S-873021AUP-ADET2G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Applications:	Converter, Constant Voltage Power Supply
Voltage - Input:	1.3 V ~ 24 V
Number of Outputs:	1
Voltage - Output:	3V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	SOT-89-5/6
Supplier Device Package:	SOT-89-5

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The S-873021AUP-ADET2G, a high-performance integrated voltage regulator, constitutes a class of voltage regulators within the PMIC-Voltage Regulators-Special Purpose series. This regulator is used to convert an input voltage range of 1.8 to 5.5V (compatible with USB) to 1.2V regulated output (70 – 85 mA) from a 90-ohm load.It is designed to meet the stringent high-speed requirements for consumer handheld electronics, such as smartphone and tablets. It achieves excellent power stability and reduced power consumption over the entire load range and a very low quiescent current of only 0.1 μA.The S-873021AUP-ADET2G device is built using an advanced analog process, for very high speed and low power performance. The device\'s monolithic architecture offers built-in features such as soft start, over-current protection, thermal shutdown and reverse current protection. The device also features a programmable reference voltage and shutdown input (which allows external shutdown control) as well as logic-level voltage control.The S-873021AUP-ADET2G voltage regulator uses a linear regulator technique to achieve excellent regulation accuracy over the entire load range and temperature range. The device has a short-circuit protection circuit, which will shut down the regulator if the output current exceeds the specified level.The S-873021AUP-ADET2G device also has a proprietary current control loop technology, which can automatically reduce the output voltage for higher load conditions and provide more accurate regulation without additional external components. This feature helps to reduce the output voltage drop (ripple) across the load and enhances the power efficiency of the regulator.To provide better tracking of the load current and reduce output voltage noise, the device has a proprietary adaptive output voltage control loop that reduces the output voltage in response to dynamic load current changes. This loop also helps to stabilize the transformer core power dissipation and to reduce transformer temperature variations in a lighter load situation.In addition, the S-873021AUP-ADET2G voltage regulator features an internal overvoltage protection (OVP) circuit that shuts down the regulator when an over-voltage condition is detected. This feature helps to prevent equipment damage due to an over-voltage event. Furthermore, the S-873021AUP-ADET2G utilizes a low-noise switched capacitor technique to achieve fast and accurate regulation of the output voltage in response to changing load conditions. The switched capacitor technique also helps to reduce noise on the output and reduce power dissipation.Finally, the S-873021AUP-ADET2G voltage regulator utilizes a dynamic power management scheme that enables the device to reduce quiescent current as the load current is reduced. This feature helps to improve overall system efficiency.In summary, the S-873021AUP-ADET2G is a high-performance integrated voltage regulator with a wide range of features and benefits. It has excellent power stability, low power consumption, fast response, current control loop and adaptive output voltage control loop technologies, over-voltage protection, and a dynamic power management scheme to help improve system efficiency.

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