Str F6267 Datasheet Pdf

| Parameter | Conditions | Min | Typ | Max | Unit | |--------------------------|-----------------------------|-----|-----|-----|------| | Startup current | VCC = 14V | - | 20 | 50 | µA | | Operating current | FB = 0V, after startup | - | 4.5 | 7 | mA | | Oscillation frequency | | 60 | 67 | 74 | kHz | | Maximum duty cycle | | 72 | 77 | 82 | % | | Overcurrent threshold | S/OCP pin voltage | 0.65| 0.72| 0.79| V | | OVP trigger voltage (VCC)| | 27.5| 28.5| 29.5| V | | Thermal shutdown temp. | | - | 140 | - | °C |

| Part Number | MOSFET Rating | Frequency | Protection | Direct Replacement? | |-------------|---------------|-----------|--------------------|---------------------------| | STR-F6267 | 650V / 8A | 67 kHz | OLP, OVP, TSD | Reference design | | STR-F6656 | 650V / 6A | 67 kHz | Similar | Lower current – check load | | STR-F6654 | 560V / 4A | 67 kHz | Similar | No (lower voltage) | | TOP258PN | 700V / ext | 66 kHz | Different pinout | No (requires layout change)|

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The STR-F6267 is a power IC designed to simplify and enhance the performance of . As an "off-line" regulator, it is designed to directly handle high input voltages from the AC mains, making it ideal for primary-side power conversion in a variety of devices. str f6267 datasheet pdf

The internal architecture of the STR-F6267 is divided into two primary sections: the and the Low-Voltage Control Segment .

When AC power is applied, current flows through the high-resistance startup resistor to charge the capacitor connected to Pin 4 (VCC) .

Looking for the official STR F6267 datasheet PDF? Visit Sanken’s semiconductor portal or Mouser’s technical resources to download a verified copy today. | Parameter | Conditions | Min | Typ

Go to product viewer dialog for this item. Datasheet PDF: Comprehensive Guide to Sanken’s Power IC The Go to product viewer dialog for this item.

Measure the resistance between Pin 1 (Drain) and Pin 2 (Source). A low resistance reading (close to 0 Ohms) indicates that the internal power MOSFET has suffered a catastrophic short-circuit failure.

drops below the minimum operating threshold (typically 10V), preventing the MOSFET from operating in its linear region, which would cause catastrophic overheating. PWM Oscillator I need to provide comprehensive information

Designed for low EMI (Electromagnetic Interference) through its quasi-resonant switching operation. Frequency Jittering: Helps in further reducing EMI noise. Common Applications

: Shuts down the IC if internal temperatures exceed safe operating limits. ⚖️ Pros & Cons