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LMR51420YDDCR
SIMPLE SWITCHER POWER CONVERTER
- Fabricante
- Mfr. Parte #LMR51420YDDCR
- Paquete SOT-23-THN (DDC)-6
- Hoja de datos LMR51420YDDCR DataSheet
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Especificaciones
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 36V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 34.2V |
| Current-Output | 2A |
| Frequency-Switching | 1.1MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 Thin, TSOT-23-6 |
Descripción general
Description
Key features of the LMR51420YDDCR include high efficiency over a wide load range, a fixed switching frequency of 2.2 MHz that allows for the use of smaller inductor and capacitors, and an integrated high-side and low-side MOSFET for reduced component count and enhanced reliability. The device also offers features like internal compensation, current mode control for fast transient response, and protection mechanisms such as cycle-by-cycle current limit, thermal shutdown, and output short protection.
Its compact and thermally efficient WSON (small-outline no lead) package makes it well-suited for space-constrained applications in consumer electronics, automotive, and industrial systems.
Features
1. Input Voltage Range: Operates from 4.5V to 36V, making it suitable for a wide range of applications, including industrial and automotive systems.
2. Output Current: Capable of delivering up to 2A continuous output current.
3. Switching Frequency: Adjustable or fixed switching frequency options, typically around 1MHz, which allows for compact, smaller external components.
4. Efficiency: High efficiency up to 90% helps in reducing power loss and thermal management challenges.
5. Low Quiescent Current: This feature extends battery life in portable applications by minimizing power consumption when the device is not actively switching.
6. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable and safe operation.
7. Package: Available in a small VSON package, which is advantageous for space-constrained applications.
These features make the LMR51420YDDCR an excellent choice for designers looking for a compact, efficient, and reliable DC-DC buck converter for various applications.
Package
Pinout
1. SW (Pin 1): Switch node connected to the inductor.
2. VIN (Pin 2): Input voltage supply pin.
3. EN (Pin 3): Enable pin to turn the device on or off.
4. FB (Pin 4): Feedback pin for output voltage regulation.
5. RT/CLK (Pin 5): Resistor timing or external clock synchronization pin.
6. GND (Pin 6): Ground return for the device.
7. VCC (Pin 7): Internal regulator output voltage, typically used to supply the internal circuitry.
8. BOOT (Pin 8): Bootstrap capacitor connection for high-side driver supply.
This configuration supports efficient power conversion for a variety of applications requiring a compact footprint.
Manufacturer
Application
Equivalent
1. Microchip MCP16311 – a high-efficiency buck regulator.
2. Analog Devices ADP2300 – a 2A, 1.2MHz, step-down DC-DC regulator.
3. Maxim Integrated MAX6399 – a compact, high-efficiency buck converter.
4. ON Semiconductor NCP1117 – although typically a linear regulator, some variants can be considered depending on the voltage and current specifications.
Please verify each alternative for specific design requirements 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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