Power Integrations INN3949FQ AC DC Converters and Offline Switchers
InnoSwitch3-AQ InSOP-28G
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
INN3949FQ
Detailed Description
InnoSwitch3-AQ InSOP-28G
Package
InSOP-28G
Key Features
Package: InSOP-28G
Lifecycle Status
Active
Datasheet
INN3949FQ Datasheet
Quick Jump:
Technical Specifications
Power Integrations INN3949FQ AC DC Converters and Offline Switchers technical specifications.
General
Operating Temperature
-40 °C ~ 150 °C
Product Family
InnoSwitch3-AQ
Power Output Max 30 Vdc
10.0 W
Power Output Max 60 Vdc
40.0 W
Power Output Max 400 Vdc
70.0 W
Power Output Max 800 Vdc
70.0 W
Breakdown Voltage
1700 V
Voltage Input Min Dc
40V
Voltage Input Max Dc
1200V
Control Scheme
Fluxlink
Alternate Parts Comparison (INN3949FQ vs INN4274C-H181 vs INN4274C-H182 vs INN4274C-H183)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Operating Temperature | -40 °C ~ 150 °C | -40 °C ~ 150 °C | -40 °C ~ 150 °C | -40 °C ~ 150 °C |
| Auto Restart and Overvoltage Response | Auto-restart, Latch Off | Auto-restart | Auto-restart | Latch Off |
| Breakdown Voltage | 1700 V | 750 V | 750 V | 750 V |
| Control Features | Adjustable Current & Voltage, Synchronous Rectification, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response | Synchronous Rectification, Cable Drop Compensation, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response | Synchronous Rectification, Cable Drop Compensation, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response | Synchronous Rectification, Cable Drop Compensation, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response |
| Control Scheme | Fluxlink | Fluxlink | Fluxlink | Fluxlink |
| Internal Switch | Yes | Yes | Yes | Yes |
| MSL Rating | -- | -- | -- | -- |
| Operating Mode | Quasi-Resonant | Quasi-Resonant | Quasi-Resonant | Quasi-Resonant |
| Output Profile | CV | CC | CC | CC |
| Over Temperature Response | Hysteretic | Hysteretic | Latch Off | Latch Off |
| Package | InSOP-28G | InSOP-24D | InSOP-24D | InSOP-24D |
| Product Family | InnoSwitch3-AQ | InnoSwitch4-QR | InnoSwitch4-QR | InnoSwitch4-QR |
| Action |
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