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Product Detailed Parameters
- Description：IC OFFLINE SW FLBACK INSOP-24D
- Series：InnoSwitch™3-AQ
- Mfr：Power Integrations
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Isolation：Isolated
- Internal Switch(s)：Yes
- Voltage - Breakdown：750V
- Topology：Flyback
- Voltage - Start Up：-
- Voltage - Supply (Vcc/Vdd)：30V ~ 550V
- Duty Cycle：-
- Frequency - Switching：25kHz
- Fault Protection：Current Limiting, Over Temperature, Over Voltage, Short Circuit, UVLO
- Control Features：EN, Soft Start
- Operating Temperature：-40°C ~ 125°C (TA)
- Package / Case：24-PowerSMD Module (0.425", 10.80mm Width), 17 Leads
- Supplier Device Package：InSOP-24D
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：30 W
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Overview
The INN3977CQ-TL is an AC/DC converter from Power Integrations, rated for 750V and 30W output. It supports a DC input voltage range of 30V to 550V. The device utilizes flyback topology with Silicon technology. Key electrical parameters include a switching frequency of 132 kHz and a standby supply current of 200 uA. It is housed in an InSOP-24D package.
Feature Summary
- Integrates high-voltage power switch and controller for compact design
- Supports wide input voltage ranges for versatile application
- Includes advanced protection features for system reliability
Applications
- Industrial power supplies
- Consumer electronics adapters
- Telecommunications equipment
Procurement Notes
Verify the exact suffix against official datasheets to confirm pinout and thermal characteristics. Confirm RoHS compliance status through manufacturer documentation. Ensure the ordering part number matches the specific variant required for your design constraints.
Selection Notes
Select this component for designs requiring integrated offline conversion within the specified power range. Consider the InSOP-24D package for space-constrained layouts. Verify compatibility with the target input voltage range before finalizing the schematic.
Part Context
This part belongs to the InnoSwitch family, known for integrating primary-side regulation and control functions. It represents a solution for efficient AC/DC conversion without requiring secondary-side feedback components.
Replacement Considerations
Consult official substitution guides for compatible alternatives. Verify pin-to-pin compatibility and electrical specifications before replacing existing components.
