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LM3414HVMR
LED Lighting Driver ICs
- Fabricante
- Mfr. Parte #LM3414HVMR
- Paquete
- Hoja de datos
- En stock18824
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Especificaciones
Descripción general
Description
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
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
Pinout
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
Application
Equivalent
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.
Envío
Métodos de envíoNosotros
ofrecer servicios de envío globales a través de DHL, FedEx, TNT, UPS, o cualquier otro expediente de su elección.
Referencia de tarifas de envío (DHL/FedEx):
DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.
FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.
Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.
Pagos
Payment Methods
El plazo de pago es 100% prepagado.
Actualmente, solo aceptamos los siguientes métodos de pago:
1. de PayPal
2. Tarjeta de crédito/débito
3. Transferencia bancaria
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