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UC2825DWTR
IC REG CTRLR MULT TOP 16SOIC
- Fabricante
- Mfr. Parte #UC2825DWTR
- Paquete
- Hoja de datos UC2825DWTR DataSheet
- En stock2918
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Especificaciones
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| Number of Outputs | 2 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 8.4V ~ 30V |
| Frequency - Switching | 340kHz ~ 460kHz |
| Duty Cycle (Max) | 80% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Frequency Control, Ramp, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC |
| Base Product Number | UC2825 |
Descripción general
Description
Key features include programmable switching frequency, soft-start capability, and dead-time control, enhancing efficiency and performance. It also supports both continuous and discontinuous modes of operation, providing flexibility for different load conditions. The UC2825DWTR incorporates protection features like over-voltage and under-voltage lockout, ensuring safe operation.
The controller is available in a 20-pin DIP package, making it easy to integrate into designs. Its versatility makes it ideal for applications such as DC-DC converters, battery chargers, and power inverters. Overall, the UC2825DWTR is a reliable choice for engineers seeking a robust PWM controller for various power management tasks.
Features
1. Voltage Mode Control: Provides precise voltage regulation with minimal external components.
2. Integrated Error Amplifier: Features a high-gain error amplifier for accurate feedback and control.
3. Adjustable Frequency: Operates typically from 100 kHz to 500 kHz, allowing flexibility in design.
4. Soft Start: Includes a soft-start function to limit inrush current and prevent output overshoot during power-up.
5. Deadtime Control: Built-in deadtime control minimizes cross-conduction in the output stage, enhancing efficiency.
6. Overcurrent Protection: Features programmable current sensing for protection against overload conditions.
7. Thermal Shutdown: Includes thermal protection features to safeguard the device from overheating.
8. Low Standby Current: Designed to reduce power consumption in idle conditions.
These features make the UC2825DWTR suitable for a variety of applications, including DC-DC converters, adapters, and other power management systems.
Package
Pinout
1. VCC (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground connection.
3. COMP (Pin 3): Compensation node for the error amplifier.
4. SS (Pin 4): Soft start input.
5. FB (Pin 5): Feedback input for voltage regulation.
6. RT (Pin 6): Timing resistor connection for frequency setting.
7. CT (Pin 7): Timing capacitor connection.
8. ISENSE (Pin 8): Current sense input.
9. OUT (Pin 9): Output driver for the power stage.
10. OC (Pin 10): Output control for current limiting.
11. CT (Pin 11): Control terminal for frequency modulation.
12. TRI (Pin 12): Triangle wave generator output.
13. CS (Pin 13): Current sense feedback.
14. RAMP (Pin 14): Ramp generator connection.
15. DIS (Pin 15): Discharge for the timing capacitor.
16. PGND (Pin 16): Power ground connection.
The UC2825DWTR is widely used in power supply applications for its efficient voltage regulation and 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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