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UCC3808AD-1
+StücklisteIC OFFLINE SWITCH MULT TOP 8SOIC
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HerstellerTexas Instruments
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Herstellerteil #UCC3808AD-1
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Auf Lager3807
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| PartStatus | Obsolete |
| OutputIsolation | Isolated |
| Topology | Boost, Buck, Half-Bridge, Push-Pull |
| Voltage-StartUp | 12.5 V |
| Voltage-Supply(Vcc/Vdd) | 8.3V ~ 15V |
| DutyCycle | 49% |
| Frequency-Switching | 1MHz |
| ControlFeatures | Frequency Control |
| OperatingTemperature | -55°C ~ 150°C (TJ) |
| Package/Case | 8-SOIC (0.154", 3.90mm Width) |
| SupplierDevicePackage | 8-SOIC |
| MountingType | Surface Mount |
| BaseProductNumber | UCC3808 |
Übersicht
Description
Operating from a wide input voltage range and capable of driving external power switches, the UCC3808AD-1 is ideal for applications requiring efficient power management, such as computer power supplies, industrial equipment, and telecommunications. Its current-mode control enhances transient response and simplifies loop compensation, making it easier to achieve stable operation across various load conditions. Overall, the UCC3808AD-1 is a versatile solution for designers seeking efficient and reliable power conversion.
Equivalent
Features
1. Voltage Mode Control: It operates in voltage mode with adjustable compensation for stable performance.
2. Wide Input Voltage Range: Accepts input voltages from 8V to 40V, suitable for a variety of applications.
3. High Switching Frequency: Supports switching frequencies up to 1 MHz, enabling smaller passive components.
4. Soft Start: Includes a soft-start feature to limit inrush current during power-up, enhancing reliability.
5. PWM Duty Cycle Control: Adjustable duty cycle allows for flexible output voltage regulation.
6. Current Limiting: Provides overcurrent protection to prevent damage to the power supply.
7. Integrated Reference: Contains a precise 2.5V reference voltage for consistent performance.
8. Low Standby Power: Designed for high efficiency, reducing power consumption during idle states.
These features make the UCC3808AD-1 suitable for applications like DC-DC converters, battery chargers, and power management systems.
Pinout
Pin Functions:
1. VCC (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. RAMP (Pin 3): Ramp voltage input for PWM control.
4. CSN (Pin 4): Current sense negative input.
5. CSP (Pin 5): Current sense positive input.
6. COMP (Pin 6): Compensation network connection.
7. RT (Pin 7): Timing resistor connection.
8. CT (Pin 8): Timing capacitor connection.
9. SYNC (Pin 9): Synchronization input for multiple controllers.
10. SW (Pin 10): Switching output to external MOSFET.
11. VFB (Pin 11): Feedback voltage input.
12. VREF (Pin 12): Reference voltage output.
13. DISCH (Pin 13): Discharge pin for timing capacitor.
14. TRIP (Pin 14): Over-current trip point.
15. SS (Pin 15): Soft-start input.
16. PWM (Pin 16): PWM output.
The UCC3808AD-1 is primarily used in isolated and non-isolated power converters.
Manufacturer
Application
1. Switching Power Supplies: It's utilized in off-line and DC-DC converters for efficient voltage regulation.
2. Battery Chargers: It helps optimize charging processes in various battery technologies.
3. Inverters: Used in renewable energy systems, such as solar inverters, for efficient energy conversion.
4. Telecommunications: Powers telecom equipment requiring stable and reliable voltage.
5. Industrial Equipment: Provides power management in automation and control systems.
Its features include high efficiency, fast response, and multiple protection mechanisms.