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TPS54334DDA
IC REG BUCK ADJUSTABLE 3A 8SOPWR
- Fabricante
- Mfr. Parte #TPS54334DDA
- Paquete HSOIC (DDA)-8
- Hoja de datos
- En stock3973
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Especificaciones
| Package | Bulk,Tube |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.2V |
| Voltage-Input(Max) | 28V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 24V |
| Current-Output | 3A |
| Frequency-Switching | 570kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Descripción general
Description
Key features of the TPS54334DDA include a low minimum on-time, fixed switching frequency of 500kHz, and the ability to start up seamlessly with pre-biased loads. It incorporates multiple protection features, such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring robust and reliable operation. The device is housed in an 8-pin SO PowerPAD™ package, which enhances thermal performance.
The TPS54334DDA is suitable for a variety of applications, including consumer electronics, industrial equipment, and telecom systems, where efficient power management and compact size are crucial. Its ease of use, combined with high performance and integration, makes it a popular choice for designers looking to implement compact and efficient power solutions.
Features
1. Input Voltage Range: It supports a wide input voltage range from 4.5 V to 28 V, making it suitable for various power sources.
2. Output Current: The device can deliver up to 3 A of continuous output current.
3. Efficiency: High efficiency across a wide load range due to its low RDS(on) power MOSFETs.
4. Switching Frequency: Offers a fixed switching frequency of 500 kHz, which helps in reducing the size of external components.
5. Adjustable Output: The output voltage is adjustable via an external resistor divider.
6. Soft-Start: Built-in soft-start to limit inrush current during startup.
7. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and frequency fold-back to protect the device and load.
8. Package: Available in an 8-pin SO PowerPAD™ package, optimized for thermal performance.
These features make the TPS54334DDA an excellent choice for applications requiring a compact, efficient, and flexible power supply solution.
Package
Pinout
1. VIN: Input voltage supply pin.
2. GND: Ground pin.
3. SW: Switch node, connected to the output inductor.
4. BOOT: Bootstrap capacitor connection for high-side gate drive.
5. VSENSE: Feedback voltage to the internal error amplifier.
6. EN: Enable pin to turn the device on or off.
7. RT/CLK: Resistor timing or clock input for frequency adjustment or synchronization.
8. COMP: Compensation pin for external compensation network connection.
These pins allow the TPS54334DDA to perform its function as a high-efficiency step-down (buck) converter, suitable for a wide range of applications requiring a regulated output voltage from a higher unregulated input voltage.
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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