S-8521A28MC-AXNT2G

Voltage - Supply (Vcc/Vdd):	2.5 V ~ 10 V
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	100%
Frequency - Switching:	180kHz
Series:	--
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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<p>The S-8521A28MC-AXNT2G is a dc-dc switching controller that converts voltage and current to the levels needed by electronic devices. It&#8217;s a unique solution for power supply isolation, battery charging and management, and industrial, consumer, and automotive applications. It has several operating modes, including PFM-PWM hybrid, PWM skip, PWM burst mode, power limit, BAT overvoltage protection, and BAT undervoltage protection.</p><p>This controller is designed to be highly flexible in terms of input voltage range and output current capability. It has an adjustable output voltage range of 4.5 to 28V and an adjustable output current capability of 0.5 to 3A. It also features a wide operating frequency range, so you can tailor the switching frequency to match your application.</p><p>The S-8521A28MC-AXNT2G employs a hysteretic control scheme, which allows it to operate in either PFM or PWM mode. It has input, output, and feedback pins, so the voltage can be monitored and can be adjusted to match the load requirements. The controller also has a low quiescent current, so you don&#8217;t have to worry about wasting power in typical operation.</p><p>The S-8521A28MC-AXNT2G has several safety features to protect your circuit. It has OCP (Output Current Protection) and OVP (Output Voltage Protection) latches, which turn off the output switch if the current or voltage exceeds their respective limits. Additionally, it has thermal protection, which reduces the current if the temperature exceeds a predefined threshold. This helps extend the life of the device and prevent damage.</p><p>This controller is designed to be easy to use and integrate into existing designs. It has several configurable features, such as input voltage range, output voltage range, switching frequency, and protection levels. All of these features can be configured via the device registers and pins. In addition, it supports I2C and UART communication, making it easy to monitor and control the device remotely.</p><p>The S-8521A28MC-AXNT2G is a useful solution for any design that requires electrical isolation and power conditioning. It can be used in a variety of applications, such as automotive, consumer, communication, industrial, and medical. It is quite compact, so it can fit into tight spaces. This makes it ideal for miniaturized designs.</p><p>In summary, the S-8521A28MC-AXNT2G is a dc-dc switching controller that is designed to power and condition a wide range of devices. It has adjustable voltage and current outputs, as well as several protection features. It supports I2C and UART communication, and it is quite compact, so it can fit into tight spaces. This makes it a great choice for any design that requires electrical isolation and power conditioning.</p>

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