TNY275PG

AC DC Converters, Offline Switchers Overview

The TNY275PG is an AC/DC converter from the TinySwitch-III family, designed for offline flyback applications. It integrates a high-voltage power switch and control circuitry in a DIP-8 package. The device supports universal input voltages ranging from 85 VAC to 265 VAC. It delivers 11.5 W at 85-265 VAC and 15 W at 230 VAC. Key electrical parameters include a switching frequency of 132 kHz, a maximum duty cycle of 65%, and a quiescent supply current of 295 uA. The component operates within a temperature range of -40°C to +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power MOSFET with proprietary control logic for simplified design.
• Features EcoSmart technology for compliance with energy efficiency standards including EU ErP Lot 6.
• Includes internal high-voltage current source for biasing, eliminating the need for auxiliary winding.
• Provides comprehensive protection against over-current, over-voltage, and thermal overload conditions.

AC DC Converters, Offline Switchers Applications

• Universal input AC/DC adapters
• Consumer electronics power supplies
• Battery chargers
• Standby power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'PG' indicates the PDIP-8 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor certificates. Ensure the ordering part number matches the exact pin configuration and marking requirements for your assembly process. Cross-reference datasheet revisions to confirm any changes in mechanical dimensions or electrical characteristics prior to final procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring isolated flyback conversion with low standby power consumption. The integrated nature reduces external component count compared to discrete solutions. Consider the 132 kHz switching frequency for balancing EMI performance and transformer size. Verify that the output power requirements align with the 11.5 W or 15 W ratings based on input voltage conditions. Evaluate thermal management needs given the wide operating temperature range.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TinySwitch-III series by Power Integrations, which combines a 700 V power MOSFET with intelligent control functions. It represents a generation of highly integrated offline switchers aimed at reducing system complexity. The DIP-8 package facilitates through-hole mounting for robust mechanical connections in various industrial and consumer applications.

AC DC Converters, Offline Switchers Replacement Considerations

TNY275PN offers the same electrical specifications in a surface-mount SOIC-8 package. TNY275DG provides the functionality in a smaller DG package. Substitutes must maintain identical pinout compatibility and electrical performance if direct replacement is required.