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TPS54427DDAR
IC REG BUCK ADJUSTABLE 4A 8SOPWR
- Fabricante
- Mfr. Parte #TPS54427DDAR
- Paquete HSOIC (DDA)-8
- Hoja de datos
- En stock4624
100% original & Nuevo
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Garantía de 365 días
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Especificaciones
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SWIFT™, D-CAP2™ |
| 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 | 4A |
| Frequency-Switching | 650kHz |
| 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 high efficiency over a wide load range, due to its low RDS(on) MOSFETs and a constant frequency, current mode control that helps in achieving fast transient response and stable operation. The TPS54427DDAR also includes a fixed switching frequency of 700kHz, which strikes a balance between efficiency and component size, enabling the use of small external components.
Integrated features such as soft start, current limit, and thermal shutdown enhance reliability and protect against fault conditions. Additionally, its small footprint in a 8-pin SO PowerPAD package allows for compact, space-constrained designs. This makes it an ideal choice for applications in consumer electronics, industrial automation, and telecommunications.
Features
This converter is designed to achieve high efficiency, typically above 90%, by employing a synchronous rectification topology with integrated high-side and low-side MOSFETs. It operates with a fixed switching frequency of 700 kHz, providing a good balance between efficiency and component size.
Key features include a soft-start function to limit inrush current during startup, and current-mode control for fast transient response and ease of loop compensation. It also includes protection features such as overcurrent, overvoltage, and thermal shutdown.
The TPS54427DDAR is available in a thermally enhanced 8-pin SO PowerPAD package, which aids in heat dissipation. Its compact size and high efficiency make it ideal for use in various applications like consumer electronics, industrial equipment, and distributed power systems.
Package
Pinout
1. BOOT: Bootstrap capacitor connection for the high-side FET driver.
2. VIN: Input voltage supply pin.
3. SW: Switch node, connected to the inductor.
4. GND: Ground reference for the IC.
5. FB: Feedback pin for voltage regulation, connected to the output voltage through a resistor divider.
6. COMP: Compensation pin for the error amplifier, connects to external compensation network.
7. EN: Enable pin to turn the device on or off.
8. SS/TR: Soft-start and tracking pin, can be used to control the soft-start time or track an external voltage.
This converter is designed for ease of use, offering features like adjustable switching frequency, soft-start, and enable control, making it suitable for a wide range of applications in power management.
Manufacturer
Application
Equivalent
1. LM2596 - A popular buck converter by Texas Instruments.
2. MP1584 - A compact buck converter by Monolithic Power Systems.
3. AP3211 - A low-cost buck converter by Diodes Incorporated.
4. XL4015 - A high-power buck converter by XLSEMI.
These alternatives have similar functionalities but may differ in specific features like input voltage, output current, and efficiency. Always check datasheets for exact specifications and 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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