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Product Detailed Parameters
- Description：IC OFFLINE SWITCH FLYBACK 7SO
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Isolation：Isolated
- Internal Switch(s)：Yes
- Voltage - Breakdown：700V
- Topology：Flyback
- Voltage - Start Up：15.5 V
- Voltage - Supply (Vcc/Vdd)：6V ~ 18V
- Duty Cycle：-
- Frequency - Switching：80kHz
- Fault Protection：Over Temperature, Over Voltage, Short Circuit
- Control Features：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Package / Case：8-SOIC (0.154", 3.90mm Width), 7 Leads
- Supplier Device Package：7-SO
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：10 W
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Overview
The AP3983RTMTR-G1 is an offline flyback switcher IC from Diodes Incorporated, featuring an integrated 700V MOSFET. It operates at a switching frequency of 80kHz and supports a supply voltage range of 6.82V to 25V with a startup voltage of 15.5V. Designed for isolated topologies, it delivers up to 10W output power. The device includes protection against over-temperature, over-voltage, and short circuits. It is housed in a 7-SO package (8-SOIC, 3.90mm wide) and functions within a junction temperature range of -40°C to 150°C.
Feature Summary
- Integrated 700V MOSFET optimized for low standby power and high efficiency
- Improved voltage and current accuracy with enhanced conversion efficiency
- Built-in protection functions including over-temperature, over-voltage, and short circuit safeguards
Applications
- Offline flyback power supplies
- Adapters requiring low standby power
- Isolated AC/DC converter designs
Procurement Notes
Verify component authenticity through authorized Diodes Incorporated channels or certified distributors. Confirm RoHS3 compliance status and check for End-of-Life notifications prior to procurement. Ensure packaging specifications match design requirements. Validate datasheet revisions to guarantee compatibility with current manufacturing standards.
Selection Notes
Select this component for applications requiring an integrated high-voltage switcher with minimal external components. Consider the 7-SO package constraints and thermal management needs for the specified power range. Evaluate the 80kHz switching frequency against electromagnetic interference requirements. Verify input voltage stability within the 6.82V to 25V operating window.
Part Context
The AP3983 series comprises power switchers designed for AC/DC converters. This specific model focuses on improving conversion efficiency and protection features compared to earlier iterations. It belongs to the PMIC category under AC/DC converters and offline switchers, targeting cost-effective and reliable power supply solutions.
Replacement Considerations
Consult official Diodes Incorporated documentation for confirmed substitutes. Note that PCN-2594 indicates discontinuance for related variants like AP3983BMTR-G1. Verify functional equivalence and pinout compatibility before considering alternative part numbers.
