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LM34936RHFR
.5-55VIN 4 SWITCH BUCK-BOOST CON
- Fabricante
- Mfr. Parte #LM34936RHFR
- Paquete VQFN-28
- Hoja de datos
- En stock4201
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Especificaciones
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck-Boost |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4.2V ~ 30V |
| Frequency-Switching | 100kHz ~ 600kHz |
| DutyCycle(Max) | 100% |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| ControlFeatures | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 28-VFQFN Exposed Pad |
Descripción general
Description
It offers synchronous rectification, minimizing losses associated with diode rectification, and includes features like soft-start, adjustable switching frequency, and programmable current limit. These features enhance the flexibility and reliability of the boost converter design. The controller is also equipped with protection mechanisms such as undervoltage lockout, overtemperature shutdown, and short-circuit protection to ensure safe operation.
The LM34936RHFR is typically used in applications requiring efficient power conversion, such as battery-powered devices, automotive systems, and industrial equipment. Due to its compact VQFN package, it is suitable for space-constrained designs. Overall, the LM34936RHFR provides a robust solution for designers looking to implement step-up voltage regulation with high efficiency and reliability.
Features
1. Wide Input Voltage Range: Supports a broad input voltage range, making it versatile for various power supply applications.
2. Synchronous Operation: Utilizes synchronous rectification to improve efficiency by reducing power losses.
3. Adjustable Switching Frequency: Allows users to set the switching frequency between 100 kHz and 1 MHz, optimizing trade-offs between efficiency and component size.
4. Programmable Soft Start: Offers a programmable soft-start feature to limit inrush currents during startup.
5. Integrated MOSFET Drivers: Includes integrated high-side and low-side MOSFET drivers for ease of design and improved performance.
6. Current Mode Control: Employs peak current mode control for fast transient response and ease of loop compensation.
7. Protection Features: Provides comprehensive protection features, including undervoltage lockout, overcurrent protection, and thermal shutdown.
8. Power Good Indicator: Features a power-good output to indicate the status of the output voltage.
9. Compact Package: Available in a thermally enhanced package for efficient heat dissipation in space-constrained designs.
These features make the LM34936RHFR suitable for industrial, telecommunications, and computing applications where efficient power conversion is crucial.
Package
Pinout
Key functions of the LM34936RHFR include:
1. Buck-Boost Operation: Seamlessly transitions between buck and boost modes based on input and output voltage conditions.
2. High Efficiency: Synchronous rectification and adaptive switching for improved efficiency.
3. Input and Output Range: Wide input voltage range and adjustable output voltage, making it suitable for a variety of applications.
4. Protection Features: Includes overvoltage, undervoltage, overcurrent, and thermal protection to enhance system reliability.
5. Frequency Synchronization: Allows for synchronization with an external clock for reduced EMI.
This controller is commonly used in applications like telecommunications, industrial equipment, and automotive systems where reliable power conversion is crucial.
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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