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Product Detailed Parameters
- Description：IC OFFLINE SWITCH FLYBACK SOT26
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT),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 AP3125BKTR-G1 is an AC/DC PWM controller from Diodes Incorporated, designed for offline flyback converter applications. It operates with a switching frequency of 65kHz and supports Green Mode functionality down to 20kHz. The device accepts a supply voltage between 10V and 25V, with a startup voltage of 15.8V. It delivers a maximum duty cycle of 75% and provides an output current capability of 350mA. Operating within a temperature range of -40°C to +150°C, it integrates comprehensive protection features including overcurrent, overload, overtemperature, and overvoltage safeguards.
Feature Summary
- Integrates Green Mode operation to reduce standby power consumption by lowering switching frequency under light load conditions.
- Includes built-in hardware protections against overcurrent, overload, overtemperature, and overvoltage events.
- Utilizes current mode control architecture for stable performance in isolated flyback topologies.
Applications
- Offline AC/DC power supplies
- Flyback converter designs
- Green mode power management systems
Procurement Notes
Verify the specific suffix 'BKTR' ensures correct packaging and tape-and-reel configuration. Confirm RoHS compliance status via official documentation before integration. Check moisture sensitivity level requirements for surface mount assembly processes. Ensure ordering quantities align with manufacturer standard pack sizes.
Selection Notes
Select this component for applications requiring efficient offline conversion with low standby power. The 65kHz frequency balances size and efficiency. Verify input voltage ranges match system requirements. Consider thermal management due to high junction temperature ratings. Compare against other AP3125 variants for specific frequency or package needs.
Part Context
This part belongs to the AP3125 series of Green Mode PWM controllers manufactured by Diodes Incorporated. These ICs are optimized for cost-effective, high-performance offline power supplies. The series typically targets consumer electronics and adapter applications where energy efficiency standards are critical.
Replacement Considerations
Consult official substitution guides for compatible alternatives within the AP3125 family. Verify pinout compatibility and electrical specifications before replacing. No direct public substitute part numbers are confirmed in available data.
