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TNY285KG-TL

Auth: Date:2025/11/18 Source:WECHIP Visit:6 Related Key Words: high-efficiency off-line switcher Flyback

I.Overview of TNY285KG-TL

The TNY285KG-TL is an off-line switcher integrated circuit from Power Integrations' TinySwitch®-4 series. Housed in a 12-pin ESOP package, this device integrates a 725V power MOSFET and controller, delivering up to 11W of output power. With its high level of integration, excellent energy efficiency, and comprehensive protection features, this IC is particularly suitable for compact, high-efficiency AC-DC power conversion applications.

 

II.TNY285KG-TL Parameter

Category:Integrated Circuits (ICs);Power Management (PMIC);AC DC Converters, Offline Switchers

Manufacturer:Power Integrations

Series:TinySwitch®-4

Packaging:Tape & Reel (TR);Cut Tape (CT);Digi-Reel®

Part Status:Active

Output Isolation:Isolated

Voltage - Breakdown:725V

Topology:Flyback

Duty Cycle:67%

Frequency - Switching:124kHz ~ 140kHz

Power (Watts):11 W

Fault Protection:Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit

Control Features:EN

Operating Temperature:-40°C ~ 150°C (TJ)

Package / Case:12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad

Supplier Device Package:12-ESOP

Mounting Type:Surface Mount

Base Product Number:TNY285

 

III.TNY285KG-TL Main Characteristics

Highly Integrated Design: Integrates a 725V MOSFET and controller, significantly simplifying external circuit design.

Excellent Energy Efficiency: Meets various global energy efficiency standards with no-load power consumption below 30mW.

Advanced Protection Features: Comprehensive fault protection mechanisms ensure safe and reliable system operation.

Flexible Enable Control: Supports shutdown function for intelligent power management.

Stable Switching Performance: 124kHz to 140kHz switching frequency range optimizes EMI performance.

Wide Operating Temperature Range: Junction temperature from -40°C to 150°C adapts to harsh operating environments.

Compact Package: 12-pin ESOP package provides good thermal characteristics.

 

IV.TNY285KG-TL Application 

Household Appliances: Auxiliary power supplies for air conditioners, washing machines, refrigerators, etc.

Industrial Control: Power supplies for PLCs, sensors, and measuring instruments.

Consumer Electronics: Mobile phone chargers, router power supplies, set-top box power adapters.

LED Lighting: LED driver power supplies, smart lighting control systems.

Office Equipment: Internal power supplies for printers, scanners, and other peripherals.

 

V.Conclusion

The TNY285KG-TL is a high-performance, highly integrated off-line switcher IC. Its advanced design philosophy and comprehensive protection features make it excel in low-power supply applications. The TinySwitch-4 technology employed ensures high efficiency and low standby power consumption, while the compact package meets the size constraints of modern power supply designs. Whether used in consumer electronics or industrial control equipment, the TNY285KG-TL provides a reliable and efficient power solution, making it an ideal choice for developing compact, high-efficiency power products.


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