MIC5235BM

Current - Output:	150mA
Base Part Number:	MIC5235
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	4mA
Current - Quiescent (Iq):	35µA
Series:	--
Voltage Dropout (Max):	0.5V @ 150mA
Voltage - Output (Max):	20V
Voltage - Output (Min/Fixed):	1.24V
Voltage - Input (Max):	24V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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MIC5235BM

Introduction

The MIC5235BM is a 2.5V - 5.5V low dropout linear voltage regulator. It claims to offer the industry’s lowest dropout voltage at 250mV, and is suitable for powering low-power peripherals in hand-held and portable applications. Boasting low output noise, a wide operating temperature range and 1.5A continuous short-circuit current limit, the MIC5235BM is ideal for applications that demand superior power supply regulation performance.

Application Field

The MIC5235BM is suitable for a variety of power applications as mentioned earlier, including hand-held and portable applications such as mobile phones, computers, and PDAs. It is also ideal for powering low-power peripherals such as cameras and LCD displays. Additionally, the MIC5235BM can be used to improve voltage regulator performance in applications such as cellular phones, GPS, medical monitoring equipment and PDAs.

Working Principle

The MIC5235BM is a low dropout linear voltage regulator with a small pint package which offers a dropout voltage of 250mV with 1.5A output current. Its working principle is based on a three terminal device that consists of an input voltage, a control signal, and an output voltage.The control signal of the MIC5235BM is the output voltage. When the output voltage rises to the desired level, the control signal of the MIC5235BM will cut off, thus regulating the output voltage and ensuring stability. The output voltage is then further regulated by an adjustable current source, which is typically an external resistor connected between the output and ground pin.The MIC5235BM also contains a number of other features such as under voltageLockout, overload protection Over Voltage Protector (OVP), Thermal Smart JFET (TSJFET), Over Temperature Protection (OTP) and short-circuit current limiting.

Conclusion

In conclusion, the MIC5235BM is an excellent choice for a wide range of power applications due to its low dropout voltage, superior power supply regulation performance, wide operating temperature range and superb current-limiting capabilities. Its low dropout voltage and high current rating are ideal for powering low power peripherals in hand-held and portable applications. It is also ideal for improving voltage regulator performance in tasks such as cellular phones, GPS, medical monitoring equipment and PDAs.

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