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Product attributes Property Value
Manufacturer Power Integrations
Product Series TinySwitch®-III
Packaging Tube |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 65%
Frequency - Switching 132kHz
Power (Watts) 15 W
Fault Protection Current Limiting, Open Loop, 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 TNY275PG from Power Integrations is a TinySwitch-III Flyback offline switcher IC with an integrated 700V switch. Delivering up to 15 W at 132kHz with a 65% max duty cycle, it provides galvanically isolated output with EN control and current limiting, open loop, over temperature, over voltage, and short circuit protection in an 8-DIP package.

  • Integrated 700V switch reduces external component count.
  • Flyback topology delivers galvanically isolated output up to 15 W.
  • 132kHz switching enables compact magnetic components.
  • Built-in current limiting, open loop, over temperature, over voltage, and short circuit protection.
  • Wide -40°C to 150°C junction temperature range.

Isolated Flyback Power Supplies

The TNY275PG uses Flyback topology to provide galvanically isolated output up to 15 W. Its 700V breakdown rating supports offline mains-connected designs, and the integrated switch reduces external component count.

Compact Adapters and Chargers

Operating at 132kHz with a 65% max duty cycle, the device enables compact magnetic and output components for space-constrained designs.

Appliance and Industrial Bias Rails

An operating range of -40°C to 150°C (TJ) supports use in demanding thermal environments, with over temperature and short circuit protection safeguarding the system.

Standby and Housekeeping Supplies

The integrated switch, EN control, and built-in protections make it a simple choice for standby and housekeeping power rails in larger systems.

Q: What topology does the TNY275PG use?
A: It is a Flyback offline switcher providing galvanically isolated output.
Q: What is the breakdown voltage?
A: The integrated switch has a 700V breakdown voltage (Vds rating).
Q: How much power can it deliver?
A: It delivers up to 15 W of output power.
Q: What is the switching frequency?
A: It switches at 132kHz with a 65% maximum duty cycle.
Q: Does it have an internal switch?
A: Yes, the power MOSFET is integrated on-chip.
Q: What protections are included?
A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.
Base Product Number : TNY275PG
15 W 700V 8-DIP Flyback Converter Isolated Offline Switcher Power Integrations TinySwitch-III
Q: What topology does the TNY275PG use?
A: It is a Flyback offline switcher providing galvanically isolated output.
Q: What is the breakdown voltage?
A: The integrated switch has a 700V breakdown voltage (Vds rating).
Q: How much power can it deliver?
A: It delivers up to 15 W of output power.
Q: What is the switching frequency?
A: It switches at 132kHz with a 65% maximum duty cycle.
Q: Does it have an internal switch?
A: Yes, the power MOSFET is integrated on-chip.
Q: What protections are included?
A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.