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Product Detailed Parameters
- Description：1700V 60W (40-1200VDC)
- Series：-
- Mfr：Power Integrations
- Package：Tape & Reel (TR)
- Output Isolation：-
- Internal Switch(s)：-
- Voltage - Breakdown：-
- Topology：-
- Voltage - Start Up：-
- Voltage - Supply (Vcc/Vdd)：-
- Duty Cycle：-
- Frequency - Switching：-
- Fault Protection：-
- Control Features：-
- Operating Temperature：-
- Package / Case：-
- Supplier Device Package：-
- Mounting Type：-
- Grade：-
- Qualification：-
- Power (Watts)：-
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Overview
The INN3949CQ0500-TL is an AC/DC converter from the InnoSwitch3-AQ series, manufactured by Power Integrations. It features a 1700V rating and supports an input voltage range of 40-1200VDC. The device provides up to 60W output power using Silicon (Si) technology in an InSOP-24D package. It operates at a switching frequency of 132 kHz with a quiescent supply current of 266 uA. The component functions within a temperature range of -40°C to +150°C and includes moisture sensitivity.
Feature Summary
- Integrates a 1700V switch with FluxLink feedback for isolated constant voltage/constant current quasi-resonant flyback operation.
- Provides enhanced safety isolation compliant with IEC 60664 standards for high-voltage DC inputs.
Applications
- Gate drive power supplies for SiC MOSFETs in traction inverters
- Emergency backup power systems for electric vehicles
- High-voltage DC bus conversion in automotive applications
Procurement Notes
Verify the specific suffix '0500' against official datasheets to confirm output configuration and electrical parameters. Ensure compatibility with AEC-Q100 automotive qualification requirements if used in vehicle systems. Confirm that the InSOP-24D package aligns with thermal management and PCB layout specifications for the target design environment.
Selection Notes
Select this component for designs requiring high voltage isolation up to 1700V and robust performance in automotive environments. Consider the integrated nature of the switch and controller to reduce external component count. Evaluate the 132 kHz switching frequency against EMI constraints and efficiency targets for the specific load profile.
Part Context
This part belongs to the InnoSwitch3-AQ family, designed specifically for automotive applications. It utilizes Silicon Carbide (SiC) or Silicon technology depending on the variant, offering high reliability and efficiency. The series is characterized by its ability to handle wide input voltage ranges and provide stable outputs in harsh operating conditions.
Replacement Considerations
INN3949CQ-TL serves as a comparable alternative within the same series, sharing similar core functionalities and packaging options while potentially differing in specific manufacturing lot configurations or minor parameter tolerances defined by the manufacturer.
