Includes built-in thermal shutdown (TSD), over-voltage protection (OVP), over-current protection (OCP), and soft-start functionality.
To get the most accurate and up-to-date information, it is essential to consult the official datasheet. The datasheet provides comprehensive technical specifications, including:
Older versions of the STR-F6267 datasheet circulating on random server sites often miss critical application notes regarding: str f6267 datasheet pdf updated
[ Pin 1: Drain ] | +-------+-------+ | Internal | | Power MOSFET | +-------+-------+ | [ Pin 2: Source ] | [ Pin 4: Vcc ] ------+-----> ( UVLO & Startup Circuit ) | [ Pin 5: OCP/FB ] --->-----> ( Error Amp & OCP Logic ) ---> [ Oscillator ] ---> [ Driver ] | [ Pin 3: GND ] ------+ Startup Operation
Features a frequency jittering circuit that helps reduce electromagnetic interference, making it easier to pass compliance testing. The is an essential resource for anyone maintaining
The is an essential resource for anyone maintaining or designing a robust quasi-resonant power supply. The key updates in recent revisions include clearer burst-mode specifications, refined OCP threshold values, and improved thermal modeling.
If the IC is "pulsing" (voltage on VCC keeps rising and falling), check for a shorted diode on the secondary side of the power supply. Technical Resources Technical Resources Includes thermal shutdown
Includes thermal shutdown, current limiting, and soft-start functionality to prevent damage during power-up or fault conditions.
A basic flyback converter using STR‑F6267 includes:
The latest STR F6267 datasheet PDF can be accessed through various online sources, including:
Proper integration requires following the specific STR-F6267 pinout provided in the updated datasheet: Pin Number Description Drain Connects to the primary winding of the transformer. 2 Source / OCP Ground connection and Overcurrent Protection sensing. 3 VCC Power supply input for the control IC. 4 FB / ELP Feedback pin for voltage regulation and latch protection. 5 Sync External synchronization input (if applicable). Common Applications