MCP1702-1802E/TO

Current - Output:	200mA
Base Part Number:	MCP1702
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	--
PSRR:	44dB (100Hz)
Current - Quiescent (Iq):	5µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	13.2V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Bulk

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MCP1702-1802E/TO Voltage Regulators: Application Field and Working Principle

Linear voltage regulators (LDOs) are low cost, low current, non-synchronous micro-power ICs. The MCP1702-1802E/TO voltage regulator is a Linear Voltage Regulator that is specifically tailored to meet the needs of RFID, portable medical and industrial designs. The MCP1702-1802E/TO is a low dropout regulator (LDO) with low power operation, fast transient response and accurate current regulation. It is a flexible, robust regulator that can reliably provide a regulated output voltage between 1.2V and 3.3V. In this article, the application field and working principle of the MCP1702-1802E/TO voltage regulator are discussed.

Application Field

The MCP1702-1802E/TO voltage regulator is suitable for a wide range of applications including RFID tag readers, radios, sensors, smart meters and other portable and industrial electronics. This regulator provides excellent output accuracy and low power consumption, making it ideal for low power, cost sensitive applications. Additionally, the MCP1702-1802E/TO supports a wide input voltage range from 2.2V to 6V, allowing it to be used in a variety of applications. Further, the MCP1702-1802E/TO voltage regulator is also suitable for use in battery operated systems. It can operate at temperatures as low as -55°C and can extend battery life. Additionally, the MCP1702-1802E/TO offers superior load and line transients response, which makes it suitable for RFID Tag readers and other portable devices.

Working Principle

The MCP1702-1802E/TO voltage regulator is a low dropout regulator (LDO) that is capable of supplying a constant output voltage. It uses a PNP pass element and an N-channel MOSFET to drive the current through the PNP pass element. This allows for a highly efficient system and drastically reduces the power consumption. The MCP1702-1802E/TO is a constant-current linear regulator, which means it attempts to maintain a constant output current regardless of temperature or voltage variability. This is done by maintaining a constant voltage drop across the pass PNP transistor. The pass element works as a current source and is able to regulate its output current directly, ensuring a stable and efficient current regulation. The MCP1702-1802E/TO also features low quiescent current and fast transient response. The low quiescent current ensures that the MCP1702-1802E/TO consumes less power and prolongs battery life. The fast transient response allows the regulator to quickly adjust to load changes and still maintain stringent regulation. In conclusion, the MCP1702-1802E/TO voltage regulator is a low dropout, low power, constant current linear regulator that is excellent for use in RFID tag readers, radios, sensors and other portable and industrial electronics. This regulator provides excellent output accuracy, low power consumption and fast transient response, making it an ideal choice for cost-sensitive, battery operated systems.

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