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UC3824DW
IC REG CTRLR BUCK/BOOST 16SOIC
- Fabricante
- Mfr. Parte #UC3824DW
- Paquete 16-SOIC
- Hoja de datos UC3824DW DataSheet
- En stock4895
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Especificaciones
| Package | Bulk,Tube |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck, Boost |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 8.4V ~ 30V |
| Frequency-Switching | 340kHz ~ 460kHz |
| DutyCycle(Max) | 85% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Current Limit, Enable, Frequency Control, Ramp, Soft Start |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.295, 7.50mm Width) |
Descripción general
Description
The UC3824DW features a wide range of functionalities including a fixed-frequency oscillator, a high-gain error amplifier, and a precision PWM comparator. It also integrates a current-sensing comparator and an undervoltage lockout mechanism, which help enhance its reliability and performance in power regulation tasks. The device operates efficiently over a wide input voltage range and supports current-mode or voltage-mode control architectures.
One of the key aspects of the UC3824DW is its ability to facilitate high-speed power switching, making it suitable for applications requiring precise power management such as telecommunications, server power supplies, and industrial equipment. Its DW suffix indicates the surface-mount SOIC package, which is compact and suitable for space-limited applications.
Overall, the UC3824DW is valued for its robust performance, versatility, and reliability in various power supply applications.
Features
1. Wide Supply Voltage Range: Operates between 8V to 30V.
2. High-Frequency Operation: Supports switching frequencies up to 1 MHz, allowing for compact and efficient designs.
3. Current Mode Control: Provides improved loop response and simple pulse-by-pulse current limiting.
4. Error Amplifier: Features a high-speed error amplifier for precise voltage regulation.
5. Undervoltage Lockout (UVLO): Ensures the controller starts only when the supply voltage is within a specified range, enhancing reliability.
6. Totem-Pole Output: Provides high current drive capability for fast switching of external MOSFETs or transistors.
7. Soft-Start Capability: Integrates a soft-start function to prevent inrush current during startup.
8. Low Start-Up Current: Reduces the power consumption during the startup phase.
9. Programmable Oscillator: Allows for adjustable frequency settings to suit different application requirements.
These features make the UC3824DW suitable for a variety of power supply and DC-DC converter applications, ensuring efficient and reliable performance.
Package
Pinout
1. Comp (1): Compensation for the error amplifier.
2. VFB (2): Voltage feedback input.
3. ILIM/SD (3): Current limit or shutdown input.
4. RT/CT (4): Timing resistor and capacitor for setting oscillator frequency.
5. GND (5): Ground reference.
6. OSC OUT (6): Oscillator output.
7. DISCH (7): Discharge pin for timing capacitor.
8. VCC (8): Supply voltage input.
9. VC (9): Output stage supply voltage.
10. OUT A (10): Channel A output.
11. PGND (11): Power ground.
12. OUT B (12): Channel B output.
13. SYNC (13): Synchronization input.
14. RD (14): Ramp discharge input.
15. SENSE (15): Current sense input.
16. REF (16): Reference voltage output.
These functions enable the UC3824DW to efficiently manage and control the power delivery in various electronic circuits.
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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