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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：100kHz
- 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 AP3125HBKTR-G1 is an AC/DC PWM controller from Diodes Incorporated, designed for off-line flyback converter topologies. It operates with a switching frequency of 100kHz and supports Green Mode operation down to 20kHz with burst mode noise optimization. The device accepts a supply voltage range of 10V to 25V and features a maximum duty cycle of 80%. It provides an output current capability of 350mA and includes comprehensive protection mechanisms such as over-current, overload, over-temperature, and over-voltage protection. The component is housed in a SOT-26-6 package and functions within a temperature range of -40°C to +150°C.
Feature Summary
- Integrates Green Mode technology with automatic frequency reduction to 20kHz for enhanced efficiency at light loads.
- Includes built-in burst mode noise optimization (BNO) to mitigate audible switching noise.
- Provides robust fault protection covering current limiting, overload, thermal shutdown, and over-voltage conditions.
Applications
- Off-line power supplies
- Flyback converter designs
- AC/DC conversion systems
Procurement Notes
Verify the specific suffix 'HB' against the manufacturer's latest datasheet to confirm functional parameters, as suffixes often denote specific pinout or feature variations. Confirm RoHS3 compliance status through official documentation. Check for any Product Change Notifications (PCN) regarding assembly sites or material updates. Ensure the ordering quantity aligns with standard reel sizes if applicable. Validate that the selected variant matches the required thermal and electrical specifications for the target application.
Selection Notes
Select this component for applications requiring high efficiency across varying load conditions due to its Green Mode capabilities. Consider the integrated BNO feature for consumer electronics where acoustic noise is a concern. Evaluate the wide operating temperature range for industrial environments. Ensure the flyback topology design accommodates the 100kHz switching frequency and 80% duty cycle limits. Verify compatibility with the SOT-26-6 package constraints for PCB layout.
Part Context
The AP3125HBKTR-G1 belongs to the AP3125 series of robust Green-Mode PWM controllers manufactured by Diodes Incorporated. This series is engineered for cost-effective and efficient offline power solutions. The 'H' and 'B' suffixes typically indicate specific package or feature configurations within the broader AP3125 family, distinguishing it from variants like the AP3125A or AP3127.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Consult the manufacturer's official cross-reference guides or datasheets for potential alternatives. Verify functional equivalence regarding pinout, electrical characteristics, and thermal performance before considering any substitution.
