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UC2844AD8TR
IC PWM BUCK BST FLYBCK CM 8SOIC
- Fabricante
- Mfr. Parte #UC2844AD8TR
- Paquete SOIC (D)-8
- Hoja de datos
- En stock5821
100% original & Nuevo
24 horas listos para el envío
Garantía de 365 días
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Especificaciones
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Down, Step-Up/Step-Down |
| OutputConfiguration | Positive, Isolation Capable |
| Topology | Boost, Buck, Flyback, Forward |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 10V ~ 30V |
| Frequency-Switching | Up to 500kHz |
| DutyCycle(Max) | 48% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Frequency Control |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Descripción general
Description
Key features include a high-performance error amplifier, a precise voltage reference, built-in protection mechanisms such as undervoltage lockout, current limiting, and thermal shutdown. The controller operates at a fixed frequency, reducing electromagnetic interference (EMI) and enhancing performance consistency across applications. The UC2844AD8TR is housed in an 8-pin SOIC package, facilitating easy integration into various circuit designs.
Overall, the UC2844AD8TR is valued for its reliability, efficiency, and versatility in power conversion applications, serving as a crucial component in various consumer electronics, industrial systems, and other applications requiring robust power management solutions.
Features
1. Current-Mode Control: Facilitates superior line regulation and simplifies loop stabilization.
2. Low Start-Up Current: Reduces power consumption during start-up, enhancing efficiency.
3. Wide Supply Voltage Range: Operates over a broad input voltage range, increasing its versatility across different applications.
4. High-Frequency Operation: Supports high-frequency switching, which can help reduce the size of external components and improve dynamic response.
5. Under-Voltage Lockout (UVLO): Offers protection by ensuring the device operates only when the supply voltage is above a certain threshold.
6. Totem-Pole Output: Provides efficient driving of power MOSFETs with fast switching capabilities.
7. Low Total Harmonic Distortion (THD): Enhances overall performance for applications requiring high power quality.
8. Short Circuit Protection: Built-in safeguards against short circuits to prevent damage to the system.
These features make the UC2844AD8TR suitable for applications in power supplies, DC-DC converters, and other power management systems requiring reliable performance and protection features.
Package
Pinout
1. Compensation (COMP): Used for compensating the control loop.
2. Voltage Feedback (VFB): Connects to the output voltage for regulation.
3. Current Sense (CS): Monitors the current through the power switch.
4. RT/CT: Sets the oscillator frequency via an external resistor and capacitor.
5. Ground (GND): Ground reference for the IC.
6. Output (OUT): Drives the gate of the power MOSFET or transistor.
7. VCC: Supplies the power to the IC.
8. VREF: Provides a reference voltage output.
This controller is commonly used in switched-mode power supplies and other power management applications due to its efficiency and precision control features.
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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