MCP1826-ADJE/ET

Current - Output:	1A
Base Part Number:	MCP1826
Supplier Device Package:	5-DDPAK
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Control Features:	Enable, Power Good
PSRR:	60dB (100Hz)
Current - Quiescent (Iq):	220µA
Series:	--
Voltage Dropout (Max):	0.4V @ 1A
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	0.8V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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MCP1826-ADJE/ET Application Field and Working PrinciplePMIC or power management integrated circuits are circuits in electrical and electronic devices used to manage power supply levels. Power management ICs ensure a device is performing optimally while consuming less energy and maintaining quality. MCP1826-ADJE/ET is a low dropout voltage (LDO) linear regulator in the MCP series of PMICs. This article examines the application field, working principle and features of the MCP1826-ADJE/ET.The MCP1826-ADJE/ET Voltage Regulator is designed for a wide range of applications and is suitable for portable, battery-powered devices as well as non-battery devices. The linear regulator can be used to regulate input voltage from 2.7V to 6V and can deliver output voltages from 0.8V to 4.5V, with a maximum output current of 600mA. It has superior current limit and thermal shutdown protection and is able to operate over a -40°C to +85°C ambient temperature range. From a functional point of view, MCP1826-ADJE/ET works as a voltage regulation device. Its primary purpose is to regulate the output voltage level at a specific value, no matter how much variations arise in the input voltage. In order to achieve this, the MCP1826-ADJE/ET consists of certain basic components, along with sophisticated digital control algorithms.The principal components in MCP1826-ADJE/ET are a linear regulator, a control amplifier, and a reference voltage source. The linear regulator consists of two power MOSFETs, connected to form a voltage regulator. The linear regulator is controlled by a control amplifier whose inputs are the output and reference voltages. The comparison of these two voltages is used to adjust the output of the regulator. This amplifier also has a reference voltage source input, which is compared to the voltage on the output of the regulator. This reference voltage acts as the set point for the regulator. This control amplifier is the main component of the MCP1826-ADJE/ET, as it controls most of its features.Another important feature of the MCP1826-ADJE/ET is its low dropout voltage, or LDO. The LDO is used to reduce the voltage difference between the output and input pins. This is achieved by reducing the voltage between the two pins, which results in higher efficiency and lower stand-by current consumption.The MCP1826-ADJE/ET is also equipped with a soft-start control feature. This is designed to limit the inrush current in order to reduce the power up stress on the device. This feature is used when the current demand is high, as it helps to maintain the voltage regulation while the current demand is low.Aside from its voltage regulation capabilities, the MCP1826-ADJE/ET also has some other features that improve its performance. It features an overvoltage protection circuit, which prevents the output voltage from exceeding a certain threshold. It also has a current foldback circuit, which is designed to reduce the output current when the output reaches the limited current. This helps to protect the device from overcurrent and helps to maintain a robust voltage regulation.In summary, the MCP1826-ADJE/ET is a low dropout voltage (LDO) linear regulator suitable for a wide range of applications. It is capable of providing output voltages from 0.8V to 4.5V and can deliver up to 600mA of output current. It has advanced features like soft start control, overvoltage protection and current foldback, which improve its efficacy. The design and components of the MCP1826-ADJE/ET ensure reliable and accurate voltage regulation, with improved system efficiency and low stand-by current consumption.

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