Control Switching Power Supply Chip - TB5806
Switching power supply: Switching power supply is a kind of power supply that uses modern power electronics technology to control the ratio of time between switching transistor turn-on and turn-off, and maintain stable output voltage. Switching power supply is generally composed of pulse width modulation (PWM) control IC and MOSFET. With the development and innovation of power electronics technology, switching power supply technology is constantly innovating. At present, switching power supplies are widely used in almost all electronic devices due to their small size, light weight and high efficiency. It is an indispensable power supply method for the rapid development of the electronic information industry. The 5W switching power supply solution is a kind of power and relatively energy-saving.
Switching Power Supply Chip: The TB5806 is used in low-cost power supply solutions. It uses primary feedback to achieve accurate constant voltage and constant current control without the need for optocouplers and other related control devices. And the chip integrates the primary inductance compensation circuit to ensure that the AC input voltage and the primary inductance fluctuate within a certain range. Accurate constant current output is also achieved, and the TB5806 integrates output line resistance compensation to improve output voltage accuracy. These built-in features enable efficient control and transient response of the chip, standby power consumption <75mW, built-in multiple protection circuits including: output short circuit protection, input undervoltage protection, input undervoltage protection, output voltage protection and overtemperature protection Wait, to ensure that it works safely. Therefore, it is the best choice for 5W switching power supply solutions.
TB5806
Features and applications:
Features:
Efficiency meets six energy efficiency requirements, low standby power consumption is less than 70mW, QR-PSR control improves work efficiency, built-in fast dynamic response control, no noise operation, built-in programmable line loss voltage compensation, automatic compensation of input voltage, inductance inductance change High precision, built-in short circuit protection, OTP over temperature protection, VDD undervoltage protection (UVLO), overvoltage protection and clamping.
application:
♦Mobile digital charger
♦Computer/TV auxiliary power supply
♦ Low power digital adapter
♦Replaces linear power supply ♦Tablet charger; Typical application 5V1A, so it is very suitable for low-cost low-power chargers, adapters and other applications
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