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Ⅰ.Overview of product

STR-A6061HZ is an active offline AC-DC switcher integrated circuit produced by Sanken Electric USA Inc. It adopts flyback topology and is designed for efficient, safe and stable power conversion of medium-power electronic equipment.

Ⅱ.Core parameter

Category:Integrated Circuits (ICs),Power Management (PMIC),AC DC Converters, Offline Switchers

Manufacturer:Sanken Electric USA Inc.

Frequency - Switching:100kHz

Packaging:Tube

Power (Watts):35 W

Part Status:Active

Fault Protection:Current Limiting, Over Load, Over Temperature, Over Voltage

Control Features:Soft Start

Operating Temperature:-40°C ~ 125°C (TA)

Voltage - Breakdown:700V

Package / Case:8-DIP (0.300", 7.62mm), 7 Leads

Topology:Flyback

Voltage - Start Up:47 V

Mounting Type:Through Hole

Voltage - Supply (Vcc/Vdd):8.5V ~ 32V

Ⅲ.Main characteristics

High Voltage Resistance:It features a 700V breakdown voltage, which can withstand high input voltage impact and enhance the safety and stability of AC-DC conversion circuits.

Stable Switching:With a fixed 100kHz switching frequency, it ensures continuous and stable power conversion and reduces circuit output ripple interference.

Comprehensive Protection:Equipped with multiple protection functions including current limiting, overload, over temperature and over voltage, effectively avoiding chip damage caused by abnormal circuit conditions.

Soft Start Function:The built-in soft start control can avoid instantaneous current surge during power-on, protecting peripheral circuit components and the chip itself.

Stable Power Output:With a rated power of 35W and professional flyback topology, it provides stable and efficient medium-power power conversion output.

Convenient Assembly:Adopting through-hole 8-DIP packaging, it features simple welding and high structural stability, suitable for conventional circuit board assembly.

Ⅳ.Application field

Adapter Power:Applied in 35W small-power AC-DC power adapters for tablet computers and household small electronic devices to realize mains voltage step-down and rectification power supply.

Smart Charging:Used in low-power charging modules of smart home devices such as wireless routers and set-top boxes to provide stable DC working voltage.

Industrial Power:Equipped in industrial sensor power supply modules, converting industrial AC mains power to low-voltage DC power for sensor operation.

Home Appliance Drive:Applied in auxiliary power circuits of small household appliances such as electric fans and humidifiers to supply power for control panels and indicator circuits.

Office Device Power:Used in power supply units of office miniature equipment such as USB hubs and small printers to achieve efficient AC-DC conversion.

Automotive Auxiliary:Applied in low-power auxiliary power modules of automotive electronic accessories, adapting to complex temperature environments inside vehicles.

Ⅴ.Summary

STR-A6061HZ is a high-reliability flyback offline switcher IC with complete protection functions and wide environmental adaptability. It is an ideal power management chip for medium-power AC-DC conversion scenarios in civil, industrial and automotive electronic equipment.