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LT8390EFE#PBF
IC REG CTRLR BUCK/BOOST 28TSS
- Fabricante
- Mfr. Parte #LT8390EFE#PBF
- Paquete 28-TSSOP Exposed Pad
- Hoja de datos LT8390EFE#PBF DataSheet
- En stock5337
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Especificaciones
| Package | Tube |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck-Boost |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4V ~ 60V |
| Frequency-Switching | 190kHz ~ 630kHz |
| DutyCycle(Max) | 95% |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| ControlFeatures | Current Limit, Frequency Control, Soft Start |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 28-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Descripción general
Description
One of its key features is the ability to control the output current and voltage precisely, which is crucial for driving high-brightness LEDs efficiently. It integrates a power-switching controller with peak current mode control and spread spectrum frequency modulation to reduce electromagnetic interference (EMI). Additionally, the device includes features like PWM dimming, fault protection, and a programmable switching frequency.
The LT8390EFE#PBF operates in temperatures ranging from -40°C to 125°C, ensuring reliability in harsh conditions. Its package, a thermally enhanced TSSOP, promotes effective heat dissipation, which is essential for high-power applications. Overall, the LT8390 is an excellent choice for advanced LED lighting solutions that demand flexibility, efficiency, and robust performance.
Features
1. Wide Input Voltage Range: Supports 4.5V to 60V, making it suitable for automotive, industrial, and battery-powered applications.
2. Output Voltage Range: Capable of delivering from 0V to 60V.
3. Constant-Current and Constant-Voltage Regulation: Offers precise LED current regulation and output voltage control.
4. Adjustable Switching Frequency: Can be set between 600kHz and 2MHz to optimize efficiency and minimize external component size.
5. 4-Switch Buck-Boost Topology: Allows seamless transition between buck and boost modes, enhancing efficiency and flexibility.
6. Spread Spectrum Frequency Modulation: Reduces electromagnetic interference (EMI) emissions.
7. Fault Protection Features: Includes overvoltage, overcurrent, and overtemperature protection for reliable operation.
8. PWM Dimming and Analog Dimming: Offers versatile options for LED brightness control.
9. High Efficiency: Due to its synchronous design, it achieves high efficiency in both buck and boost modes.
These features make the LT8390EFE#PBF a versatile and efficient solution for driving LEDs in a variety of demanding applications.
Package
Pinout
This device is housed in a 28-lead TSSOP (Thin Shrink Small Outline Package) with an exposed pad for better thermal performance. The package is identified as "EFE" in the part number, indicating the specific pin configuration and package style.
Key features of the LT8390 include:
- Wide input voltage range: 4.5V to 60V
- Wide output voltage range: up to 60V
- Adjustable switching frequency: 600kHz to 2MHz
- Programmable LED current
- PWM dimming and analog dimming
- Built-in protection features such as overvoltage, overcurrent, and thermal shutdown
The LT8390 is suitable for various LED driver applications, including automotive lighting, industrial lighting, and large LED displays, given its versatility and robust features.
Manufacturer
Application
Equivalent
1. Texas Instruments LM5176: A 4-switch buck-boost controller.
2. Maxim Integrated MAX25431: Automotive grade buck-boost controller.
3. Infineon TLE8396: Automotive buck-boost controller.
These alternatives offer similar functionalities but always check specific electrical and thermal requirements to ensure compatibility.
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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