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Product Detailed Parameters
- Description：IC OFFLINE SWITCH FLYBACK 7SO
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Isolation：Isolated
- Internal Switch(s)：Yes
- Voltage - Breakdown：650V
- Topology：Flyback
- Voltage - Start Up：16 V
- Voltage - Supply (Vcc/Vdd)：10V ~ 28V
- Duty Cycle：-
- Frequency - Switching：-
- Fault Protection：Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage
- Control Features：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Package / Case：8-SOIC (0.154", 3.90mm Width), 7 Leads
- Supplier Device Package：7-SO
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：-
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Overview
The AP39811AS7-13 is a primary side regulated power switcher designed for offline flyback applications. It operates within an input voltage range of 10 V to 28 V and delivers up to 7.5 W output power. The device utilizes silicon technology and features an isolated topology. It is housed in a compact SO-7 package suitable for surface mount installation. The component functions reliably across a temperature range from -40 °C to +85 °C, ensuring stable performance in various environmental conditions.
Feature Summary
- Primary side regulation architecture for simplified design
- Flyback converter topology implementation
- Isolated output capability
- Surface mount packaging for automated assembly
Applications
- Offline power supply designs
- AC/DC conversion systems
- Low power adapter circuits
Procurement Notes
Verify the specific suffix 'S7' against the manufacturer's latest datasheet to confirm pinout and electrical specifications match your design requirements. Ensure compliance with RoHS directives as indicated in official documentation. Confirm moisture sensitivity levels and reflow soldering profiles prior to PCB assembly to prevent component damage during manufacturing processes.
Selection Notes
Select this component for applications requiring a compact, cost-effective solution for low-power offline switching. The SO-7 package offers space efficiency compared to larger alternatives. Consider the primary side regulation trade-offs regarding line and load regulation accuracy when comparing against secondary side regulated options for precision power delivery needs.
Part Context
This part belongs to the AP3981B family of primary side regulated AC/DC converters from Diodes Incorporated. The family includes variants such as AP3981BS7-13 and AP39811AS7-13, sharing similar core functionalities but potentially differing in specific electrical parameters or packaging details. These devices are categorized under PMIC - Power Management ICs, specifically targeting AC/DC converters and offline switchers.
Replacement Considerations
Consult the manufacturer's Product Change Notification (PCN) documents for potential substitutes or obsolescence updates. Verify compatibility with existing footprints if considering alternative packages within the same functional family.
