Power Integrations INN3947CQ-TL AC DC Converters and Offline Switchers
INNOSWITCH3-AQ 1700V 50W
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
INN3947CQ-TL
Detailed Description
INNOSWITCH3-AQ 1700V 50W
Package
24-PowerSMD Module (0.425", 10.80mm Width), 17 Leads
Lifecycle Status
Active
Datasheet
INN3947CQ-TL Datasheet
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Technical Specifications
Power Integrations INN3947CQ-TL AC DC Converters and Offline Switchers technical specifications.
General
Package / Case
24-PowerSMD Module
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TA)
Supply Voltage
30V ~ 1000V
Lifecycle Status
Active
Voltage Breakdown
1700V
Power Watts
50 W
Internal Switch S
Yes
Switching Frequency
25kHz ~ 95kHz
Output Isolation
Isolated
Related Parts Comparison (INN3947CQ-TL vs INN4274C-H181 vs INN4274C-H182 vs INN4274C-H183)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Operating Temperature | -40°C ~ 125°C (TA) | -40 °C ~ 150 °C | -40 °C ~ 150 °C | -40 °C ~ 150 °C |
| Control Features | Frequency Control, Soft Start | 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 |
| Topology | Flyback | Flyback | Flyback | Flyback |
| Auto Restart and Overvoltage Response | -- | Auto-restart | Auto-restart | Latch Off |
| Auto Restart Threshold | -- | 63% | 3.45V | 63% |
| Breakdown Voltage | -- | 750 V | 750 V | 750 V |
| Cable Drop Compensation | -- | X | X | X |
| Control Scheme | -- | Fluxlink | Fluxlink | Fluxlink |
| Internal Switch | -- | Yes | Yes | Yes |
| Max Input Voltage | -- | 265 V | 265 V | 265 V |
| Min Input Voltage | -- | 85 V | 85 V | 85 V |
| Operating Mode | -- | Quasi-Resonant | Quasi-Resonant | Quasi-Resonant |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
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