Power Integrations INN3949FQ-MR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $94,999.99 | $94,999.99 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | FQ |
| Packaging | Tape & Reel (TR) | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 1700V |
| Topology | Flyback, Secondary Side SR |
| Voltage - Start Up | 30 V |
| Voltage - Supply (Vcc/Vdd) | 30V ~ 1200V |
| Duty Cycle | - |
| Frequency - Switching | 25kHz ~ 95kHz |
| Power (Watts) | 70 W |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage |
| Control Features | Soft Start |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 28-PowerSMD Module (0.425", 10.80mm Width), 19 Leads |
| Supplier Device Package | InSOP-T28G |
| ROHS |  |
The Power Integrations INN3949FQ-MR is an isolated flyback AC-DC converter featuring secondary-side synchronous rectification and an integrated 1700V switch. It delivers up to 70 W over a 25kHz to 95kHz switching range, with a 30V to 1200V Vcc supply and 30 V start-up threshold. Soft start and current limiting, over temperature, and over voltage protection support operation from -40°C to 125°C in a 28-PowerSMD module.
- 1700V integrated switch breakdown rating supports high-voltage input rails.
- Secondary-side synchronous rectification enhances isolated flyback performance.
- Wide 30V to 1200V Vcc supply range offers flexible biasing.
- Soft start and comprehensive fault protection improve reliability.
- -40°C to 125°C operating range fits demanding environments.
High-Voltage Industrial Bias Supplies
The 1700V breakdown voltage and isolated flyback topology enable reliable auxiliary power from high-voltage DC rails in industrial equipment.
Smart Meter and Monitoring Systems
A 30V to 1200V Vcc supply range and integrated switch support isolated power in high-voltage metering and monitoring designs.
Inverter and Motor Control Auxiliary Rails
Secondary-side synchronous rectification and soft start help deliver stable isolated bias in motor drive and inverter control boards.
Energy Conversion Control Electronics
Over voltage, over temperature, and current limiting protection with a -40°C to 125°C range suit demanding energy systems.
- Q: What is the output power capability of the INN3949FQ-MR?
- A: It supports up to 70 W.
- Q: What is the switch breakdown voltage?
- A: The integrated switch has a 1700V breakdown rating.
- Q: Is the output isolated?
- A: Yes, it is a galvanically isolated flyback converter.
- Q: What is the Vcc supply range?
- A: The Vcc supply range is 30V to 1200V with a 30 V start-up threshold.
- Q: What switching frequency does it use?
- A: It operates from 25kHz to 95kHz.
INN3949FQ-MR.pdf
- Q: What is the output power capability of the INN3949FQ-MR?
- A: It supports up to 70 W.
- Q: What is the switch breakdown voltage?
- A: The integrated switch has a 1700V breakdown rating.
- Q: Is the output isolated?
- A: Yes, it is a galvanically isolated flyback converter.
- Q: What is the Vcc supply range?
- A: The Vcc supply range is 30V to 1200V with a 30 V start-up threshold.
- Q: What switching frequency does it use?
- A: It operates from 25kHz to 95kHz.
