Power Integrations INN4073C-H186-TL

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Product attributes Property Value
Manufacturer Power Integrations
Product Series InnoSwitch™4-CZ
Packaging Tape & Reel (TR) |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 750V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle -
Frequency - Switching 140kHz
Power (Watts) 70 W
Fault Protection Current Limiting, Over Temperature, Over Voltage, Short Circuit
Control Features EN, Frequency Control, 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 INN4073C-H186-TL from Power Integrations is an InnoSwitch™4-CZ offline Flyback controller with an integrated switch and 750V breakdown voltage. It delivers up to 70W at 140kHz switching frequency, featuring EN, Frequency Control, and Soft Start. Integrated protections include Current Limiting, Over Temperature, Over Voltage, and Short Circuit. It is housed in a 24-PowerSMD module package rated for -40°C to 105°C (TA).

  • 750V breakdown voltage provides margin for offline Flyback designs.
  • Integrated switch simplifies the power stage and reduces external components.
  • 70W power capability at 140kHz supports higher-power isolated supplies.
  • Integrated protections (Current Limiting, Over Temperature, Over Voltage, Short Circuit) enhance reliability.
  • EN, Frequency Control, and Soft Start offer flexible control and reduced start-up stress.

High-Power Offline Flyback Supplies

With Flyback topology, isolated output, and 70W capability, the INN4073C-H186-TL suits AC-DC supplies requiring galvanic isolation at higher power levels.

Compact PowerSMD Designs

The 24-PowerSMD module package enables surface-mount assembly for space-efficient power stages.

Protected Converters

Current Limiting, Over Temperature, Over Voltage, and Short Circuit protection safeguard operation under fault conditions.

Frequency-Controlled Systems

Frequency Control and EN features allow tuning and enable control for flexible system integration.

Soft-Start Power Stages

Soft Start limits inrush and start-up stress, improving reliability in offline designs.

Q: What topology does the INN4073C-H186-TL use?
A: It uses Flyback topology with isolated output for offline AC-DC conversion.
Q: What is the breakdown voltage?
A: The integrated switch has a 750V breakdown voltage rating.
Q: How much power can it deliver?
A: It supports up to 70W output power at a 140kHz switching frequency.
Q: What protections are included?
A: Current Limiting, Over Temperature, Over Voltage, and Short Circuit protection are integrated.
Q: What control features are available?
A: EN, Frequency Control, and Soft Start are supported.
Base Product Number : INN4073C-H186
140kHz 70W 750V AC-DC Controller Flyback Converter InnoSwitch4-CZ Integrated Switch Isolated Offline Switcher PowerSMD
Q: What topology does the INN4073C-H186-TL use?
A: It uses Flyback topology with isolated output for offline AC-DC conversion.
Q: What is the breakdown voltage?
A: The integrated switch has a 750V breakdown voltage rating.
Q: How much power can it deliver?
A: It supports up to 70W output power at a 140kHz switching frequency.
Q: What protections are included?
A: Current Limiting, Over Temperature, Over Voltage, and Short Circuit protection are integrated.
Q: What control features are available?
A: EN, Frequency Control, and Soft Start are supported.