MIC5255-2.7BD5-TR

Current - Output:	150mA
Base Part Number:	MIC5255
Supplier Device Package:	TSOT-23-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	60dB ~ 50dB (10Hz ~ 10kHz)
Current - Quiescent (Iq):	150µA
Series:	--
Voltage Dropout (Max):	0.25V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.7V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Introduction to MIC5255-2.7BD5-TRThe MIC5255-2.7BD5-TR is a voltage regulator linear voltage regulator from the MIC5255 family from Micrel Corporation. This device is a fixed output, low dropout (LDO) linear voltage regulator that offers reliability, low noise and high power supply rejection ratios.Application FieldsThe MIC5255-2.7BD5-TR is primarily used for applications that require a high level of efficiency, such as in power engineering or motor control, or any other application that requires a steady supply of power. It is often used in digital home appliances such as televisions, DVD players and digital audio systems. It is also commonly used in portable products such as cell phones, PDAs and laptops.FeaturesThe MIC5255-2.7BD5-TR offers a wide selection of features such as adjustable output voltage, thermal shutdown protection, quick start transistors and current limiting protection. It also has a low dropout voltage of 1.2V and can deliver up to 500mA of current. The output voltage accuracy of this device is controlled to within 0.3% of the applied voltage.Working PrincipleThe MIC5255-2.7BD5-TR works by converting a small input voltage into a larger output voltage. It operates by controlling the amount of current through an internal pass transistor. When the output current is greater than the reference current (which is adjustable), the pass transistor is opened and the output voltage is reduced accordingly. When the current through the pass transistor is lower than the reference current, the output voltage is increased.The MIC5255-2.7BD5-TR also incorporates current-limiting protection and thermal shutdown protections to protect the device from damage caused by too much current or high temperature.ConclusionThe MIC5255-2.7BD5-TR is a versatile, high-performance voltage regulator from Micrel Corporation. It is particularly well-suited for applications that require a regulated and reliable source of power, such as in digital home appliances, portable products and motor control. The device has a wide selection of features, including adjustable output voltage, thermal shutdown protection, quick start transistors and current limiting protection. In addition, the device has a low dropout voltage of 1.2 V and can deliver up to 500mA of current.The working principle of the MIC5255-2.7BD5-TR is based on controlling the amount of current through an internal pass transistor. When the output current is greater than the reference current, the transistor is opened and the output voltage is reduced accordingly. When the current through the transistor is lower than the reference current, the output voltage is increased. The device also incorporates current-limiting protection and thermal shutdown protection.

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