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Product attributes Property Value
Manufacturer Power Integrations
Product Series InnoSwitch™-CE
Packaging Tape & Reel (TR) |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 650V
Topology Flyback, Secondary Side SR
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 60%
Frequency - Switching 100kHz
Power (Watts) 15 W
Fault Protection Over Temperature, Over Voltage
Control Features -
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 16-PowerSOIC (0.350", 8.89mm Width), 15 Leads
Supplier Device Package eSOP-R16B
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The INN2124K-TL from Power Integrations is an isolated flyback offline switcher in the InnoSwitch™-CE series with secondary-side synchronous rectification. It integrates a 650V switch and delivers up to 15 W at 100kHz with a 60% maximum duty cycle. Over temperature and over voltage protection are included. The 16-PowerSOIC package operates across a -40°C to 105°C ambient range.

  • Secondary-side synchronous rectification supports efficient isolated flyback designs.
  • Integrated 650V switch simplifies circuitry.
  • Over temperature and over voltage protection improve reliability.
  • Compact 16-PowerSOIC package saves board space.
  • -40°C to 105°C ambient range for varied applications.

Compact AC-DC Adapters

The INN2124K-TL provides up to 15 W in an isolated flyback topology with secondary-side synchronous rectification, ideal for compact adapters operating at 100kHz.

Consumer Device Power

Galvanic isolation plus over temperature and over voltage protection make this device suitable for safe consumer device power supplies.

Embedded and IoT Supplies

The integrated 650V switch and 16-PowerSOIC package enable compact embedded power within a -40°C to 105°C ambient range.

Auxiliary Rails

With 60% maximum duty cycle and secondary-side SR, the INN2124K-TL supports isolated auxiliary power rails requiring efficient conversion.

Q: What topology does the INN2124K-TL use?
A: It is an isolated flyback offline switcher with secondary-side synchronous rectification from the InnoSwitch™-CE series.
Q: Does it have an integrated switch?
A: Yes, it features an integrated 650V switch.
Q: What power level does it support?
A: Up to 15 W output power at 100kHz switching frequency.
Q: What is the maximum duty cycle?
A: 60% maximum duty cycle.
Q: What protections are included?
A: Over temperature and over voltage protection.
Q: What is the operating temperature range?
A: -40°C to 105°C ambient temperature.
Base Product Number : INN2124K
15 W 16-PowerSOIC 650V Flyback Converter InnoSwitch-CE Isolated Offline Switcher Power Integrations Secondary Side SR
Q: What topology does the INN2124K-TL use?
A: It is an isolated flyback offline switcher with secondary-side synchronous rectification from the InnoSwitch™-CE series.
Q: Does it have an integrated switch?
A: Yes, it features an integrated 650V switch.
Q: What power level does it support?
A: Up to 15 W output power at 100kHz switching frequency.
Q: What is the maximum duty cycle?
A: 60% maximum duty cycle.
Q: What protections are included?
A: Over temperature and over voltage protection.
Q: What is the operating temperature range?
A: -40°C to 105°C ambient temperature.