AP431WL-7

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	AP431
Supplier Device Package:	SC-59
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 85°C (TA)
Current - Cathode:	500µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	30ppm/°C
Tolerance:	±1%
Current - Output:	200mA
Voltage - Output (Max):	36V
Voltage - Output (Min/Fixed):	2.495V
Output Type:	Adjustable
Reference Type:	Shunt
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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AP431WL-7 is a three-terminal adjustable shunt regulator IC employed in a variety of applications, such as controlling power supply lines and in over-voltage protection circuits. It is designed to feature a low dynamic impedance, a high DC accuracy, and low noise.Although the exact application field and working principle of the AP431WL-7 depends on the specific application in question, it is broadly classified as a voltage reference in PMIC (Power Management Integrated Circuits). As a voltage reference, it acts as a precisely regulated reference voltage, typically one-half of a power supply voltage, serving as a voltage reference for other circuit elements to interface with. More specifically, it works by providing a relatively accurate reference voltage at its output that remains constant even when its load current varies within a certain range. The AP431WL-7\'s precision voltage reference output enables it to generate lower output voltage levels when its supply voltage increases, allowing the device to maintain constant output voltages.In terms of practical applications, the AP431WL-7 can be used to regulate power supplies, reduce the power dissipation of power lines, provide over voltage protection, and optimize the performance of several circuits by providing a stable reference voltage. This can help prevent data loss due to inadequate or insufficient power supply or voltage. It can also be used as an input stage or interface element in various control circuits.The AP431WL-7 is constructed with an advanced PWM control circuit, commonly known as Advanced Gate Drive (AGD). This feature increases the efficiency of the device by allowing it to accurately regulate high currents with minimal temperature rise, ensuring that the voltage reference levels remain stable and accurate over time. The AGD feature also helps to reduce the switching times of the device by allowing commands used to control the device to be issued faster.The AP431WL-7 also features an internal high frequency compensation circuit which helps the device to continuously and accurately regulate the reference voltage levels. This feature ensures that the device remains stable and consistent in its performance even when subjected to sudden and sharp load changes.Additionally, the AP431WL-7 is designed with an operating temperature range between -40 °C and +125 °C, allowing it to function well in a variety of environmental conditions. It also has a maximum output current of 500mA, making it suitable for use in applications that require high current.Due to its numerous features, such as its advanced gate drive, internal compensator and its extended temperature range, the AP431WL-7 is an ideal voltage reference for use in a variety of applications. Its low dynamic impedance, high DC accuracy, and low noise makes it an invaluable component for a number of applications, such as for controlling power supply lines and providing over voltage protection.

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