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Product Detailed Parameters
- Description：IC OFFLINE SW FLYBACK SOT23-6
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Isolation：Isolated
- Internal Switch(s)：No
- Voltage - Breakdown：-
- Topology：Flyback
- Voltage - Start Up：-
- Voltage - Supply (Vcc/Vdd)：-
- Duty Cycle：52%
- Frequency - Switching：120kHz
- Fault Protection：Over Temperature, Over Voltage, Short Circuit
- Control Features：-
- Operating Temperature：-
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：-
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Overview
The AP3770AK6TR-G1-2 is an AC/DC converter controller from Diodes Incorporated, belonging to the Gen 3 Control series. It is designed for offline flyback applications using silicon technology. The device operates within a supply voltage range of 6.8V to 35V and features a fixed switching frequency of 80kHz. It supports quasi-resonant operation and includes protection mechanisms such as over-temperature, over-voltage, and short-circuit fault protection. The component is housed in a SOT-23-6 package and is rated for junction temperatures up to 150°C.
Feature Summary
- Enables primary side regulation control for offline power supplies
- Integrates comprehensive fault protection including over-temperature, over-voltage, and short-circuit safeguards
- Supports quasi-resonant operation for improved efficiency
Applications
- Offline flyback power converters
- Primary side regulated AC/DC adapters
- General purpose AC/DC conversion systems
Procurement Notes
Verify current lifecycle status as the product may be obsolete or subject to discontinuation by the manufacturer. Confirm specific ordering suffixes and packaging requirements with authorized distributors. Check for recent Product Change Notifications (PCN) regarding design or specification updates before finalizing procurement plans.
Selection Notes
Select this component for designs requiring primary side regulation in flyback topologies. Ensure the input voltage and operating temperature ranges align with system requirements. Verify compatibility with the SOT-23-6 package constraints and thermal management needs for high junction temperature operation.
Part Context
This part belongs to the AP3770 series of AC/DC controllers manufactured by Diodes Incorporated. It is categorized under PMIC - Power Management ICs. The specific suffix indicates the tape and reel packaging format. It is distinct from similar models like the AP3770ANK6TR-G1-2 which may have different packaging or minor specification variations.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official distributor databases for cross-reference information.
