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RT7257BHZSP
IC REG BUCK ADJ 3A 8SOP
- Fabricante
- Mfr. Parte #RT7257BHZSP
- Paquete
- Hoja de datos RT7257BHZSP DataSheet
- En stock3316
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Especificaciones
| Part Status | Active |
| Base Product Number | RT7257 |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 12V |
| Current - Output | 3A |
| Frequency - Switching | 1.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| Supplier Device Package | 8-SOP-EP |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Descripción general
Description
Key features of the RT7257BHZSP include a high switching frequency, which allows for smaller external components and a compact design, enhancing its suitability for space-constrained applications. It also incorporates protection features such as over-current protection and thermal shutdown to ensure reliable operation.
The device is typically used in consumer electronics, industrial systems, and communication devices where efficient power conversion is necessary. The "SP" in its designation often refers to the specific packaging type, which affects its thermal performance and ease of integration onto printed circuit boards.
Overall, the RT7257BHZSP is valued for its efficiency, reliability, and compact form factor, making it a popular choice for engineers designing power supply circuits.
Features
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 18V, making it versatile for various applications.
2. Output Current: The device can deliver up to 3A of continuous output current, suitable for powering high-performance processors and other demanding components.
3. High Efficiency: With synchronous rectification and a low RDS(ON), the converter achieves high efficiency across a wide load range.
4. Switching Frequency: Operates at a fixed frequency of 500kHz, which helps in reducing the size of external components and ensures fast transient response.
5. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout (UVLO) to ensure robust operation.
6. Compact Package: Available in a compact 8-lead SOP-EP package, facilitating space-constrained designs.
7. Adjustable Output Voltage: The output voltage can be set through external resistors, providing flexibility for different voltage requirements.
These features make the RT7257BHZSP suitable for various applications, including consumer electronics, industrial equipment, and communications devices, where efficient and reliable power conversion is crucial.
Package
Pinout
1. VIN (Pin 1): Input voltage supply pin.
2. SW (Pin 2): Switching node, connected to the inductor.
3. GND (Pin 3): Ground pin.
4. FB (Pin 4): Feedback pin to monitor output voltage.
5. EN (Pin 5): Enable pin, used to enable or disable the device.
6. BS (Pin 6): Bootstrap pin for driving the high-side MOSFET.
The RT7257BHZSP is typically used in applications requiring efficient voltage conversion, with features like high efficiency, adjustable output voltage, and good load regulation.
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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