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Product attributes Property Value
Manufacturer Power Integrations
Product Series
Packaging Tube |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 650V
Topology Flyback, Secondary Side SR
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 65%
Frequency - Switching 132kHz
Power (Watts) 32 W
Fault Protection Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit
Control Features EN
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm), 7 Leads
Supplier Device Package 8-PDIP-C

The TNY179PN from Power Integrations is an isolated flyback offline switcher with secondary-side synchronous rectification and an integrated 650V switch. It delivers up to 32 W at 132kHz with 65% maximum duty cycle, offering current limiting, over load, over temperature, over voltage, and short circuit protection in an 8-DIP package rated to 150°C junction temperature.

  • Integrated 650V switch reduces external component count in isolated flyback designs.
  • Secondary-side synchronous rectification improves efficiency and output regulation.
  • 32 W output at 132kHz suits compact low-power adapters.
  • Comprehensive fault protection including over load and short circuit enhances safety.
  • -40°C to 150°C junction temperature range supports demanding environments.

Compact AC-DC Adapters

The 32 W output and 650V integrated switch make this flyback controller suitable for compact isolated adapters and chargers.

Consumer Electronics Power

Secondary-side synchronous rectification improves efficiency and regulation in isolated offline supplies for consumer devices.

Home Appliances

The -40°C to 150°C junction temperature range and comprehensive fault protection suit appliance control board supplies.

Industrial Auxiliary Supplies

Isolated flyback topology with over load and short circuit protection supports reliable auxiliary power in industrial systems.

Q: What topology does the TNY179PN use?
A: It is an isolated flyback offline switcher with secondary-side synchronous rectification and an integrated switch.
Q: What is the breakdown voltage?
A: The internal switch has a 650V breakdown rating.
Q: How much power can it deliver?
A: It supports up to 32 W output power at 132kHz.
Q: What is the maximum duty cycle?
A: The maximum duty cycle is 65%.
Q: What protections are included?
A: Current limiting, over load, over temperature, over voltage, and short circuit protection.
Base Product Number : TNY179PN
132kHz 32 W 650V 8-DIP AC-DC Flyback Converter Isolated Offline Switcher Synchronous Rectification
Q: What topology does the TNY179PN use?
A: It is an isolated flyback offline switcher with secondary-side synchronous rectification and an integrated switch.
Q: What is the breakdown voltage?
A: The internal switch has a 650V breakdown rating.
Q: How much power can it deliver?
A: It supports up to 32 W output power at 132kHz.
Q: What is the maximum duty cycle?
A: The maximum duty cycle is 65%.
Q: What protections are included?
A: Current limiting, over load, over temperature, over voltage, and short circuit protection.