INN2604K

AC DC Converters, Offline Switchers Overview

The INN2604K is an InnoSwitch-EP family AC/DC converter IC from Power Integrations, designed for offline flyback applications. It integrates a high-voltage switch and controller in a single package. The device supports universal input voltages ranging from 85V to 265V AC. It delivers up to 27W of output power with a switching frequency of 100kHz. The component features a 16-PowerSOIC (eSOP-R16B) surface-mount package with 15 leads. It operates within a temperature range of -40°C to 105°C TA. Key electrical parameters include a breakdown voltage of 725V and a maximum duty cycle of 60%.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side regulation with internal feedback loop control
• Includes comprehensive protection against overcurrent, overtemperature, and overvoltage conditions
• Features a low thermal impedance junction-to-case design for efficient heat dissipation

AC DC Converters, Offline Switchers Applications

• Universal input AC/DC adapters
• Consumer electronics power supplies
• Appliance offline power conversion

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix K corresponds to the eSOP-R16B package variant. Confirm availability status as distribution records indicate discontinuation or supply limitations. Ensure the ordering part number matches the exact pinout and thermal requirements for the target PCB layout. Cross-reference the manufacturer's latest datasheet revision for any packaging changes.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated primary-side regulation without optocouplers. Consider the 16-pin eSOP-R16B package for space-constrained applications needing robust thermal performance. Evaluate the 27W power capability against load requirements. Verify compatibility with the 100kHz switching frequency for transformer design constraints.

AC DC Converters, Offline Switchers Part Context

The INN2604K belongs to the InnoSwitch-EP series, which combines a silicon carbide (SiC) switch with advanced control logic. This family targets high-efficiency offline converters by minimizing external component count. The EP designation indicates enhanced performance characteristics compared to standard variants, focusing on reliability and thermal management in compact form factors.

AC DC Converters, Offline Switchers Replacement Considerations

Check for direct pin-compatible upgrades within the InnoSwitch-EP family. Verify if newer revisions offer improved thermal ratings or updated packaging options. Consult manufacturer substitution guides for equivalent power levels.