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LM5020MM-2
IC REG CTRLR FLYBACK 10MSOP
- Fabricante
- Mfr. Parte #LM5020MM-2
- Paquete
- Hoja de datos LM5020MM-2 DataSheet
- En stock3200
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Especificaciones
| Part Status | Obsolete |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Flyback |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 15V |
| Frequency - Switching | 200kHz ~ 630kHz |
| Duty Cycle (Max) | 50% |
| Synchronous Rectifier | No |
| Clock Sync | Yes |
| Control Features | Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 10-VSSOP |
| Base Product Number | LM5020 |
Descripción general
Description
Key features include a 1.5A peak gate drive capability, allowing it to efficiently manage power transistors, and a high switching frequency up to 1 MHz, which enables the use of smaller external components and minimizes overall system size. It also integrates protection features like cycle-by-cycle current limiting, under-voltage lockout, and thermal shutdown to enhance system reliability.
The LM5020MM-2 is commonly chosen for its ability to maintain stability across a wide range of operating conditions, offering designers flexibility and robust performance. Its compact package and energy-efficient operation are ideal for space-constrained applications, such as telecommunications, industrial power supplies, and automotive systems.
Features
1. Wide Input Voltage Range: It can handle input voltages from 6V to 60V, making it suitable for a broad range of applications.
2. Low Start-Up Current: The device features a low start-up current requirement, typically around 0.5 mA, which enhances efficiency during start-up phases.
3. High-Voltage Start-Up Regulator: It provides an internal start-up regulator to manage initial power-up conditions effectively.
4. Current-Mode Control: The LM5020MM-2 uses current-mode control, which offers advantages such as simple loop compensation and inherent pulse-by-pulse current limiting.
5. Adjustable Oscillator: The switching frequency can be adjusted with a single external resistor, providing design flexibility.
6. Slope Compensation: Integrated slope compensation can be adjusted, which is necessary for stability in high-frequency applications.
7. Cycle-by-Cycle Over-Current Protection: It features cycle-by-cycle current limiting to prevent damage due to over-current conditions.
8. Shutdown Functionality: A shutdown pin is available to put the device into a low-power mode, reducing power consumption when the circuit is not in use.
These features make the LM5020MM-2 suitable for efficient power supply designs in various electronic devices.
Package
Pinout
1. VCC: Provides power to the IC.
2. OUT: Gate drive output for the external MOSFET.
3. CS (Current Sense): Used for current limit detection.
4. COMP (Compensation): For compensation of the control loop.
5. FB (Feedback): Connects to the output voltage for regulation.
6. RT: Sets the oscillator frequency with an external resistor.
7. GND: Ground reference for the IC.
8. VIN: Input voltage supply for the IC.
The LM5020MM-2 is suitable for applications requiring efficient and precise power conversion with a wide input voltage range. It includes features like current mode control for better transient response and cycle-by-cycle current limiting.
Manufacturer
Application
Equivalent
1. UC3842 - A popular PWM controller for offline and DC-to-DC converter applications.
2. NCP1200 - A fixed-frequency PWM controller with a low standby power consumption.
3. TL494 - A versatile PWM controller used in various power supply applications.
4. MC34063 - A DC-to-DC converter controller for boosting, bucking, and inverting applications.
Always verify the specific application requirements and pin compatibility when considering alternatives.
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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