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Product Detailed Parameters
- Description：IC REG OFFLINE CONTROLLER SOT23-
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Isolation：Isolated
- Internal Switch(s)：No
- Voltage - Breakdown：-
- Topology：Flyback
- Voltage - Start Up：19.5 V
- Voltage - Supply (Vcc/Vdd)：7.5V ~ 30V
- Duty Cycle：-
- Frequency - Switching：60kHz
- Fault Protection：Open Circuit, Over Voltage, Short Circuit
- Control Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：-
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Overview
The AP3703AKTR-GA is an offline flyback controller from Diodes Incorporated, designed for AC/DC conversion applications. It operates within a supply voltage range of 7.5 V to 30 V and features a startup voltage of 19.5 V. The device supports a switching frequency of 60 kHz. It integrates comprehensive fault protection mechanisms, including open circuit, over voltage, and short circuit safeguards. The component is housed in an SOT-23-5 (SC-74A) surface-mount package and is rated for operation between -40°C and +85°C.
Feature Summary
- Integrated fault protection for open circuit, over voltage, and short circuit conditions
- Flyback topology configuration for offline power supplies
- Compact SOT-23-5 surface-mount packaging
Applications
- Offline AC/DC converter designs
- Flyback power supply implementations
- General-purpose isolated power regulation
Procurement Notes
Verify the current lifecycle status before procurement, as public records indicate this specific part may be subject to discontinuance or End-of-Life notifications. Confirm that the SOT-23-5 package and 60 kHz switching frequency align with your design requirements. Ensure compatibility with the specified 7.5 V to 30 V supply range and 19.5 V startup threshold for your target application.
Selection Notes
Select this component for applications requiring a compact offline flyback solution with integrated fault protection. The fixed 60 kHz switching frequency simplifies magnetics design but limits high-frequency optimization. Verify that the input voltage range and startup characteristics match the primary side requirements of the intended power supply architecture.
Part Context
This component belongs to Diodes Incorporated's portfolio of PMIC solutions for offline converters. It serves as a specialized controller for flyback topologies, distinguishing itself through integrated safety features and a small form factor suitable for space-constrained consumer and industrial electronics.
Replacement Considerations
Public documentation indicates this part has been marked as EOL. Engineers should consult official manufacturer notices for recommended replacements or alternative pin-compatible controllers within the same product family.
