source:Industry News Popular:adapter release time:2022-03-14 15:08:53 Article author:sznbone
The low-power power adapter drive circuit, the power adapter is controlled according to the output voltage regulation of the circuit, and then the power adapter manufacturer will explain the drive circuit technology of the power adapter in detail.
B2269 adopts traditional current mode design and has the following characteristics;
Low standby power consumption: The low-power intermittent working mode design not only enables the entire system to easily achieve the latest recommended standards of the International Energy Agency under no-load conditions.
Noise-free operation: No audible noise occurs under both light and full loads. The optimized system design can make the system work quietly in any working state.
Lower startup current: VIN/VDD startup current is as low as 4uA, which can effectively reduce the loss of the system startup circuit and shorten the system startup time.
Lower working current: The working current is about 2.3mA, which can effectively reduce the loss of the system and improve the efficiency of the system.
Built-in OCP compensation: The built-in OCP compensation function makes it easy for the system to flatten the OCP curve of the system in the full voltage range without increasing the cost, improving the cost performance of the system.
Sound protection function: with over voltage protection function (OVP), over temperature protection function (OTP), under voltage protection function (UVLO), with output overload protection function (OLP), combined with a relatively sound protection function.
MOSFET soft drive: It can effectively improve the EMI of the system.
Excellent EMI characteristics of OB2269: The built-in frequency jitter design of OB2269 can effectively improve the EMI characteristics of the system and reduce the EMI cost of the system.
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