– The control circuitry reference ground pin.
Enhances safety during overload conditions.
The is a highly integrated, off-line switching power supply IC developed by Sanken Electric Co., Ltd. It belongs to the STR-F6200 series, which is specifically designed for flyback converter topologies in consumer electronics and industrial power supplies. For engineers, technicians, and hobbyists, accessing the official STR F6267 datasheet PDF is the first critical step toward understanding its electrical characteristics, thermal limits, and application circuits.
When you download the , focus on the following sections:
AC Input ----[ Bridge Rectifier ]----+-------[ Primary Winding ]------- (Pin 1: Drain) | | [Cap] [STR-F6267] | | +-------------[ VCC Ckt ]---------- (Pin 4: VCC) | (Pin 2: Source) | [Rsense] | (GND Plane) Design Considerations
: Offers quick-reference attributes and stock information for this specific part. Veswin Electronics
To ensure the longevity of both the IC and the connected electronics, the STR-F6267 includes several internal safety mechanisms:
The STR-F6267 is a highly integrated PMIC that features:
(Note: Some secondary datasheets reference specialized sub-variants or alternative internal bonding structures. Always visually cross-reference the trace paths on the physical chassis against the target datasheet schematic layout before injecting line voltage). Primary Applications
Always download the latest revision of the datasheet from an authorized source, and cross-reference the date code to ensure you are not working with an obsolete or preliminary version. With the right design practices derived from the , you can achieve cost-effective, reliable power conversion in the 60W–100W range.
This article serves as a comprehensive reference, consolidating the key technical data you would find in the original , including pin configuration, absolute maximum ratings, typical application schematics, and sourcing information.
: Prevents the IC from operating at insufficient supply voltages, ensuring reliable startup and shutdown cycles. Technical Specifications Description Manufacturer Sanken Electric Package Type 5-pin SIP / TO-3P Primary Application Off-line SMPS (Switching Mode Power Supplies) Core Functions Switching regulator, current mode controller Efficiency Common Applications Color TV and VCR power supplies. AC/DC adapters and battery chargers. LED and motor drivers. Alltronic Computer Singapore For a full technical analysis, you can view the STR-F6267 Datasheet AllDatasheet Jotrin Electronics or a specific pinout diagram for this IC?
Features integrated safety mechanisms, including thermal shutdown, current limiting, and soft-start circuits to prevent component failure during power-up or overload conditions. Pin Configuration & Functions
Ideal for AC/DC adapters and battery chargers.
. It is designed to simplify the construction of efficient flyback converters by integrating a power MOSFET and a controller into a single 5-pin SIP/ZIP package. Jotrin Electronics Core Review & Features
Here is a sample of the Datasheet:
The STR-F6267 is designed as a complete, stand-alone switching regulator solution. Its architecture incorporates both the high-voltage power MOSFET and the control logic, making it a "power IC" in a true sense.
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