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TL2844BDR-8
IC REG CTRLR BST FLYBK PWM 8SOIC
- Fabricante
- Mfr. Parte #TL2844BDR-8
- Paquete
- Hoja de datos TL2844BDR-8 DataSheet
- En stock3250
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Especificaciones
| Part Status | Active |
| Base Product Number | TL2844 |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, Flyback, Forward |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 30V |
| Frequency - Switching | Up to 500kHz |
| Duty Cycle (Max) | 48% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Frequency Control |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Descripción general
Description
Key features of the TL2844BDR-8 include its wide operating voltage range and low start-up current, which enhance its efficiency in power management applications. It typically operates at a fixed frequency, which helps in simplifying the design process and improving the predictability of performance in various applications.
The device is housed in an SOIC-8 package, which is a small outline integrated circuit with eight pins, making it compact and suitable for space-constrained applications. Common applications of the TL2844BDR-8 include use in switch-mode power supplies, battery chargers, and other power conversion systems. Its design incorporates robust protection features such as over-temperature and over-current protection, ensuring reliable operation in various conditions.
Features
1. Low Dropout Voltage: This allows the regulator to maintain a stable output voltage even with a minimum difference between input and output voltages.
2. Fixed Output Voltage: The regulator provides a precise and stable output voltage, facilitating consistent performance across applications.
3. Thermal Protection: Integrated thermal shutdown prevents overheating, enhancing reliability and safety.
4. Current Limiting: Protects the device from excessive current, ensuring longevity and stability in operation.
5. Surface-Mount Package: Available in the small-outline SOIC package, ideal for space-constrained applications.
6. Wide Input Voltage Range: This feature makes the TL2844BDR-8 versatile for use in various power supply configurations.
7. High Output Current Capability: Supports a robust output current, suitable for driving a range of loads.
These features make the TL2844BDR-8 a reliable choice for applications requiring efficient and stable voltage regulation.
Package
Pinout
1. Compensation (COMP): This pin is used for compensating the control loop of the power supply.
2. Voltage Feedback (VFB): It receives the voltage feedback from the output to regulate the power supply.
3. Current Sense (ISENSE): Monitors the current to protect against overcurrent conditions.
4. RT/CT (Timing Resistor/Capacitor): Sets the oscillator frequency with an external resistor and capacitor.
5. Ground (GND): The common ground reference for the device.
6. Output (OUT): Drives the gate of the external power MOSFET.
7. VCC (Supply Voltage): Powers the IC.
8. Voltage Reference (VREF): Provides a stable reference voltage for the PWM.
These pins work together to regulate the output voltage, sense current, and drive an external switching device, making the TL2844BDR-8 suitable for a variety of power supply applications.
Manufacturer
Application
Equivalent
1. UC3844: A widely used PWM controller with similar functions.
2. NCP1200: Offers similar operational characteristics and applications.
3. SG6848: Another PWM controller with comparable features.
4. LM2841: Although not a direct equivalent, it serves similar applications with integrated features.
5. MC33063: Offers similar functionality for DC-DC converter applications.
Always verify pin configurations and specifications as they may vary between manufacturers.
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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