MIC2211-PNBML TR

Current - Output:	150mA, 300mA
Base Part Number:	MIC2211
Supplier Device Package:	10-MLF® (3x3)
Package / Case:	10-VFDFN Exposed Pad, 10-MLF®
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	60dB ~ 40dB (1KHz ~ 20kHz)
Current - Quiescent (Iq):	80µA
Series:	--
Voltage Dropout (Max):	0.25V @ 150mA, 0.42V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V, 2.85V
Voltage - Input (Max):	5.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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IntroductionThe MIC2211-PNBML TR is an integrated linear voltage regulator with internal voltage reference and pass transistors that provide low noise and high PSRR. This easy-to-use regulator is suitable for a wide range of applications, including small and portable devices. It is available in several versions for different output voltages and power ratings.DescriptionThe MIC2211-PNBML TR voltage regulator is designed for high performance applications. It integrates a low noise internal reference, MOSFET pass transistor, and current source to provide the desired regulation. It is capable of providing a wide range of output voltages from 0.5V to 4.5V, with an accuracy of ±1%. The MIC2211-PNBML TR can deliver up to 600mA of output power with a low quiescent current of only 8µA. The device is rated for an operating temperature range of -40°C to +85°C and has over temperature, over current, and overtemperature protection. FeaturesThe MIC2211-PNBML TR voltage regulator has several features that make it ideal for various applications:• Low Noise Internal Reference - The low noise, low voltage internal reference ensures accurate regulation of the output voltage. The on-chip reference also provides temperature coefficient, line regulation, and PSRR specifications. • High PSRR - The MOSFET pass transistor and current source provide high PSRR and low noise output voltages. • Output Overvoltage Protection - The output voltage is monitored, and an overvoltage protection circuit is incorporated to ensure the regulator remains within maximum output specifications. • Current Limit – The MIC2211-PNBML TR features an on-chip current limit to prevent overcurrent conditions. • Thermal Shutdown - An on-chip thermal shutdown feature protects against excessive temperatures. • Easy-to-use - The MIC2211-PNBML TR is easy to communicate with, with no external components required. • High Efficiency - The MIC2211-PNBML TR achieves a high efficiency of up to 90%. • Compact Footprint - The device is provided in a small, 8-pin package. ApplicationsThe MIC2211-PNBML TR linear voltage regulator is designed for a wide range of applications, such as:• Battery-powered equipment • Data acquisition systems • Portable instruments • Instrumentation and industrial electronics • Battery-powered portable medical devices • Imaging systems • LED lighting applications Working PrincipleThe MIC2211-PNBML TR voltage regulator is designed to provide a regulated output voltage when connected to an input voltage. The system is composed of several key subsystems, including a reference block, pass transistor, and current source.The reference block provides a stable voltage reference to the system, and is used to ensure the output voltage remains within its specified limits. This is accomplished by a combination of temperature coefficient, line regulation, and PSRR specifications.The pass transistor and current source are used to drive the output voltage to its desired level. The pass transistor is configured to have a low resistance state when the output voltage is at its desired level, and a high resistance state when the output voltage exceeds its specified levels. This provides the protection necessary to prevent excessive output voltage. The current source is used to provide stable current control.ConclusionThe MIC2211-PNBML TR is an integrated linear voltage regulator ideal for a wide range of applications, such as battery-powered equipment, portable medical devices, and LED lighting. It features a low noise internal reference, MOSFET pass transistor, and current source to provide high accuracy and low noise operation. The device has several integrated protection features, including overvoltage protection, current limit, and thermal shutdown. The MIC2211-PNBML TR is available in a small, 8-pin package and is rated for an operating temperature range of -40°C to +85°C.

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