Str F6267 Datasheet Pdf Upd Link ⭐ Confirmed
The STR-F6267 is widely used in a variety of consumer and industrial electronics:
| Symptom | Likely Cause | Datasheet Check Point | Solution | |---------|--------------|------------------------|-----------| | VCC cycles between 8V and 15V | Startup circuit fails or OLP (Overload) triggered | Check UVLO on/off thresholds (typically 15V on, 8.5V off) | Replace startup resistor or check secondary short | | No output, drain pin shows 320V but IC not switching | VCC pin voltage <15V | Measure VCC pin voltage during operation | Auxiliary winding may be open | | IC heats up rapidly | Overcurrent or MOSFET Rds(on) degradation | Check OCP threshold voltage (0.7V typical) | Replace current sense resistor (0.47Ω) | | Random shutdown under load | Thermal shutdown (TSD) activated | TSD temperature >140°C (from datasheet) | Improve heatsinking or reduce ambient temperature | str f6267 datasheet pdf upd
While specific pinouts can vary slightly by package variant, a typical 5-pin configuration for the STR-F series includes: : Ground terminal. Pin 2 (VCC) : Power supply input for the control circuit. Pin 3 (FB) : Feedback terminal for voltage regulation. Pin 4 (S/OCP) : Source / Overcurrent Protection terminal. The STR-F6267 is widely used in a variety
Taro's eyes widened as he began to scan the document. "Wow, there are significant changes in the electrical characteristics and package outline. I can see that the maximum drain current has increased by 20%." Pin 4 (S/OCP) : Source / Overcurrent Protection terminal
| Parameter | Symbol | Rating | Unit | Condition | |-----------|--------|--------|------|------------| | Drain-Source Voltage | V(DSS) | 650 | V | Tj = 25°C | | Drain Current (Pulsed) | IDP | 10 | A | Limited by power dissipation | | Supply Voltage (VCC) | VCC | 35 | V | Operating range: 15V to 32V | | Operating Frequency | fosc | 19 – 60 | kHz | Quasi-resonant, load dependent | | OCP Threshold | Vocp | 0.62 – 0.78 | V | Typical: 0.70V | | Rds(on) (MOSFET) | RDS(on) | 1.9 | Ω | Max @ Tj=125°C | | Standby Power | Psb | <0.3 | W | At no load, 230VAC |
The STR-F6267 is widely used in a variety of consumer and industrial electronics:
| Symptom | Likely Cause | Datasheet Check Point | Solution | |---------|--------------|------------------------|-----------| | VCC cycles between 8V and 15V | Startup circuit fails or OLP (Overload) triggered | Check UVLO on/off thresholds (typically 15V on, 8.5V off) | Replace startup resistor or check secondary short | | No output, drain pin shows 320V but IC not switching | VCC pin voltage <15V | Measure VCC pin voltage during operation | Auxiliary winding may be open | | IC heats up rapidly | Overcurrent or MOSFET Rds(on) degradation | Check OCP threshold voltage (0.7V typical) | Replace current sense resistor (0.47Ω) | | Random shutdown under load | Thermal shutdown (TSD) activated | TSD temperature >140°C (from datasheet) | Improve heatsinking or reduce ambient temperature |
While specific pinouts can vary slightly by package variant, a typical 5-pin configuration for the STR-F series includes: : Ground terminal. Pin 2 (VCC) : Power supply input for the control circuit. Pin 3 (FB) : Feedback terminal for voltage regulation. Pin 4 (S/OCP) : Source / Overcurrent Protection terminal.
Taro's eyes widened as he began to scan the document. "Wow, there are significant changes in the electrical characteristics and package outline. I can see that the maximum drain current has increased by 20%."
| Parameter | Symbol | Rating | Unit | Condition | |-----------|--------|--------|------|------------| | Drain-Source Voltage | V(DSS) | 650 | V | Tj = 25°C | | Drain Current (Pulsed) | IDP | 10 | A | Limited by power dissipation | | Supply Voltage (VCC) | VCC | 35 | V | Operating range: 15V to 32V | | Operating Frequency | fosc | 19 – 60 | kHz | Quasi-resonant, load dependent | | OCP Threshold | Vocp | 0.62 – 0.78 | V | Typical: 0.70V | | Rds(on) (MOSFET) | RDS(on) | 1.9 | Ω | Max @ Tj=125°C | | Standby Power | Psb | <0.3 | W | At no load, 230VAC |