Go to product viewer dialog for this item. is a high-performance designed by Sanken to simplify the design of power supplies. By integrating a high-voltage power MOSFET and a current-mode PWM controller into a single 5-pin SIP package, it reduces the physical footprint and complexity of AC/DC converters. ⚡ Technical Specifications Package : 5-pin SIP or TO-3P
May 6, 2026 Category: Power Electronics / Datasheet Analysis
The STR F6267 datasheet PDF provides detailed information about the IC's features, which include:
Blown MOSFET without visible short.
Before you wire this into your PCB, confirm these five pins against the updated datasheet:
Common causes include a missing or unstable supply voltage on pin 4 (VCC), which should be around 18V, a short circuit in the internal MOSFET (check pin 5), or an overcurrent condition on the output triggering the protection circuits. Also, verify the startup circuit and the auxiliary winding of the transformer.
: Includes built-in safeguards such as thermal shutdown , current limit , and soft-start to protect the device and connected components during operation. str f6267 datasheet pdf updated
The reference design shows a typical 150W flyback converter. Key external components include:
Output voltage regulation is achieved via pulse-width modulation (PWM). A sample of the secondary output voltage is sent back to the primary side via an optocoupler. This feedback signal enters . It adjusts the internal oscillator's duty cycle to compensate for load and line variations. Safety and Protection Systems
| Parameter | Value | Unit | |--------------------------|--------------|------| | Drain‑source voltage | 700 | V | | Drain current (pulsed) | ~8 (check) | A | | VCC voltage | 32 | V | | FB pin voltage | -0.3 to +7 | V | | Operating junction temp. | -20 to +125 | °C | | Storage temp. | -40 to +150 | °C | Go to product viewer dialog for this item
If you are repairing a device using the STR-F6267, follow these common diagnostic steps:
The STR F6267 is a highly sought-after power management IC (PMIC) designed for use in a wide range of applications, including consumer electronics, industrial control systems, and automotive electronics. As a crucial component in many modern devices, it is essential to have access to accurate and up-to-date information about the STR F6267. In this article, we will provide an in-depth look at the STR F6267 datasheet PDF, highlighting its features, specifications, and applications.
The is an integrated circuit (IC) primarily used as an off-line switching regulator in Switch Mode Power Supplies (SMPS). Manufactured by Sanken Electric , this component is a staple in consumer electronics such as TV/VCR power regulators and AC-DC adapters. Key Specifications and Features ⚡ Technical Specifications Package : 5-pin SIP or