MCP1826-5002E/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):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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MCP1826-5002E/ET PMIC - Voltage Regulators - Linear Application Field and Working Principle

PMIC (Power Management ICs) are special-purpose ICs that deliver power supply or power control solutions for electronic systems. They bridge the gap of power supply and power control, giving microcontrollers, logic, and analog applications the power source they need. Voltage regulators are used to establish a stable voltage source for a given application, and the linear voltage regulator category is composed of controlled linear devices.The MCP1826-5002E/ET PMIC from Microchip is a low-power, space-saving voltage regulator solution for a wide range of industrial and consumer applications. The MCP1826-5002E/ET is a synchronous, step-up DC-DC converter that delivers up to 0.5A output current with a very low quiescent current of 45 µA in typical application settings.

Application Field

This low-power, space-saving voltage regulator device is designed to meet the power needs of consumer and industrial applications, especially those requiring high efficiency and low quiescent current. The MCP1826-5002E/ET is suitable for lithium-ion battery-powered applications such as cellular handsets, PDAs, wearable and portable consumer electronics, as well as for industrial and instrumentation applications.

Working Principle

The MCP1826-5002E/ET PMIC is a synchronous step-up DC-DC converter that provides a regulated output voltage from a wide input voltage range. It works by converting an input voltage (Vin) to a higher regulated output voltage (Vout) with a peak-current-mode control architecture. It features an adjustable boost control circuit and an internal synchronous rectification.The MCP1826-5002E/ET utilizes a ‘preset’ operating loop with a peak current mode and fast current limiting circuits to regulate the output load. It is capable of delivering up to 0.5A of output current with a low quiescent current of 45 µA in typical application settings.The MCP1826-5002E/ET also features an internal soft-start circuit to reduce in-rush current and an internal clock generator for periodic low-power frequency modulation, as well as various protections for overcurrent, input current, and short circuits.

Advantages

By using the MCP1826-5002E/ET PMIC, users can experience a wide range of power management advantages. First, it delivers excellent power conversion efficiency over a wide input voltage range, ranging from 4.5 V to 18 V, while the output voltage can be programmed to boost up to 16 V. The low quiescent current, fast transient response and low output noise ensure safe and reliable operation, while the wide operating temperature range (from -40°C to 85°C) allows a wider application range.In addition, the MCP1826-5002E/ET device has a very small form factor with an ultra-low profile of 0.88 mm (0.035”), making it an ideal choice for space-constrained applications. The device also offers excellent EMI (electromagnetic interference) performance, providing greater isolation between the input power supply and the output voltage.

Conclusion

The MCP1826-5002E/ET linear voltage regulator PMIC from Microchip is a low-power and space-saving regulator solution for a variety of consumer and industrial applications. Its peak-current-mode architecture provides a fast, efficient and reliable step-up DC-DC converter with up to 0.5A output current and a very low quiescent current. The device is designed to deliver improved EMI performance, reduce in-rush current, reduce output noise, and provide wide operating temperature range and adjustable output voltage. With its superior power conversion efficiency and small form factor, the MCP1826-5002E/ET device is a proven power management solution.

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