TNY278PN

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TNY278PN

IC OFFLINE SWITCH FLYBACK 8DIP

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仕様

Package Tube
Series TinySwitch®-III
ProductStatus Active
OutputIsolation Isolated
InternalSwitch(s) Yes
Voltage-Breakdown 700V
Topology Flyback
DutyCycle 65%
Frequency-Switching 132kHz
Power(Watts) 28 W
FaultProtection Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit
ControlFeatures EN
OperatingTemperature -40°C ~ 150°C (TJ)
Package/Case 8-DIP (0.300, 7.62mm), 7 Leads
SupplierDevicePackage 8-PDIP-C

概要

Description

The TNY278PN is a compact, integrated switch-mode power supply (SMPS) controller designed for low-power applications. It is part of the TinySwitch series by Power Integrations and is known for its high efficiency and low standby power consumption. The device integrates a high-voltage power MOSFET, which simplifies design and reduces component count.
Key features include a wide input voltage range, making it suitable for various AC input applications, and built-in protection mechanisms such as over-voltage protection (OVP) and thermal shutdown. The TNY278PN is typically used in power supply circuits for consumer electronics, lighting, and other low-power devices where size and efficiency are critical.
Designers appreciate its ease of use, as it requires minimal external components, and its ability to provide stable output with low electromagnetic interference (EMI). Overall, the TNY278PN is an ideal choice for engineers needing a reliable, compact power supply solution.

Features

The TNY278PN is a power supply control IC designed for switch-mode power supplies (SMPS). Key features include:
1. Integrated Circuit: Combines a high-voltage power switch with a control circuit for efficient operation.
2. Wide Input Voltage Range: Supports input voltages from 85V to 265V AC, making it suitable for various applications.
3. Built-in Thermal Protection: Ensures safe operation by preventing overheating.
4. Low Standby Power: Designed for energy efficiency, minimizing power consumption in standby mode.
5. Synchronized Switching: Reduces electromagnetic interference (EMI) for cleaner output.
6. Internal Soft Start: Limits inrush current during startup, enhancing system reliability.
7. Adjustable Output Voltage: Can be configured for different output voltage levels according to application needs.
8. Compact Size: Facilitates easy integration into space-constrained designs.
Overall, the TNY278PN is ideal for low-power applications such as adapters and chargers, providing reliable performance and efficiency.

Package

The TNY278PN is packaged in a DIP-8 (Dual In-line Package, 8 pins) format. This type of packaging is commonly used for integrated circuits and allows for easy mounting on printed circuit boards.

Pinout

The TNY278PN is a part of the TinySwitch-2 series of integrated circuits from Power Integrations, typically used for low-power switch-mode power supplies. It features a 7-pin package.
Pin Count and Functions:
1. Pin 1 (S): Source of the internal MOSFET.
2. Pin 2 (D): Drain of the internal MOSFET.
3. Pin 3 (G): Gate of the internal MOSFET; receives the control signal.
4. Pin 4 (VDD): Power supply input; provides operating voltage to the IC.
5. Pin 5 (CS): Current sense; monitors the output current for control and feedback.
6. Pin 6 (RFB): Feedback resistor; used for regulating output voltage.
7. Pin 7 (GND): Ground; the reference point for all voltages in the circuit.
The TNY278PN is designed for high efficiency and low standby power consumption, making it suitable for applications like adapters, chargers, and LED drivers.

Manufacturer

The TNY278PN is manufactured by Power Integrations, a company specializing in high-performance analog and mixed-signal ICs (integrated circuits) for power conversion applications. Founded in 1985, Power Integrations focuses on developing innovative technologies for efficient power supplies and LED drivers. Their products are widely used in consumer electronics, industrial applications, and renewable energy systems, emphasizing energy efficiency and reducing environmental impact. The TNY278PN is part of their TinySwitch family, designed for low-power applications, providing features like high efficiency and low standby power consumption.

Application

The TNY278PN is a power management IC primarily used in low-power switch-mode power supplies. Its application areas include consumer electronics, LED lighting, home appliances, and industrial equipment. It is suitable for powering devices that require efficient voltage regulation and low standby power consumption, making it ideal for use in adapters, chargers, and small electronic devices.

Equivalent

The TNY278PN chip, a low-power offline switcher, has several equivalent products, including the TNY277PN, TNY279PN, and TNY280PN. These chips belong to the TinySwitch-3 family and share similar features, such as low power consumption and integrated switch functionality. Choosing an equivalent depends on specific output voltage, current ratings, and application requirements. Always check the specific datasheets for detailed specifications.

出荷

出荷方法私たち

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出荷料参照（DHL/FedEx）:

DHL の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル（0.5kg）の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル（0.1kg）で、推定配送時間は5〜20営業日です。

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