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TPS54228DDAR
IC REG BUCK ADJUSTABLE 2A 8SOPWR
- Fabricante
- Mfr. Parte #TPS54228DDAR
- Paquete SOP-8
- Hoja de datos
- En stock6290
100% original & Nuevo
24 horas listos para el envío
Garantía de 365 días
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Especificaciones
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | D-CAP2™, Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.76V |
| Voltage-Output(Max) | 7V |
| Current-Output | 2A |
| Frequency-Switching | 700kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Descripción general
Description
Key features include a high switching frequency of up to 2 MHz, allowing for smaller external components, and a low-quiescent current, which enhances efficiency during light-load conditions. The TPS54228DDAR incorporates current-mode control, offering fast transient response and simplified loop compensation. It also includes built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring robust operation.
Packaged in a thermally enhanced 8-pin SO PowerPAD™ package, the TPS54228DDAR allows for efficient heat dissipation. Its design facilitates easy implementation in space-constrained environments, making it a versatile choice for designers looking to optimize power solutions in their electronic circuits.
Features
1. Wide Input Voltage Range: It supports an input voltage range from 4.5V to 18V, making it versatile for different power sources.
2. Adjustable Output Voltage: It can deliver an adjustable output voltage as low as 0.8V, facilitating diverse application needs.
3. High Efficiency: The device is optimized for efficiency, achieving up to 95% under typical conditions.
4. Output Current: It can supply up to 2A of continuous output current, suitable for powering small to medium loads.
5. Switching Frequency: With a fixed frequency of 700 kHz, it balances efficiency and component size.
6. Current Mode Control: Ensures fast transient response and easy loop compensation.
7. Internal Soft Start: Reduces inrush current during startup.
8. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
9. Compact Package: Available in a small SO-8 package, ideal for space-constrained applications.
These features make the TPS54228DDAR a robust solution for point-of-load applications in consumer electronics, telecom, and industrial systems.
Package
Pinout
1. BOOT: Connects to a bootstrap capacitor to supply the high-side FET driver.
2. VIN: Input supply voltage that powers the device.
3. EN: Enable pin to turn the device on or off.
4. SS/TR: Soft start or tracking input to control the output voltage ramp.
5. COMP: Compensation pin for loop stability.
6. GND: Ground connection.
7. SW: Switch node, connected to the inductor.
8. FB: Feedback input for regulating the output voltage.
This device is used in applications requiring step-down voltage conversion with high efficiency, suitable for powering processors, memory, and other digital circuits.
Manufacturer
Application
Equivalent
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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