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LT8390IUFD#PBF
IC REG CTRLR BUCK/BOOST 28QFN
- Fabricante
- Mfr. Parte #LT8390IUFD#PBF
- Paquete 28-WFQFNExposedPad
- Hoja de datos LT8390IUFD#PBF DataSheet
- En stock7452
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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-WFQFN Exposed Pad |
Descripción general
Description
Key features of the LT8390IUFD#PBF include its synchronous switching architecture, which improves efficiency by reducing power losses, and its ability to provide PWM dimming for precise brightness control of LEDs. The device also incorporates a wide array of protections, such as overcurrent, overvoltage, and thermal shutdown, ensuring reliable operation in demanding conditions.
The IC is housed in a thermally enhanced 5mm x 5mm QFN package, enabling efficient heat dissipation. Its compact design and high performance make it suitable for applications in automotive lighting, industrial lighting, and general-purpose LED illumination where space and power efficiency are critical.
Features
1. Wide Input Voltage Range: Operates from a 4V to 60V input, suitable for automotive and industrial applications with varying input voltage conditions.
2. Buck, Boost, and Buck-Boost Mode: Capable of operating in buck, boost, or buck-boost modes to accommodate input voltages above, below, or equal to the output voltage.
3. High Efficiency: Offers high efficiency over a wide range of input voltages and loads, which is crucial for reducing heat and improving reliability.
4. PWM Dimming: Supports high PWM dimming ratios for LED brightness control, up to 1000:1 dimming ratio.
5. Protection Features: Includes protection mechanisms like overvoltage, overcurrent, and thermal shutdown, enhancing the safety and reliability of the LED system.
6. Constant-Current and Constant-Voltage Regulation: Provides flexibility for driving LEDs with precise current control.
These features make the LT8390IUFD#PBF a robust choice for LED lighting applications requiring adaptive voltage regulation and efficient power conversion.
Package
Pinout
The LT8390IUFD#PBF features include seamless transition between step-up and step-down modes, programmable switching frequency, spread spectrum frequency modulation to reduce EMI, and robust fault protection features like overvoltage, overcurrent, and thermal shutdown.
In summary, the LT8390IUFD#PBF is a versatile power management IC with a 28-pin configuration, suitable for applications requiring efficient and flexible power conversion.
Manufacturer
Application
Equivalent
1. Texas Instruments TPS92682-Q1: A synchronous buck-boost LED driver for automotive applications.
2. Microchip Technology MCP16311: A high-efficiency buck-boost DC/DC converter.
3. Maxim Integrated MAX16990: A high-voltage, synchronous buck-boost LED controller.
Ensure to cross-verify specifications like input voltage range, switching frequency, and current output 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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