RAA223021 700V AC/DC Buck Regulator with Ultra-Low Standby Power Datasheet
●The RAA223021 combines constant off-time control for heavy load and Pulse Frequency Modulation (PFM) for light-load operation. Constant off-time controls switching frequency above the audible frequency around 43kHz. PFM eliminates any potential audible noises while offering superior light-load efficiency and ultra-low power consumption (<20mW at no load). The efficiency is achieved up to 80%. The built-in frequency dithering further reduces EMI noise spectrum.
●The RAA223021 also features input brownout protection that prevents input circuitry from the overcurrent at low input voltage, and hiccup protections for output fault conditions such as short-circuit, overload, overvoltage, and open feedback.
●The RAA223021 is available in a small 7 Ld SOIC package.
●Features
■Ultra-low standby power (<20mW)
■No audible noise
■Low quiescent current (<80μA)
■Output voltage as low as 3.3V
■Low EMI with frequency dithering
■7 Ld SOIC package
■Programmable PFM allows optimization of COUT for various standby power requirements
■Protection features: Short-Circuit Protection (SCP), Overload Protection (OLP), Overvoltage Protection (OVP), open feedback protection, and Over-Temperature Protection (OTP).
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RAA223021 、 RAA223011 、 RAA223012 、 RAA2230214GSP#AA1 、 RAA2230214GSP#HA1 、 RAA2230214GSP#MA1 、 RTKA223021DE0000BU 、 RTKA223021DE0010BU |
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AC/DC Buck Regulator 、 universal input AC/DC switching buck regulator 、 AC/DC Buck Regulator with Ultra-Low Standby Power |
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[ Home appliances ][ Home automation ][ IoT ][ sensors ][ Metering control ][ Industry control ][ Bias power ] |
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Datasheet |
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Please see the document for details |
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SOIC;TSOT |
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English Chinese Chinese and English Japanese |
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Dec 7, 2022 |
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Rev.1.02 |
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R16DS0074EU0102 |
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1.4 MB |
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