Str F6267 Datasheet Pdf !!install!! -
The STR-F6267, like any electronic component, can fail due to various reasons such as power surges, lightning strikes, or aging. The following is a practical repair guide based on real-world experiences and the typical failure modes mentioned in the IC's datasheet.
A typical application circuit diagram, available in the official datasheet, will show the STR-F6267 connected to a flyback transformer, an optocoupler for feedback, and a few passive components like resistors and capacitors. The circuit usually includes an AC input rectifier, a bulk capacitor, and the output rectification stage. The IC's internal oscillator and control logic manage the switching of the MOSFET to regulate the output voltage based on the feedback signal.
The STR-F6267 is a versatile IC and can be found in a wide range of electronic devices where efficient and reliable power conversion is required. Its datasheet lists typical applications including: str f6267 datasheet pdf
Its key advantages include:
The STR-F6267 is famously a key component in the power supply units (PSUs) of many Sony Trinitron CRT televisions, such as the KV-21FB140, KV-21FS140, KV-SW21M80, and the KV-BZ21 chassis series. In these devices, the IC serves as the primary SMPS controller, regulating the main B+ voltage and auxiliary supplies. The STR-F6267, like any electronic component, can fail
| Parameter | Value/Rating | | :--- | :--- | | | 800 V | | Drain Current (Id) | 6 A (pulsed) / ~3A continuous (internal limit) | | RDS(on) (typ) | 1.95 Ω (max ~2.7 Ω) | | Built-in MOSFET | N-Channel, Avalanche-rated | | Operating Frequency | 19 kHz to 60 kHz (typically ~24-30 kHz in TV apps) | | Soft Start | 15 ms typ | | Standby Power | <0.5W at light load | | Overcurrent Protection (OCP) | Pulse-by-pulse, cycle-by-cycle | | Thermal Shutdown (TSD) | Auto-restart (140°C typ) | | Overvoltage Protection (OVP) | Latched (VCC > 23V triggers) |
: Simplifies overall circuit board design. The circuit usually includes an AC input rectifier,
DC is present at the drain (Pin 1) after the bridge rectifier.