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Product Detailed Parameters
- Description：IC REG ACDC PSR SWITCH
- Series：-
- Mfr：Diodes Incorporated
- Package：Tube
- Output Isolation：Isolated
- Internal Switch(s)：Yes
- Voltage - Breakdown：700V
- Topology：Flyback
- Voltage - Start Up：15 V
- Voltage - Supply (Vcc/Vdd)：5.3V ~ 22V
- Duty Cycle：-
- Frequency - Switching：60kHz
- Fault Protection：Over Temperature, Short Circuit
- Control Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-DIP (0.300", 7.62mm), 7 Leads
- Supplier Device Package：7-PDIP
- Mounting Type：Through Hole
- Grade：-
- Qualification：-
- Power (Watts)：12 W
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Overview
The AP3970P7-G1 is a primary side power switcher designed for off-line Switch-Mode Power Supplies (SMPS). Manufactured by Diodes Incorporated, this component integrates high-voltage switching capabilities with control logic to simplify AC/DC conversion designs. It operates within a temperature range of -40°C to +85°C and utilizes an 8-pin DIP package. The device supports primary-side regulation, eliminating the need for optocouplers and secondary-side feedback components in many applications.
Feature Summary
- Integrates primary-side power switching and control logic for simplified circuit design
- Enables off-line SMPS operation without requiring secondary-side feedback loops
- Supports wide input voltage ranges typical for AC/DC converter applications
Applications
- Off-line Switch-Mode Power Supplies
- AC/DC Converters
- Primary Side Regulated Power Adapters
Procurement Notes
Verify the specific suffix 'P7' against the manufacturer's current datasheet to confirm pinout compatibility and package dimensions. Confirm RoHS compliance status through official documentation before integration. Check for obsolescence notices or lifecycle changes directly from Diodes Incorporated to ensure long-term supply stability.
Selection Notes
Select this component for designs requiring integrated primary-side control to reduce bill of materials cost and board space. Ensure the application voltage and current ratings align with the specific off-line SMPS topology requirements. Verify thermal management needs given the operating temperature range limits.
Part Context
This part belongs to the AP3970 family of primary side power switchers from Diodes Incorporated. These devices are engineered to replace traditional discrete solutions in offline power supplies. The P7 suffix typically denotes a specific package variant, such as the 8-pin DIP configuration mentioned in available specifications.
Replacement Considerations
Consult Diodes Incorporated official substitution guides for verified equivalents. Generic replacements may not match the integrated primary-side control features or pinout configurations.
