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LT3990IDD#TRPBF
IC REG BUCK ADJ 350MA 10DFN
- Fabricante
- Mfr. Parte #LT3990IDD#TRPBF
- Paquete 10-WFDFN
- Hoja de datos LT3990IDD#TRPBF DataSheet
- En stock5002
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Especificaciones
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.2V |
| Voltage-Input(Max) | 62V |
| Voltage-Output(Min/Fixed) | 1.21V |
| Voltage-Output(Max) | 25V |
| Current-Output | 350mA |
| Frequency-Switching | 210kHz ~ 2.3MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
Descripción general
Description
Key features include a 3.3A output current capability, high efficiency over a broad load range, and a low quiescent current, which is beneficial for battery-powered applications. The device supports input voltages up to 60V and can regulate outputs as low as 0.8V. The LT3990 uses a 300kHz fixed-frequency PWM (Pulse Width Modulation) operation, providing a stable and reliable performance.
Moreover, it includes protection features such as cycle-by-cycle current limit, thermal shutdown, and output overvoltage protection, ensuring robust operation across different conditions. The LT3990IDD#TRPBF is housed in a thermally enhanced 10-lead Plastic DFN package, promoting effective heat dissipation. This makes it suitable for demanding environments where thermal performance and space efficiency are critical.
Features
1. Input Voltage Range: 4V to 60V, making it suitable for a variety of applications, including automotive and industrial.
2. Output Current: Delivers up to 350mA of continuous output current.
3. Switching Frequency: Adjustable from 200kHz to 2.5MHz, allowing a trade-off between efficiency and component size.
4. Efficiency: High efficiency up to 90% due to its synchronous design, which reduces power loss.
5. Low Quiescent Current: Designed with low quiescent current operation for high efficiency at light loads, making it suitable for battery-powered applications.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout.
7. Package: Offered in a thermally enhanced 8-lead (3mm x 3mm) DFN package for efficient heat dissipation.
These features make the LT3990IDD#TRPBF ideal for applications requiring robust performance and efficiency in a compact form factor.
Package
Pinout
Manufacturer
Application
Equivalent
1. Texas Instruments LM2678: 5A Step-Down Voltage Regulator.
2. Microchip MCP16311: High-Efficiency, 3A Synchronous Buck Regulator.
3. ON Semiconductor NCP3170: High Current Synchronous Buck Converter.
4. Monolithic Power Systems MP1584: 3A Step-Down Converter.
Ensure compatibility with your specific application requirements when considering equivalents.
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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