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TNY284DG-TL
+NomenclatureIC OFFLINE SWITCH FLYBACK 8SO
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FabricantBaulint
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Pièce fabricant #TNY284DG-TL
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Fiche technique TNY284DG-TL DataSheet
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Package SOIC-8
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En stock2443
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | TinySwitch®-4 |
| Part Status | Active |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 725V |
| Topology | Flyback |
| Duty Cycle | 67% |
| Frequency - Switching | 124kHz ~ 140kHz |
| Power (Watts) | 6 W |
| Fault Protection | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit |
| Control Features | EN |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Supplier Device Package | SO-8C |
Présentation
Description
Key features include its EcoSmart technology, which reduces power consumption in standby mode, and its ability to provide constant voltage and constant current outputs. The device is available in a variety of package options, with the 'DG' suffix indicating a specific surface-mount package type.
Applications for the TNY284DG-TL often include chargers, adapters, and power supplies for consumer electronics, where space efficiency and energy savings are crucial. Its robust protection mechanisms, such as over-temperature and over-current protection, enhance reliability and safety in diverse operating conditions.
Equivalent
1. TNY285DG (from the same series with slightly higher power capability)
2. TOPswitch series (also by Power Integrations)
3. ON Semiconductor's NCP1014 series
4. STMicroelectronics' VIPer12A series
5. Fairchild's FSQ series
Ensure compatibility in terms of voltage, current, and power specifications when considering alternatives.
Features
1. Energy Efficiency: It provides high efficiency over a wide load range, reducing power loss.
2. Integrated Off-Line Switcher: Features a 700 V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry.
3. Primary-Side Regulation: Eliminates the need for an optocoupler, simplifying the design.
4. EcoSmart Technology: Optimizes energy efficiency, especially at low loads.
5. Low Component Count: Reduces the overall system cost by minimizing the number of components required.
6. Enhanced Flexibility: Supports a variety of design options due to its adjustable current limit.
7. Auto-Restart Protection: Provides safety features including over-temperature and overcurrent protection.
8. Tiny Package Size: Available in an SMD package, making it suitable for compact designs.
These features make the TNY284DG-TL ideal for low-power, cost-sensitive applications such as chargers, adapters, and auxiliary power supplies.
Pinout
1. DRAIN (D): This pin is connected to the internal high-voltage power MOSFET drain. It is used for high-voltage switching in the power supply.
2. SOURCE (S): The SOURCE pin (multiple pins, usually 3-4 for thermal and electrical reasons) serves as the power ground and the return path for the primary current.
3. BP (Bypass): This pin connects to an external bypass capacitor. It is used for the internal regulator and control circuitry.
4. EN/UV (Enable/Undervoltage): This multifunctional pin is used to enable or disable the device and to detect undervoltage conditions.
5. FEEDBACK (FB): The FEEDBACK pin is used to regulate the output voltage by monitoring the output and adjusting the duty cycle of the internal MOSFET.
These pins together enable efficient power conversion in AC-DC power supply applications.