Power Integrations INN4777C-H190-TL

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Product attributes Property Value
Manufacturer Power Integrations
Product Series
Packaging Tape & Reel (TR) |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 750V
Topology Flyback, Secondary Side SR
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) 85V ~ 265V
Duty Cycle -
Frequency - Switching 50kHz ~ 140kHz
Power (Watts) 220 W
Fault Protection Current Limiting, Over Temperature, Over Voltage, UVLO
Control Features Soft Start
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 24-PowerSMD Module (0.425", 10.80mm Width), 17 Leads
Supplier Device Package InSOP-24D
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The INN4777C-H190-TL from Power Integrations is an isolated flyback AC-DC converter with secondary side synchronous rectification. It integrates a 750V power switch and delivers up to 220 W across a 50kHz to 140kHz switching frequency range. The 24-PowerSMD module includes current limiting, over temperature, over voltage, and UVLO protection with soft start, rated for -40°C to 105°C operation.

  • Secondary side SR flyback topology improves rectification efficiency in isolated designs.
  • 220 W output power supports high-power AC-DC applications.
  • Integrated 750V switch reduces external component count.
  • Wide 50kHz–140kHz frequency range offers design flexibility.
  • UVLO, OTP, OVP, and current limiting protections enhance reliability.

High-Power AC-DC Adapters

The 220 W power rating and secondary side SR flyback topology make this device suitable for high-power isolated adapters requiring efficient rectification.

Industrial Power Supplies

750V breakdown voltage and UVLO protection support robust industrial AC-DC supplies operating from -40°C to 105°C.

Networking and Telecom Equipment

Isolated flyback with soft start and wide 50kHz–140kHz frequency range suits auxiliary and main power rails in networking hardware.

Battery Chargers and Power Tools

High power capability with over temperature and over voltage protection supports charger designs needing reliable fault handling.

Q: What topology does the INN4777C-H190-TL use?
A: It is an isolated flyback converter with secondary side synchronous rectification (SR).
Q: What is the maximum output power?
A: Up to 220 W.
Q: What is the breakdown voltage of the integrated switch?
A: 750V.
Q: What switching frequency range does it support?
A: 50kHz to 140kHz.
Q: What protections are included?
A: Current limiting, over temperature, over voltage, and UVLO.
Base Product Number : INN4777C-H190
220 W 24-PowerSMD 50kHz-140kHz 750V AC-DC Converter Flyback Converter Isolated Offline Switcher Secondary Side SR
Q: What topology does the INN4777C-H190-TL use?
A: It is an isolated flyback converter with secondary side synchronous rectification (SR).
Q: What is the maximum output power?
A: Up to 220 W.
Q: What is the breakdown voltage of the integrated switch?
A: 750V.
Q: What switching frequency range does it support?
A: 50kHz to 140kHz.
Q: What protections are included?
A: Current limiting, over temperature, over voltage, and UVLO.