LM185BYH-2.5/NOPB IC VREF SHUNT 2.5V TO46-2

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Reference Type:	Shunt
Output Type:	Fixed
Voltage - Output (Min/Fixed):	2.5V
Current - Output:	20mA
Tolerance:	±1.5%
Temperature Coefficient:	50ppm/°C
Noise - 0.1Hz to 10Hz:	--
Noise - 10Hz to 10kHz:	120µVrms
Voltage - Input:	--
Current - Supply:	--
Current - Cathode:	20µA
Operating Temperature:	-55°C ~ 125°C (TA)
Mounting Type:	Through Hole
Package / Case:	TO-46-2 Metal Can
Supplier Device Package:	TO-2
Base Part Number:	LM185

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LM185BYH-2.5/NOPB Application Field and Working Principle

The LM185BYH-2.5/NOPB is a monolithic voltage reference and temperature sensor in one unit. It is a PMIC, or Power Management Integrated Circuit, which is a voltage reference specifically designed for use in low-power, portable applications. It is designed for use in computer and communications systems, and is capable of providing precise, signal-correcting reference voltages over an extended temperature range.The LM185BYH-2.5/NOPB consists of an active on-chip temperature sensor and high accuracy voltage reference. The active temperature sensor is integrated into the chip and continuously monitors the temperature range over which the reference voltage is operating. This active temperature sensor provides 0.60V/°C output which is proportional to the reference voltage itself. It has a minimum operating range of -55°C to +150°C. It can also be used in systems where the reference voltage needs to be adjusted to compensate for temperature induced variations. The reference voltage is then used to accurately adjust the output of the device to the desired value in real time.In terms of its working principle, the LM185BYH-2.5/NOPB produces a highly accurate output voltage. The reference voltage is provided by an integrated bandgap reference, which is a special type of transistor circuit. The bandgap reference is designed to operate over wide temperature ranges, and produces a stable and accurate output voltage. This voltage is then buffered and amplified by an on-chip amplifier to produce the desired output voltage. Additionally, the on-chip temperature sensing transistors provide a feedback signal to the reference voltage, allowing the reference voltage to be adjusted according to the temperature.The application field of the LM185BYH-2.5/NOPB is primarily in computer and communications systems, where it is needed to provide accurate reference voltages suitable for fast response and operation over different temperatures. It is ideal for systems that require an output voltage that can be adjusted and maintained accurately across a wide temperature range. It is also used in portable applications, where it provides a low-current solution for providing power to the system and ensuring accuracy.In summary, the LM185BYH-2.5/NOPB is a monolithic voltage reference and temperature sensor which utilizes an integrated bandgap reference, on-chip temperature sensing transistors, and an amplifier to produce a highly accurate output voltage across a wide temperature range. It is designed for use in various computer and communications systems, and particularly in portable applications.

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