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UCC2813DTR-0
+NomenclatureIC REG CTRLR MULT TOPOLOGY 8SOIC
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FabricantTexas Instruments
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Pièce fabricant #UCC2813DTR-0
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Fiche technique UCC2813DTR-0 DataSheet
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En stock8
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, Flyback, Forward Converter |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 6.9V ~ 12V |
| Duty Cycle (Max) | 99% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Frequency Control |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | UCC2813 |
Présentation
Description
Key features include programmable switching frequency, soft-start capability, and integrated gate drivers for both high-side and low-side MOSFETs, allowing for efficient power management. The controller also incorporates features like cycle-by-cycle current limiting and thermal shutdown to ensure reliability and safety.
The UCC2813DTR-0 is typically used in applications such as telecommunications, industrial power supplies, and battery chargers, where efficiency and performance are critical. Its compact package and robust design make it an ideal choice for modern power supply designs.
Equivalent
Features
1. High Efficiency: Designed to optimize efficiency at light loads and minimize power losses.
2. Peak Current Mode Control: Offers inherent current limiting and improved transient response.
3. Voltage Regulation: Provides tight output voltage regulation with minimal output ripple.
4. Integrated Soft-Start: Reduces inrush current and prevents output overshoot during startup.
5. Programmable Switching Frequency: Allows flexibility in design to optimize performance for various applications.
6. Under-Voltage Lockout (UVLO): Protects against low input voltage conditions, ensuring stable operation.
7. Thermal Shutdown: Prevents overheating by shutting down the IC during excessive temperature conditions.
8. Low Standby Power Consumption: Ideal for energy-efficient designs in applications requiring low power usage.
These features make the UCC2813DTR-0 suitable for a wide range of power supply applications, including isolated and non-isolated designs.
Pinout
Pin Count: 16 pins
Functions:
1. Vin (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. COMP (Pin 3): Compensation network connection for stability.
4. CS (Pin 4): Current sense input.
5. RAMP (Pin 5): Timing capacitor connection for ramp generation.
6. CT (Pin 6): Timing capacitor connection for oscillator frequency.
7. RT (Pin 7): Timing resistor connection for setting frequency.
8. VREF (Pin 8): Voltage reference output.
9. SOFT-START (Pin 9): Soft-start control for gradual output rise.
10. VCC (Pin 10): Power supply for the controller.
11. PWM (Pin 11): Pulse-width modulation output.
12. GATE (Pin 12): Gate drive output for the power switch.
13. FB (Pin 13): Feedback input for regulating output voltage.
14. SENSE (Pin 14): Auxiliary current sense.
15. RT/CT (Pins 15 & 16): Timing configuration pins.
This controller is widely used in switch-mode power supplies for its efficiency and performance features.
Manufacturer
Application
1. Switching Power Supplies: For DC-DC converters, including step-down (buck) and boost converters.
2. Power Factor Correction (PFC): Enhancing efficiency in AC-DC converters.
3. Battery Chargers: Optimizing charging profiles for various battery technologies.
4. Telecommunications Equipment: Providing reliable power for communication devices.
5. Industrial Power Supplies: Used in various industrial automation systems.
Its features promote high efficiency, low standby power, and improved thermal performance, making it suitable for a wide range of applications.