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LT3790EFE#PBF
IC REG CTRLR BUCK-BOOST 38TSSOP
- Fabricante
- Mfr. Parte #LT3790EFE#PBF
- Paquete
- Hoja de datos LT3790EFE#PBF DataSheet
- En stock2060
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Especificaciones
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck-Boost |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.7V ~ 60V |
| Frequency - Switching | 200kHz ~ 700kHz |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 38-TSSOP-EP |
| Base Product Number | LT3790 |
Descripción general
Description
Key features include programmable output current, high efficiency, and a built-in high-voltage switch, which simplifies design and reduces component count. It also includes protections against over-voltage, over-temperature, and short circuits, enhancing the reliability of the application. The IC is housed in a compact package, making it ideal for space-constrained applications.
This driver is commonly used in automotive lighting, architectural lighting, and general LED illumination systems. Its ability to handle different LED types and configurations makes it a popular choice among engineers looking for robust LED driving solutions.
Features
1. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various power supply configurations.
2. Constant Current Control: Provides precise LED drive current regulation for uniform brightness and improved efficiency.
3. Boost or Buck-Boost Operation: Supports both boost and buck-boost converter topologies, making it versatile for different circuit designs.
4. High Efficiency: Achieves efficiencies over 90% under typical conditions, reducing heat generation and improving reliability.
5. Programmable Switching Frequency: Adjustable frequency from 100 kHz to 1 MHz, allowing for optimization based on application requirements.
6. Thermal Protection: Integrated thermal shutdown feature enhances safety by preventing overheating.
7. Dimming Capability: Supports PWM dimming for flexible brightness control.
8. Integrated Components: Includes necessary components like voltage reference and error amplifier, simplifying design.
These features make the LT3790EFE#PBF suitable for a wide range of LED lighting applications, from commercial to residential uses.
Package
Pinout
Key functions of the LT3790 include:
1. Constant Current Control: Regulates LED current for uniform brightness.
2. PWM Dimming: Supports pulse-width modulation for dimming control.
3. Input Voltage Range: Operates from 4.5V to 60V, suitable for a wide range of applications.
4. Switching Frequency: Adjustable frequency up to 1MHz for efficient power management.
5. Integrated Compensator: Simplifies the design of the control loop.
6. Thermal Protection: Prevents overheating and ensures reliability.
The LT3790 is typically used in applications requiring precise LED current control and efficiency.
Manufacturer
Application
Equivalent
Envío
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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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