Allicdata Part #: | STR-A6259H-ND |
Manufacturer Part#: |
STR-A6259H |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Sanken |
Short Description: | IC FLYBACK SW REG 8DIP |
More Detail: | Converter Offline Topology |
DataSheet: | STR-A6259H Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | * |
Part Status: | Obsolete |
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Power management integrated circuit (PMIC) are a class of high-current, low-voltage integrated circuits designed to provide power and protects electronics from adverse conditions. The STR-A6259H is an offline switcher specifically designed as a primary PWM controller for flyback and other discontinuous mode power supplies. It offers numerous advantages over other PMICs, including higher power efficiency and improved EMI performance.
The STR-A6259H is characterized by high-performance switching controllers and power stages, providing designers with a complete solution for the power supply design of their system. This integrated controller IC implements a fixed frequency, pulse-width modulation (PWM) regulation scheme for maximum performance at the lowest cost.
The STR-A6259H provides superior power conversion performance and system regulation over a wide range of output power levels. This IC features optimized, on-board pulse and frequency modulation techniques, as well as built-in protection features for over-voltage, over-current, and thermal events. The SIP-7x package available in the STR-A6259H series is well-suited to applications that demand a tight physical and electrical interface and high saturation current.
This device enables many applications and is therefore well-suited to the development of various converters, such as AC-DC and DC-DC, as well as other specialized offline switchers. It can be used in a range of commercial power supplies, including laptop and desktop adapters, gaming monitors, home electronics, and more. It is also ideal for applications with strict requirements for noise, efficiency, and cost.
The STR-A6259H employs the fixed-frequency, peak current-mode control scheme. The controller operates by comparing the voltage feedback from the output against an internal reference voltage. When the output voltage is lower than the reference voltage, the device switches on activating a power transistor. When the output voltage reaches the target voltage, the controller switches off the power transistor, and the output voltage is regulated by the Inductor. This regulation cycle repeats continually resulting in a steady output voltage.
The STR-A6259H also integrates multiple protection circuits including over-current, overtemperature, and over-voltage protections. The over-current protection reduces stress on the output stage while the over-voltage protection protects the system from damage due to internal malfunctions or external conditions. Finally, the overtemperature protection is designed to protect the device and the system from damage in case of high junction temperatures.
The STR-A6259H represents an ideal device for applications looking to reduce design, validation and test time, while achieving high power efficiency, providing improved EMI performance, and meeting safety and reliability requirements. This integrated controller IC is well-suited for a range of applications, from gaming monitors to laptop adapters, and is available in the SIP-7x package for easy integration.
The specific data is subject to PDF, and the above content is for reference
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