages and provide efficient dimming options also makes it useful in automotive lighting and backlighting applications.

Equivalent

The LM3414HVMR is a high-voltage step-down (buck) LED driver. Equivalent products include:
1. LT3795 - High voltage LED driver with similar capabilities.
2. MAX16834 - Adjustable LED driver with high efficiency.
3. ISL97633 - High voltage, step-down LED driver.
4. NCP81074 - Buck LED driver with comparable features.
Always verify specifications for compatibility in specific applications.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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