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Product Detailed Parameters
- Description：IC OFFLINE SWITCH FLYBACK 7DIP
- Series：-
- Mfr：Diodes Incorporated
- Package：Tube
- Output Isolation：Isolated
- Internal Switch(s)：Yes
- Voltage - Breakdown：650V
- Topology：Flyback
- Voltage - Start Up：15.5 V
- Voltage - Supply (Vcc/Vdd)：6.82V ~ 25V
- Duty Cycle：-
- Frequency - Switching：65kHz
- Fault Protection：Over Temperature, Over Voltage, Short Circuit
- Control Features：-
- Operating Temperature：-40°C ~ 105°C (TA)
- Package / Case：8-DIP (0.300", 7.62mm), 7 Leads
- Supplier Device Package：7-PDIP
- Mounting Type：Through Hole
- Grade：-
- Qualification：-
- Power (Watts)：18 W
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Overview
The AP3983DP7-G1 is a high-frequency primary-side power switcher designed for off-line SMPS applications. It integrates a 650V breakdown voltage MOSFET and operates in flyback topology. The device supports an input supply voltage range of 6.82V to 25V with a startup voltage of 15.5V. It features an internal switch rated for 4A output current and switches at frequencies up to 80kHz. Operating temperatures span from -40°C to +150°C, housed in a 7-PDIP package.
Feature Summary
- Integrates a high-voltage power switch with primary-side regulation capabilities
- Includes comprehensive protection mechanisms against over-temperature, over-voltage, and short circuits
- Designed for cost-effective offline flyback converter implementations
Applications
- Offline switched-mode power supplies
- Primary-side regulated AC/DC converters
- Flyback topology power adapters
Procurement Notes
Verify component authenticity through authorized Diodes Incorporated channels. Confirm RoHS3 compliance status prior to integration. Check for End-of-Life notifications or product change notices affecting availability. Ensure packaging specifications match design requirements. Validate datasheet revisions for parameter consistency.
Selection Notes
Select this component for designs requiring integrated high-voltage switching without external gate drivers. Consider the 650V rating for mains-connected applications. Evaluate thermal management needs given the wide operating temperature range. Verify compatibility with flyback transformer designs targeting primary-side control architectures.
Part Context
Part of the AP3983 series from Diodes Incorporated, focusing on integrated power solutions for offline applications. The series targets cost-sensitive consumer and industrial power supplies. Similar models include variants with different pinouts or electrical ratings within the same family.
Replacement Considerations
AP3983CP7-G1 and AP3983EP7-G1 are related series members. Verify pinout compatibility and specific electrical limits before substitution. Cross-reference datasheets for differences in current handling or frequency ranges.
