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LTC7818IUJ#WTRPBF
BUCK/BUCK/BOOST SYNC CTL, 40V, 3
- Fabricante
- Mfr. Parte #LTC7818IUJ#WTRPBF
- Paquete
- Hoja de datos LTC7818IUJ#WTRPBF DataSheet
- En stock26293
100% original & Nuevo
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Garantía de 365 días
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Especificaciones
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck-Boost |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 40V |
| Frequency - Switching | 100kHz ~ 3MHz |
| Duty Cycle (Max) | 100% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 40-WFQFN Exposed Pad |
| Supplier Device Package | 40-QFN (6x6) |
Descripción general
Description
Key features include selectable frequency operation (up to 1MHz), current mode control for excellent transient response, and built-in protection mechanisms like output overvoltage and thermal shutdown. Its compact package allows for efficient thermal management and PCB design, making it ideal for space-constrained applications.
The LTC7818 also supports advanced features like soft-start, selectable power good, and synchronization capabilities, enhancing its versatility in various power management scenarios. Overall, it is a robust solution for designers seeking reliable and efficient power conversion in demanding environments.
Features
1. Wide Input Voltage Range: Accepts input voltages from 4.5V to 60V.
2. High Efficiency: Offers up to 95% efficiency, minimizing power loss and heat generation.
3. Adaptive On-Time Control: Provides optimal transient response and eliminates the need for external compensation components.
4. Programmable Output Voltage: Adjustable output voltage down to 0.8V, enabling versatility for various applications.
5. Internal Power Switches: Integrates high-side and low-side MOSFETs, reducing board space and component count.
6. Frequency Operation: Configurable switching frequency from 100kHz to 1.5MHz, allowing trade-offs between size and efficiency.
7. Soft-Start Feature: Reduces inrush current during startup, enhancing system reliability.
8. Protection Features: Includes overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.
These features make the LTC7818 ideal for a range of applications, including industrial, automotive, and telecommunications power systems.
Package
Pinout
Key functions of the LTC7818 include:
1. Voltage Regulation: It provides a programmable output voltage with a range suitable for various applications.
2. Current Mode Control: This enhances stability and transient response.
3. Synchronization: The device supports synchronization to an external clock.
4. Power Good Indicator: It includes a power good output to indicate proper operation.
5. Soft-Start: It has a soft-start feature to control inrush current during power-up.
6. Enable/Disable Control: The IC can be enabled or disabled for power management.
7. Thermal Shutdown: It incorporates protection features like thermal shutdown to prevent damage.
The LTC7818 is designed for applications such as telecommunications, industrial equipment, and other high-performance power supply needs.
Manufacturer
Application
Equivalent
1. LM5145-Q1 - Texas Instruments
2. TPS563201 - Texas Instruments
3. LTC3777 - Analog Devices
4. MAX17520 - Maxim Integrated
5. RT8098 - Richtek
Always verify specifications and compatibility for your specific application.
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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