LT1009CMS8#PBF

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	LT1009
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Current - Cathode:	400µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	25ppm/°C
Tolerance:	±0.4%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	2.5V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tube

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LT1009CMS8#PBF Application Field and Working Principle

PMIC (Power Management Integrated Circuit) is an electronic component that manages physical supply, such as voltage and currents, to other electronic devices. Voltage Reference is one of the common types used in PMICs, and the LT1009CMS8#PBF is one of them. It is a fixed voltage reference integrated on a monolithic silicon chip that provides excellent accuracy and temperature stability under extreme conditions. The LT1009CMS8#PBF is a three-terminal precision voltage reference. It is designed to provide a relatively constant output voltage with a wide input voltage and load current range. The output voltage is regulated using a bandgap voltage reference with a well-controlled zero temperature coefficient. The application field for the LT1009CMS8#PBF is broad, ranging from battery-backed-up systems to microprocessor-controlled systems. It is useful in system on-chip (SoC) designs, A/D and D/A converters, datacom designs, automotive systems, and telecom applications.This voltage reference is built on a hermetically sealed metal CMOS technology and uses a single external resistor to adjust the output voltage. This voltage reference can be used up to a maximum rating of 100V and withstands peak voltages up to 140V. It has a wide supply current range of 5mA to 1A and a high output current capability of up to +2A. The output voltage is accurately regulated and temperature stabled at band-gap reference voltage temperature coefficient of less than 0.1ppm/ºC.In addition to its high accuracy and temperature stability, the LT1009CMS8#PBF is suitable for operation over wide temperature ranges including below -75°C to above +150°C. It is also immune to transients, protects against reverse voltages and ESD, with an on-chip thermal protection to prevent output voltage overload. The chip is available in SOT-223-4 and SOIC-8 packages.This voltage reference works by generating a precise bandgap voltage reference from the on-chip zener diode which is then amplified and regulated by the internal OP Amp. The output voltage is set using an external resistor connected between the output and the reference pin.The precise and stable output of the LT1009CMS8#PBF is made possible by its integrated circuitry which includes an external amplifier, an on-chip jointed and band-gap voltage stabilizer and a temperature-independent reference. This combined with the integration and precise controlling of the output voltage by a single resistor makes it an ideal solution for demanding power management applications.Overall, the LT1009CMS8#PBF voltage references are a great tool for applications that require precise voltage regulation with an excellent accuracy and temperature stability, regardless of the input. This makes it suitable for a wide range of industries and applications. Its compact form, fast response time and robust design add to its reliability and cost-effectiveness.

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