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Product Detailed Parameters
- Description：IC OFFLINE SWITCH FLYBACK SOT26
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Isolation：Isolated
- Internal Switch(s)：No
- Voltage - Breakdown：-
- Topology：Flyback
- Voltage - Start Up：15.8 V
- Voltage - Supply (Vcc/Vdd)：10V ~ 25V
- Duty Cycle：75%
- Frequency - Switching：65kHz
- Fault Protection：Current Limiting, Over Load, Over Temperature, Over Voltage
- Control Features：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-26
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：-
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Overview
The AP3125LKTR-G1 is an AC/DC converter from Diodes Incorporated, utilizing Green Mode PWM technology with a switching frequency range of 20kHz to 100kHz. It operates within a supply voltage window of 10V to 25V and supports a maximum Vcc of 30V. The device employs a flyback topology and delivers an output current of 350mA at 13V. Key electrical parameters include a maximum duty cycle of 80% and quiescent currents of 700uA or 1.2mA. It functions reliably across a temperature range of -40°C to +150°C TJ.
Feature Summary
- Integrates Green Mode PWM for enhanced efficiency in light-load conditions
- Supports variable switching frequencies between 20kHz and 100kHz
- Features internal protection mechanisms against over-current and thermal stress
Applications
- Universal AC-DC power supplies
- Adapters for consumer electronics
- Battery chargers requiring isolated outputs
Procurement Notes
Verify component authenticity through authorized channels due to End-of-Life status. Confirm RoHS compliance and moisture sensitivity levels before assembly. Check for Product Change Notifications regarding manufacturing site updates. Ensure storage conditions meet humidity requirements to prevent package damage during soldering processes.
Selection Notes
Select this component for designs requiring compact SOT-26 packaging and high-temperature operation up to 150°C. Consider the 350mA output capability and 13V fixed output when designing flyback transformers. Evaluate the Green Mode feature benefits for applications prioritizing standby power reduction.
Part Context
Part of the AP3125 series by Diodes Incorporated, designed for offline switch-mode power applications. The LK suffix indicates specific tape-and-reel packaging variants. This controller integrates current mode control logic suitable for cost-effective AC/DC conversion solutions.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing transformer designs if considering alternative controllers from the same manufacturer family.
